Powilling 2Pack Replacement Battery for Worx 20 Volt Battery Lithium 2.5Ah Wa3520 Wa3525 WG151s

And compatible with Worx original WA3847 quick charger and WA3732 charger. Integrated LED battery charge level indicator allows user to monitor battery using. Premium battery cells,can be charged freely without memory effect. Has over-heating, over-charging and over current protection programs for safety use.