![How to Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore « Hacks, Mods & Circuitry :: Gadget Hacks How to Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore « Hacks, Mods & Circuitry :: Gadget Hacks](https://i.ytimg.com/vi/JrG5uBQEe2M/maxresdefault.jpg)
How to Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore « Hacks, Mods & Circuitry :: Gadget Hacks
![Trying to revive this old completely discharged phone battery. I tried charging each cell individually using a universal Li-Ion charger that automatically determines polarity. Now, one cell is at 550mV, the other Trying to revive this old completely discharged phone battery. I tried charging each cell individually using a universal Li-Ion charger that automatically determines polarity. Now, one cell is at 550mV, the other](https://preview.redd.it/trying-to-revive-this-old-completely-discharged-phone-v0-s5b5q1yn6vy91.jpg?auto=webp&s=d0a25c4af020bb2dfd08bcad6419f4ec13486fbe)
Trying to revive this old completely discharged phone battery. I tried charging each cell individually using a universal Li-Ion charger that automatically determines polarity. Now, one cell is at 550mV, the other
![How to Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore « Hacks, Mods & Circuitry :: Gadget Hacks How to Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore « Hacks, Mods & Circuitry :: Gadget Hacks](https://img.gadgethacks.com/img/36/72/63505937271268/0/fix-dead-lithium-ion-batteries-wont-hold-charge-anymore.w1456.jpg)
How to Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore « Hacks, Mods & Circuitry :: Gadget Hacks
![How to fix a dead battery? The ultimate FAQ guide to dead battery The Best lithium ion battery suppliers | lithium ion battery Manufacturers - TYCORUN ENERGY How to fix a dead battery? The ultimate FAQ guide to dead battery The Best lithium ion battery suppliers | lithium ion battery Manufacturers - TYCORUN ENERGY](https://www.takomabattery.com/wp-content/uploads/2022/02/The-ultimate-FAQ-guide-to-dead-battery.jpg)