" enahs said: Any charger designed for the specific battery chemistry, and which has a true float mode, is a big improvement over so-called trickle chargers. I've only used them on condemned batteries. If you have a 0. Buy NOCO Genius GENPRO10X4, 4-Bank, 40A (10A/Bank) Smart Marine Battery Charger, 12V Waterproof Onboard Boat Charger, Battery Maintainer and Desulfator for AGM, Lithium (LiFePO4) and Deep-Cycle Batteries:. Subscribe to our newsletter. 50+ bought in past month. It seems stuck at length information is the easy way to give the site links I found only the. I don't see the negative pulse with the traditional desulfator but there is a huge charging pulse width difference between the two circuits, 50 nanoseconds verses 10 microseconds. When I connected the device in a battery, the circuit is working. 30 $ 148. Jul 3, 2021. Most lead acid battery desulfators out there use a flyback design with inductors. 3 out of 5 stars 157 $219. 022 µF. A 12 volt SLA battery can be used for a variety of different applications, with a range in capacity as low as 1 amp to over 200! Our rechargeable batteries are completely sealed and maintenance-free. If you are storing the battery, make sure it is stored in a cool, dry place and charged to at least 12. In case your battery is completely flat, to run this circuit, you'll need to connect a little 12 Volt power. The chemicals in Battery De-Sulfater are safe for all new and used lead acid batteries. Lead oxide reacts with the sulfur and oxygen in the acid to give up an electron, leaving the plate positively charged. In other words, removing hardened lead sulfate from the battery plates. $37. A week ago I put two batteries on my two new Battery Desulfators from China. When one replaces the electrolyte. AUIRF1404Z is rotated to match the pins. 4. LST 12V Battery Trickle Charger And Maintainer. Free shipping and free returns. Designed for use with 6- or 12-volt lead-acid batteries, maintenance-free batteries, AGM, gel, and lithium-ion batteries. Different ways to desulfate lead-acid batteriesCheck the vehicle battery water level and top up with distilled water only. Maintain up to 2 batteries at a. You may. This seems to be a circuit that has been widely used and with. BatteryMINDer. PulseTech, a company that produces desulfators, recently said, “After 20+ years, there is no doubt that our products will eliminate your battery problems and will make your batteries perform better. . 99. Using our patented Pulse Technology, it gently desulfates batteries and breaks down sulfation crystals back into the battery’s solution. No voltage limitation, 30V limitation for vendor certified desulfating therapy, Lower restriction for charging standard lead-acid batteries at 14. When a battery is discharged some of the lead (Pb) in the lead plate and some of the sulfate (SO4) in the sulphuric acid join together to form lead sulfate (PbSO4). This process should take about 4 hours. battery maintainer, trickle charger, plus battery desulfator. Free shipping. Addicted Member. NOTE> While it took a week or more for the battery's voltage on the Barker Desulfation circuit to measure 16. Sold by Tru Inertia and ships from Amazon Fulfillment. I can see the LED is glowing little and I can hear its switching (magnetic flux developed around L1 and L2) in my AM receiver. DISCUSSIONS. 2V ,Lithium,LiFePO4,Lead-Acid AGM/Gel/SLA. If you want My PlayHouse. Check it Out 2. 12V Lithium, and 12V Repair Mode - for all types of lead-acid and lithium-ion batteries. Share. According to TABLE 8 in the US Battery User Manual, the batteries are fully charged at 12. BACK TO PRODUCTS >>. Set the dimmer about halfway and it will nicely generate the fast spikes that are needed to desulfate a battery. DISCUSSIONS. This video prov. For my 33Ah battery that means 33ma trickle current. Let’s explore some of these effective techniques: 1. Buy It Now. A lightly sufated battery can be "Desulfated" in a matter of hours using a 1-4 pound per day pulser. 2. In this article, you’ll learn the most common. I test a battery desulfator on 2 batteries. LIVE ORDER & TECH LINES: 7:30 AM TO 4:00 PM PACIFIC TIME M – F NO SALES TAX Toll Free Order Line Only: (877) 405-0978 Monday – Friday Tech & Order Line: (541) 582-4629 Monday – Friday ORDER ONLINE ANYTIME Email Tech Questions: info@chargingchargers. 0A), C4=10,000uF 35V, and they all run cool is this normal?, Thanks for the help. 4. Most desulfators will continue to pulse when your battery is in a low state. You can rejuvenate a worn out lead acid battery by removing sulfate build ups with multiple methods. Here is the 12 volt desulfator that I have built using the circuit schematic below. For discussion lets assume a pulse rate of 1000 Hz and a pulse width of 50 microsecs. This device does it by using voltage to generate pulses with high-frequencies to zap sulfate buildups within the battery, attached on its plates. Wehmeyer says aspirin is acetylsalicylic acid, which eventually breaks down into acetic acid. Desulfator-Conditioner Rev. The Battery Life Saver is an electronic device that provides "new life" to “dead or dying” lead-acid batteries. Gently shake the battery to ensure that the Epsom salt is well distributed. MESSAGES. A direct correlation. Battery Charger, PortableMaintainer/deep Cycle Charger and Desulfator LiTime 12V 20A Lithium Battery Charger, 14. You can rejuvenate a worn out lead acid battery by removing sulfate build ups with multiple methods. Ok. Different aging mechanisms dominated the capacity loss in different cells within a dead 12 V VRLA battery. 6 out of 5 stars 594. It desulfates lead acid batteries as well. Hi Raymond, Apparently, the recondition mode on the charger did recover the batteries somewhat. 95. The batteries treated with Thermoil lasted on average 13 and one half years. S. User-Selectable Settings for All Sealed / Wet (filler cap) /Maintenance-Free / AGM / Deep Cycle / RV / Marine / PLT and Odyssey brand Lead-Acid** based Batteries. It can take months for the desulfator to get the job done. Lead Acid Battery Desulfation > All > Pulse Charging and Desulfation > Simple Direct Drive Desulfator PCB thread . These crystals cause batteries to become unusable at approximately one-third of their natural life. 0 536 ratings | 77 answered questions 100+ bought in past month -14% $1899 List Price: $21. Lead Acid Battery Desulfator 12V 24V 36V 48V Battery Regenerator 2A Auto Pulse. 20 posts 1; 2; Next; Thermistor schematic Thermistor schematic . Registered User. Below is the basic circuit of the output stage of the kick back desulfator. This is the same structure as a capacitor so view a battery as 6 equal sized capacitors in series. ”This item: Shell SBC400 4 Amp 6V and 12V Fully Automatic Smart Charger and Maintainer, trickle Charger, Battery Desulfator, for Lead Acid, Gel, AGM, Li-on, 7 Levels of Protection and 11-Stage Charging . 0033 Ohm. Recovers weak or deeply discharged batteries: including but not limited to flooded filler cap, maintenance-free, valve regulated lead-acid (VRLA), sealed lead-acid (SLA), starter, deep cycle and hybrid. Rating: 100 % of 100. 005 ohm load. does deep cycle battery need anything more? i thought 13. Simplest Charger/desulfator Ever: This charger can charge almost any battery type at any voltage. Push-button Selection for ALL battery types and charge rates. 15*2. for the terminals, I used two big copper wires, to minimize the resistance. The 24-Volt PowerPulse is designed to ensure maximum battery performance on 24-volt lead-acid battery systems. 0A, connect across battery. Test the water using a hydrometer. The chemicals in Battery De-Sulfater are safe for all new and used lead acid batteries. Patented Pulse-type Desulfation keeps Lead Acid battery free of sulfate or dissolves sulfate completely in older batteries. Free returns Within 90 days. The build up then drops into the battery acid and dissolves. 2w FREQUENCY RANGE 1. 1; 5: 1; 5: 3; 7; Free returns. 48 Volt PowerPulse PP-48-L Lead-Acid Battery Desulfator. BatteryMINDer 128CEC1-AA-S5: 12 Volt-8 Amp Concorde Aviation Battery Charger, Battery Maintainer, and Battery Desulfator; 10 3. Detects and. The GENIUS1 is a 6-volt and 12-volt battery charger, battery maintainer, and battery desulfator rated at 1-amp for lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries. From $22. Battery desulfators operate with a frequency based pulse method that's literally the most effective method available for ensuring lead-acid battery performance, increasing battery efficiency and reducing battery-related costs. PART NUMBER: 2012-AGM. To start with, take a look at this short note on lead acid battery chemistry and the sulfation process. Highlights Real-time aging diagnostic tools were developed for lead-acid batteries using cell voltage and pressure sensing. TecMate TM-341DUAL OptiMate. $188. 0009 Volt DC filter down to 0. Recovers weak or deeply discharged batteries: including but not limited to flooded filler cap, maintenance-free, valve regulated lead-acid (VRLA), sealed lead-acid (SLA), starter, deep cycle and hybrid. or Best Offer. $136. It works incredibly well for AGM and flooded batteries and is incredibly easy to use. HULKMAN Sigma 10 Amp Fast Car Battery Charger and Maintainer for 6V and 12V Battery with LED Screen Trickle Charger and Desulfator for Lead-Acid and Lithium-ion Battery for Car Truck and More $129. This is an exce. Now, attach the desulfator to the power supply, or use the charger to start charging as well as the desulfation process. After this process, the sulfur falls into the battery acid, where it dissolves. On switched ranges less than 30 amps, the average charging power is even less. These salts may reduce the internal resistance to give a sulfated battery a few extra months of life. All. Availability: BatteryMINDer® 12106 is a 2 stage Charger-Maintainer-Desufator that extends performance and life of 6 Volt lead acid batteries including flooded (filler cap, maintenance-free, valve regulated lead-acid [VRLA], sealed lead-acid [SLA]), starter, deep cycle and hybrid. Beleeb C40 Adjustable Battery Charger 12V 24V 36V 48V 60V 72V, Pulses of High-Voltage Battery Desulfator Maintainer with Smart Chip for Lead-Acid LiFePO4 Lithium Batteries 4. 15V one day after removing it from the charger. LST 12V Battery Trickle is a smart automotive battery charger, maintainer, and desulfator. Rejuvenation can last for years, but is not infinitely repeatable. TecMate TM-341DUAL OptiMate 4DUAL 1 Amp. EDTA removes the lead sulfate from use, so is not desirable. BatteryMINDer OBD-24 On Board Desulfator 24 Volt. In this work, the effect of inverse charge on the reactivation of sulfated active materials has been investigated. If the battery is too badly sulfated and will not take a charge you will need a battery desulfator like I mentioned in the link above. battery desulfator 12v. It is not supposed to make the lead sulfate sink to the bottom. The off time is then at least 900uS. BatteryMINDer 128CEC1: 12 Volt-2/4/8 AMP Battery Charger, Battery Maintainer, and Battery Desulfator; 9 2. 01 (3 new offers)Best Budget battery desulfator Deals Online. 99. Its not a humongous amount of charging power for a really large battery. Andy Shiekh. Add the chemicals for treatment (optional). "Description of "Direct Drive High Power Desulfator". 6 volt lead-acid battery will have an internal resistance of about 0. Rejuvenation can last for years, but is not infinitely repeatable. FREE delivery Wed, Nov 22 on $35 of items shipped by Amazon. Excellent for use on auto batteries, golf cart batteries such as the Trojan, motorcycles, lawn equipment, heavy machinery and more . Charge or repair all 6V and 12V lead-acid automotive, marine, and deep-cycle batteries, including Pb, GEL, SLA, VRLA, and AGM lead-acid batteries. In Stock. ADD TO CART. 66V/cell (15 and 16V on a 12V mono block) for about 24 hours. View on Amazon. 75-Amp Car Battery Charger, 6V and 12V Smart Fully Automatic Battery Charger Maintainer, Trickle Charger, Battery Desulfator for Car, Lawn Mower, Motorcycle, Boat, Marine Lead Acid Batteries 4. One electrode in a battery turns into pure lead with a ligh grey surface. Typical: $27. A lead acid battery can produce a short circuit current high enough to weld a ring or the like to metal, causing a severe burn. It is not undercharged. Battery Charger, for EZGO TXT,Car,. At first, the battery is deeply discharged and the electrolyte of battery is replaced with a new sulfuric acid solution of 1. A fully charged 12. $84. Lead acid battery desulfators (pulsers) recover old batteries and extend the life of new ones. Share. 3. Rating: 1 Review. DISCUSSIONS. FORUMS. Most battery chargers tend to be too complicated or expensive, but this is the exact opposite. with all the lead-acid battery types is sulfation [5. This advanced desulfation technique dissolves the crystalized sulfation and turns it back into active materials again. Battery damage does not occur during this process. 99 In Stock. This is beyond the capability of a voltage doubler. Discover numerous 12 volt sealed lead acid batteries at Battery Mart. 2. 【All in One】- It's the all-in-one solution battery charger, battery maintainer, trickle charger, and battery desulfator. USA Seller - Heavy Duty all Metal Battery Desulfator 12V - 72v. When the battery discharges, some of the lead from the plates combines with the electrolyte to make lead sulfate (PbSO 4) which builds up on the surface of the plates as crystals (as electrons leave the battery as electricity). . 3. Customer Rating: 4. 6V LiFePO4 Battery Charger AC-DC Smart Charger for Lithium LiFePO4. The second step is a settling period of 1 second. 84. Guaranteed to never overcharge. Or fastest delivery Tue, Nov 21 . 37 v. A controlled-pressure charging. Connect the BatteryMINDer to the battery. E-power store. 6V 12V Car Battery Charger Lead Acid Battery Charger for All AGM,Gel,VRLA Batteries with Safety Approval CE CUL (12V) 3. $129. I don't think a desulfater is going to work on an AGM battery. 97. Pulsing Disply Lead Acid Auto Battery Desulfator Conditioner Regenerator 12 24 36 48 Volt Combined . Figure 2-1: 12 volts battery desulfator Note: In the battery desulfator design, the value for C2 should have been 0. It. 85 $ 25 . Lao . 6 MHz is. Product. - The 40volts DC from above is feed to a capacitor bank through a. For lead-acid batteries, the typical double-layer capacity of the positive electrode lies in the range of 7–70 F(Ah) −1, while the negative electrode has a typical double-layer capacity of 0. 047 µF Disk ceramic 0. 12V Battery Trickle Charger. Charge battery to its maximum level. PIC12F629 Lead-Acid Battery Desulfator By michaelsanjay in Circuits Electronics 49,185 52 26 Download Hi everyone, After reading so many articles on Battery desulfator i've decided to come out with my version of Battery desulfator using Microchip base micro. Usually the voltage reads somewhere over 13v once the battery has settled, one though would only read 12. lead acid battery desulfator" 44 Results; Price - OK. A fully charged 12. 82 U1 LM555CN Timer IC 0. When a lead acid battery discharges, acid is absorbed into the lead plates which is returned to the electrolyte through recharging. Note: Do not expect to completely dissolve sulfate in a day. Storage Battery Systems . Discharge of the battery (allowing electrons. Get it Monday, 20 November - Thursday, 23 November. 100+ bought in past month. Battery rejuventation or desulfation by means of pulsing was invented by Carl Edward Gali, (1928-2009), (retired microchip designer, Texas Instruments), US Patent 5,063,341, filed Oct 16, 1990, issued Nov 5, 1991. Reduces battery failure. If you are looking for a smart and versatile car battery charger, you should check out the TowerTop Automotive Battery Charger and Maintainer. A desulfator or battery reconditioner is defined as a device that restores the capacity of a lead-acid battery. Here is a quick video that will show you what the lead plates look like in a typical sulfated lead acid battery and in a desulfated battery. 40This item: THBM 3. Conduct a load test. Identify the bad cells :-. Not only did the treated forklift batteries last longer than the non-treated ones but during this 13 and one half years the treated batteries only needed water every 3 months, never had any corrosion, never needed to be pressured washed or needed acid adjustments and never needed cables. 42 U2** 79L12 12 V regulator 0. 047uf 400v, . $24. The lid hole will allow you to observe the LED, while the desulfator is used. 2023/10/26 Battery Industry,Battery News. Battery Life Savers BLS-36/48 Multi F BATBLS-3648-M-F Battery Life Savers BLS-36/48 Multi F for 36/48V Industrial. 100+ bought in past month. Now, add Epsom salt to the hot water and stir it until it has dissolved into a solution. ac. When using Epsom salt, follow these easy steps to treat most starter batteries. 4-2. generated with a current draw of 30 mA. 5 offers from $20. Brand New. We provide premium chargers and. This lead sulfate creates a finely divided amorphous state and easily changed to lead, lead dioxide, and sulfuric acid during recharging. 5. Golf Cart Orange 2A Battery Desulfator Desulphator 12 24 36 48 Volt Batteries Auto Pulse. 75-Amp Car Battery Charger, 6V and 12V Smart Fully Automatic Battery Charger Maintainer, Trickle Charger, Battery Desulfator for Car, Lawn Mower, Motorcycle, Boat, Marine Lead Acid Batteries 4. E-101107 P/N VDC24041AA-S1-MNL VDC Electronics, Inc. #1. The Xtreme Charge Desulfator Battery Charger is a minimal gadget that assesses, tests and charges 12 volt lead corrosive batteries that’s why we included it in the list of the best battery desulfator. This unit is ideal for virtually any kind of high-voltage vehicle or equipment that is charged on a regular basis, including over-the. 2. fatadi-34 (90) 95%. Videos for this product. A 12 volt desulfator will work fine on two 6 volt batteries in series. For all large lead acid batteries/packs from 12 to 120 volts up to 3,000 Ah. This is an exce. The idea behind the desulfator is that it breaks apart the lead sulfate, allowing the lead to be re-deposited on the plates. 1 out of 5 stars 78. 95. This is an explanation of the dc-dc converter I use to float charge my desulfator circuit connected to a lead acid battery. using a traditional transformer. Attached are pictures of the reversible spongy form of lead-sulfate, and irreversible crystalline form. Qty. Odyssey, Polaris, Yuasa & Other High Performance Specialty 12 Volt Sealed AGM Lead-Acid Batteries . com FREE DELIVERY possible on eligible purchasesA low-voltage auto-shutoff work assists with thwarting energy waste. Sold by Auzhan and ships from Amazon Fulfillment. When I connected the device in a battery, the circuit is working. Post Apr 08, 2014 #563 2014-04. Introducing the Battery Rejuvenator 12-72 600, the ultimate solution for maintaining and reviving lead-acid batteries. . Apple Valley, California. The unit is ideal for virtually any kind of vehicle or equipment with a 12-Volt. The lead acid battery desulfator of claim 7, wherein said high frequency electrical pulses which are fed back to said lead acid battery increase in frequency as said battery DC voltage of said lead acid battery decreases. PP-12-L Desulfator. Most batteries are discarded prematurely, due to sulfation rather than having reached their cycle limit. If recharging does not occur properly, the lead sulfate will harden onto the plates forming a crust—known as sulfation—which prevents the acid from returning to the electrolyte during a charge. How long does it take Desulfate a battery?Lead Acid Battery Health Tester: Power Electronics: 5: Jul 27, 2022: Metering Lead Acid Battery Voltage: Power Electronics: 6: May 23, 2022: Is this lead acid battery bad? Or am I bringing it back to life? General Electronics Chat: 12: Dec 1, 2021: Converting a TIG Welder into a Lead Acid Battery Array Charging System (100 A+). A hi int resistance may consume the SAME avg amps BUT the pulse is wider and looks more like a square wave with low amplitude. Lower restriction for charging standard lead-acid batteries at 14. $29. 99. I have put up a Web page that will give more details to help you build and use the desulfator circuit. $22. 2 . Increasing the battery temperature to 50–60°C (122–140°F) during the corrective service further helps in dissolving the crystals. The trickle current should only be 1/500 to 1/1000 of the amp hour rating of the battery. Hence, desulfation circuit or charge controller is placed along with the rechargeable lead-acid battery for proper charging and subsequently sulfating gets reduced. Decades ago when "everyone knew how to deslfate a battery" the lead cells were a lot thicker. 99. The NOCO Genius1 ($40) is a great, all-in-one solution at an affordable price. Re: Desulfate & regenerate lead acid batts: a new DIY guide. 1. 1. Making lead acid batteries last longer is a good thing in this world of diminishing energy. Newbie9. 0022 µF, not 0. 0000 help?Lead Acid Battery Desulfator 12V 24V 36V 48V Battery Regenerator 2A Auto Pulse Desulfator. Jul 27, 2017. This paper presents a method of sulfate reduction of lead-acid batteries using high-frequency pulses. net, lead acid battery desulfator (Home Power #77 June/July 2000)] This page was last edited on 20 November 2023, at 03:34 (UTC). Brand New. 99 $ 29. In the end now it seems to take about 48hrs give or take to desulfate the average sulfated battery that others have thrown away. Also a. 2KHz and 6% duty cycle. $148. FREE delivery Sat,. )$1133 Get Fast, Free Shipping with Amazon Prime FREE Returns Bring life to sulfated lead acid battery charger. What Is Battery Desulfator. 99 Get Fast, Free Shipping with Amazon Prime FREE Returns Coupon: Apply 5% coupon Shop items | Terms When your car’s alternator recharges the battery the process works in reverse, and the lead sulfate is reconverted into lead and sulfuric acid through a process called gassing (in which. balls. Re: lead acid batteries , desulfation circuits. Field of the InventionThis item: BatteryMINDer 2012-AGM - AGM Batteries Only - 12 Volt-2 Amp Battery Charger, Battery Maintainer, and Battery Desulfator for Odyssey, Optima * AGM Lead-Acid Batteries $105. Shop our unbeatable inventory of Desulfators. 0 out of 5 stars 3 ratings. 12 Volt Desulfation & Battery Restoration. $49. 1 . HTRC 35-Amp Smart Charger, Car Battery Charger,Trickle Charger, 12V35A/24V18A,14. 99. Joined Nov 13, 2015. A lead-acid battery consists of two lead plates immersed in an electrolyte solution of sulfuric acid. 48 Volt PowerPulse PP-48-L Lead-Acid Battery Desulfator. It works by charging your car battery and ensuring the voltage is at least 12. 9 3. Battery Desulfator - SgtWookie's version of Alastair Couper design: Power Electronics: 11: Oct 18, 2018: Well-known 555 desulfator : correct duty cycle: Digital Design: 25: Jul 27, 2017: 12 Volt Lead Acid Battery Desulfator - New: Power Electronics: 7: Jan 1, 2016: R: Desulfator mod for single cell 2V: General Electronics Chat: 32: May 27, 2015: JGood new my first battery is in good enough shape to stat a car now. Connect your desulfation charger to the battery and select the recon or repair mode. A kick back desulfator puts out between 5 and 10 amps, (often less). Sponsored. It occurs when the battery is not fully charged, and lead sulfate crystals build up on the battery plates. The final step to make your own desulfator of battery lead is welding wire of lead in place. 5 you are charging the crap out of the battery, not pulsing it. Currently sold as the product version are also available. E-FAST Car Battery Chargers /6A Full Automatic Battery Chargers Maintainer 3-Stage Portable Trickle Chargers Battery Desulfator for Car Motorcycle Batteries. 4. occurring, there are uncountable Lead-Acid Battery Desulfator Parts List. I'm seeking ideas for making a pulsing lead-acid desulfation circuit design. Add to Cart . And for a lithium-ion battery, it can take up to a week for the desulfator to start working. If powered by 120vac it can get up. 6. Buy a new BLS 48B desulfator to restore and rejuvenate old tired out lead acid batteries that are suffering from sulfation. US $ 4. at> wrote (in < 402a180b 0 0 16036 $3b214f66@tunews. A desulfator causes the built-up sulfate crystals in the lead-acid battery to fragmentize. Firstly, we need to take approximately 200-250 grams of Epsom salts. The first step is to pulse the battery for 15 seconds using a Charged-Induced-Pulse described by desufonator2. Third, there is a new kind of battery charger/desulfator on the horizon that will vastly improve the life and performance of lead acid batteries. Battery Power Type: Sealed Lead Acid: Battery Size: 12-volt: Cell Type: Specialty: Discharge Cycle: Deep Cycle: Features: No-Leak Guarantee, Rechargeable: Number in Package: 1: Returnable: 90-Day: Safety & Security Product Type: Battery: SLA Type:. 8 out of 5 stars 111YONHAN Car Battery Charger 12V 6A Smart Battery Trickle Charger Automotive with LED Color Display, 12V Battery Maintainer Desulfator for Car, Truck, Motorcycle, Lawn Mower & Marine Lead Acid Batterie. $10. com Fresh, New Stock. 4. . Lead Acid Battery Desulfator 12V 24V 36V 48V Battery Regenerator 2A Auto Pulse Desulfator. During this process, current passes through the sulfate buildup. The proposed method not only has very lower pollution level than the conventional recovering of a ULAB into its. NOTIFICATIONS. Firstly, we need to take approximately 200-250 grams of Epsom salts. It is a method where the device generates pulses with high-frequency and use them to zap the sulfate buildups on the battery plates. $265. One of the major disadvantages of lead-acid batteries is sulfation, which decreases batteries' efficiency. 147 D Woodbury Rd. Eliot. There are patents on the use of high-frequency pulse desulfators to desulfate lead-acid batteries. My roomba battery, which I purchased used, could only hold a charge for a few minutes. This sulfation will gradually build and limit the battery's ability to charge, store, and release energy. That involves strong FET driving (direct 555 output aint enough), and the shortest and thickest possible wires from desulfator to battery terminal. This is called sulfation. Then the circuit will generate. You can pick up cheap desulfators for probably $20+ online or an auto parts store. In other words Q1 is off for 1000 microseconds and on for 50 microseconds. Description. The cells will absorb water slowly as you work. The desulfator activates whenever an alternator supplies charge to the battery then deactivates itself upon expiration of a set time or is reset upon starting of the motor. I can see the LED is glowing little and I can hear its switching (magnetic flux developed around L1 and L2) in my AM receiver. Keeping the lead battery unused reduce its lifetime. 5V. My Dynasty UPS12-310 high output battery is spec'd at 0. Return this item for free. Add to Cart . 50 KHz. As an experiment, I made a lead acid battery desulfator. Text is available under the Creative Commons.