The 24v lithium ion battery from Greenworks has an LED indicator to show the remaining battery power. High performing, these batteries charge fast & boast reliable charging without loss of memory or power. Fully charged in 45 minutes & 80% charged in just 25 minutes. Compatible with all cordless tools in the Greenworks 24v range. Specification:24V Lithium-ion Rechargeable Battery Fade-free power Quick Charge time of 60 minutes for 100% & 80% only 25 minutes Compatible across the Greenworks 24v cordless tool range Built-in LED Indicators to show charge level Weight: 0.53kg Warranty: 2 years