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 maintenance needed for almost a year. Incredibly fast recharge rate
No pollution: safe for the environment. Does not contain any acid and heavy metals such as lead, cadmium, or mercury
No hassle returns, if you haven't damaged the item you can return it for any reason