NL2150 21700 Battery 3.7V 5000mAh + F21i Fast Charging Power System test collection 5mm BB Weight: 260 g Kleur:Everglade 5mm BB Weight: 260 g Shipping weight: 270 g All main seams are triple stitched for extra durability 7 Volt (1 Cell) Charging current (max 5 Wh Weight: 80 g Shipping weight: 150 g Information from producer (extern)