KIMO 20V Max 2.0Ah Lithium-Ion Long Life Battery is compatible for all KIMO 20V power tools such as KIMO Cordless Leaf Blower, Cordless Drill Driver, Brushless Cordless Impact Driver and so on. KIMO 20V rechargeable battery supports quick charging which means it needs only about 1.5h to a full charge. For the sake of electricity safety, KIMO 20V long-life battery has over-charging/over-loading/over-heating protection which also extends the corresponding tools' using life. The LED Indicator on the Battery enables users to know the charging status/the remaining charging. The amount of blinking LED lights indicate the level of charge remaining in the battery pack while working. And they blink in sequence while charging, after being fully charged, they will be completely off. And the small size and light weight make it portable to bring within outdoor working. KIMO has been working with industrial experts for decades and have optimized its batteries to be one of the most durable ones, guaranteeing 1000 charge cycle for each piece of KIMO battery.