Replace lead-acid battery with Lithium
Can we replace the lead-acid battery in the Omni rechargeable light with a lithium-ion 18650 or lithium-polymer battery?
Although the existing lead-acid battery is charged to a similar voltage as lithium batteries, we cannot simply swap the battery and hope for the best.
We need to use a special charge board which is designed for charging lithium batteries. For example one which uses the TP4056 chip.
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