UniqueHeart Durable 18650 4000 mAh 3,7 V Original Lithium-Ionen-Akku Für Taschenlampe Lange Dienstzeit Batterie

Features:
Made of good quality material, safe to use.
18650 rechargeable li-ion lithium battery.
Suitable for laser pointer, flashlight torch and other electronics products.
Safe and environmental friendly.
Long using time up to 500 times.

Descriptions:
High energy density, and have an extra long life for all your battery powered devices.
Provides excellent continuous power source solutions to your devices.

Specifications:
Size: 66mm x 18mm (Diameter).
Model: 18650.
Capacity: 4000mAh.
Voltage: 3.7V

Packet content:
1 x 18650 4000mAh Rechargeable Li-ion Battery

Note:
According to different conditions, Battery capacity can be divided into actual capacity, theoretical capacity, also called rated capacity.
Battery capacity refers to the battery storage capacity.
The unit is "mAh", 1Ah = 1000mAh, so there are some differences between rated capacity and actual capacity in Li-ion Battery.
It is normal and reasonable.