Advantages of Lithium Ion Batteries:
Less volume and weight: 1/3 of normal lead-acid battery
Exceptional cycle life: more than 2000 cycles under JISD standard (lead-acid battery 150-300 cycles).
No pollution: safe for the environment. Does not contain any acid and heavy metals such as lead, cadmium, or mercury
Incredibly fast recharge rate
Dimensions: (L) 4.05 x (W) 2.67 x (H) 3.30 inches
Battery weight: 1 lbs