Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month
Good price for a LiIon cell with protection circuit.
I accidentaly tried the short circuit protection by measuring current instead of voltage over the cell, so i know that works...
The protection circuit and wiring makes the cell slightly longer and wider than an actual 18650.
I charge these using a purpouse built charger chip so the over-voltage protection never comes to play, and my flashlight for this battery is a direct drive so i never go under minimum voltage either, so those features remain untested.
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