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Please specify the battery type in your question. Include chemistry (e.g. lead-acid, Li-ion), voltage, capacity (in A·h or W·h), number of cells and how they are connected (series or parallel) .

1 vote

How do I boost charge a dead 3.7 V Li-ion battery?

Try do a couple of charge / discharge cycles. First charge up to 4.1 V then use a power led or a power resistor like 10 ohms for discharge until the battery reaches 1.2 volts. Then do the same thing m …
Grounditzelf's user avatar