26650 lithium battery parameters: Brand Name: Haixnfire Type: 26650 lithium battery (tip) Nominal capacity: 5000mah (4950-5000mah) Nominal voltage: 3.7V Full voltage: 4.2V Cut-off discharge voltage: 2.75 V Maximum discharge current: 5C Weight: 98g±1g Rechargeable battery: yes Product advantages: Small size, light weight, large capacity, environmental protection, no memory effect. It is the first choice for portable electronic equipment power supplies. A lithium battery is equal to 2000 dry batteries.