PANASONIC NCR18650B 3400MAH 4.9A BATTERY – PROTECTED BUTTON TOP
*Please NOTE these button top protected batteries are 4-6mm longer than a standard 18650 cell. (flat top, unprotected). The button top protected battery is commonly required for flashlights, doorbells and other devices.
Please note this is a PROTECTED (PCB) 18650 Panasonic Battery. The PCB is a safety feature and acts as a fuse to protect the cell from short circuiting, overcharge, and undercharge. Please note once the PCB is tripped it cannot be reset and this will stop the battery from functioning.
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