Restore a 40v Li battery that holds charge but won't recharge?

Restore a 40v Li battery that holds charge but won't recharge?

I have a 40v, 2 AH, Type 4 Black and Decker lithium battery for a trimmer that is capable of holding a charge but when placed in a charger produces a flashing error signal. I have another of the same battery that charges ok, so the problem isn’t the charger. Also, the flaky battery will run

Restore a 40v Li battery that holds charge but won't recharge?

Ryobi 36v or 40v Battery NOT Charging - Easy Fix!!! - 1294

Restore a 40v Li battery that holds charge but won't recharge?

40V MAX* 4Ah Battery

Restore a 40v Li battery that holds charge but won't recharge?

Restore a 40v Li battery that holds charge but won't recharge

BLACK+DECKER battery is compatible with multiple 36V and 40V MAX* outdoor tools for versatile charging Lightweight design lets you work in comfort

Restore a 40v Li battery that holds charge but won't recharge?

BULL-TECH 40 Volt MAX 2.0Ah Lithium Black and Decker 40V Battery,Compatible with All Power 40V Black and Decker Power+ Tools

Restore a 40v Li battery that holds charge but won't recharge?

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Restore a 40v Li battery that holds charge but won't recharge?

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Restore a 40v Li battery that holds charge but won't recharge?

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Restore a 40v Li battery that holds charge but won't recharge?

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Restore a 40v Li battery that holds charge but won't recharge?

The science behind lithium battery not charging and how to solve

Restore a 40v Li battery that holds charge but won't recharge?

Tool battery adapter for Greenworks 40V Li-ion battery, 29482, C