Hair clippers are probably a good example of something where you’d want to replace the batteries and not just remove them.
Lithium ion batteries are typically rated to discharge at 2-4 times their capacity. So a 2.5Ah cell is rated for 20 amps, but if you run into something tough it will easily deliver far more amps than that.
Those cells look like they’re wired in series so they’d want 8V at potentially 20+ amps which is not a small amount of power to run some wires to.
Without prior experience I would not mess with anything with a lithium ion cell.
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Hair clippers are probably a good example of something where you’d want to replace the batteries and not just remove them.
Lithium ion batteries are typically rated to discharge at 2-4 times their capacity. So a 2.5Ah cell is rated for 20 amps, but if you run into something tough it will easily deliver far more amps than that.
Those cells look like they’re wired in series so they’d want 8V at potentially 20+ amps which is not a small amount of power to run some wires to.
Without prior experience I would not mess with anything with a lithium ion cell.