How long does it take to fully charge the Monimoto 9 battery and how often do I have to charge it?

A full charge of Monimoto battery takes about 1.5 Hours. (at room temperature), at temperatures less than +15C the charging current is limited to minimum to increase battery life expectancy - it would take up to 6 hours.

Depending on usage the Monimoto 9 battery can last up to 12 months on a single charge.