Panasonic NCR18650B 3350mAh 4.87A Battery - Protected Button Top
Vapcell Original 16340 850mah 3a T8 Charging 3.7v Li Ion Battery Rechargeable Button Top Batteries For Flashlight Power Tools - Rechargeable Batteries - AliExpress
Epoch 18650 3500mAh 10A - Protected Button Top Battery
Best 18650 Button Top Battery | Rechargeable 18650 Flashlight Batteries