Pretty much every vaper owns a few of them. Yet they’re often taken for granted, with little thought given to their condition or how they’re handled. In this post, we’ll cover what you need to know about e-cigarette batteries. Vape on, vape safe!

A Battery for 20700 battery packs (Do not use in 18650 Mods).
ATTENTION: The batteries should be transported outside the battery carrier only in protected sleeves, otherwise the battery can degas in case of a short circuit (If e.g. loose with key ring in the trouser pocket). We offer suitable sleeves in the category "Battery sleeves".
A Battery for 20700 battery packs (Do not use in 18650 Mods).
Scope of delivery:
1x Efest 20700 IMR Flat Top Battery
Specifications
Model: IMR 20700 V1
Nominal capacity: 3000 mAh
Nominal voltage: 3.7 V
Voltage at the end of discharge: 2.5 V
Max. Charge current: 4 A
Standard charging current: 2 A
Max. Output current: 30A
Max. Temp. during charging: 0 C - 45 C
Max. Temp when discharging: -20 C - 75 C
Internal resistance: 20mΩ
Size 20 (±0.2) mm x 70 (±0.2) mm













