(1) Environment Friendliness

Zero emission ;Low noise;Free of heavy metals;No corrosion ;No acid mist volatilization .

(2) Maintenance Free

Unnecessary of fluid adding and dust proofing;Daily maintenance free ;Manual maintenance free .

(3) Long Service Life

Over 75% capacity reserved after 4000 shifts operation ;Longer service life than lean-acid battery in equal working condition ;5 years or ten thousand hours quality guarantee for high performance.

(4) High Efficiency and Energy Saving

2 hours charging meet 6-8 hours working demand ;High-energy density, self discharging rate lower than 1% per month, ;95% energy conversion rate,superior charging and discharging performance ;Flexible to charge，easy to operate，no impact on battery life;Unnecessary to change battery，cost saving.

(5) Suitable for working in both high and low environment

Lithium battery is better than lead-acid battery when working between -25℃and 55℃.