1. Cylindrical steel shell with PTC inside, more secure and reliable.
2. Stable discharge voltage;
3. High energy density, small self-discharge rate, monthly self-discharge rate less than 3%;
4. Long cycle life;
5. Safety use. Under the abuse condition, the battery is damaged internally or externally under abuse condition, and the battery does not burn or explode.
6. Excellent high temperature performance, work wide range of working temperature (20 ℃ ~ + 60 ℃).
7. No memory effect. The battery can be charged at any time without having to discharging before charging;
8. Green and environment protection, free from any heavy metals and rare metals, non-toxic and non-polluting, in accordance with European ROHS regulations, and absolutely green and environment-protection