A good quality Vapcell 20700 flat top battery. NOTE: This is.
18650 Battery Charger with 4 Pack Ni-MH 3.7V 3500mAh Flat Top Rechargeable Battery, 4 Bay LCD Display Smart Universal USB Dual Battery Chargers for 18650 18500 21700 26650 14500 16340 Batteries, Boxed
26650 Li-Ion Flat Top Rechargeable Battery - 3.7V
LiitoKala 18500 Lii-14A Li-Ion Flat Top Rechargeable Battery - 3.7V 1400mAh
2pcs LiitoKala 26650 Lii-50A Li-Ion Flat Top Rechargeable Battery - 3.7V
14500 LiFePO4 3.2V 600mAh Flat top rechargeable battery. PKCELL.
Vapcell 4200mAh INR 21700 Battery, Powerful Battery, Max Continuous Discharge Current 30A, Flat Top, E-Cigarettes, For Vaping Devices, Green, 2ML Cartridge, No Nicotine
