(1) Environmental friendly
(2) High density of energy
(3) Light weight
(4) Low self-discharge
(5) Low internal resistance
(6) Long cycle life, chargeable up to 500 or 1000 times
(7) No memory effect
(8) Doesn’t contain Mercury, No fire, No explosion, No leakage
(9) Very good and quick charge, capability can be charged to 90% within 10 min.