Maintenance-free: no need to add water, to be used very convenience, applicable for various of places;
Compact design: smaller size than traditional battery, but with more capacity & longer lifespan;
Low self-discharge: use special formula, mixed alloy & lead plaster, reached low self-discharge efficiency, longer discharge time & better resume capacity.
Environmental-friendly & safe use: there is no cadmium in the formula, which is difficult to recycle & with pollution, battery no leakage;
wide working temperature range: can work in -40~60 degrees centigrade environment.