Button-top 18650 rechargeable batteries are ideal for users who are looking for 1 or 2 batteries to drop into their electronic devices. These 18650 batteries have a Protection circuit board (PCB) built-in to extend the life of the battery and by extension your product. Some customers will find that these batteries are better for their tactical flashlight or portable fans, even when the original battery is a single flat top 18650; due to the built-in PCB, these batteries offer moreday-to-day usage protections. The following button-top 18650 batteries selections are the offered by Tenergy.
