Persever 8.0Ah 20V WA3520 Battery Replacement for Worx 20 Volt Lithium Ion WA3520 WA3525 WG151s WG155s WG251s WG255s WG540s WG545s WG890 WG891 Cordless Power Tool Battery 2 Pack

Replacement for Worx 20v lithium battery wa3520 wa3525 wa3575 wa3578; Fit for Worx 20v charger wa3732 wa3731 wa3742 wa3847 Compatible with Worx 20 volt cordless power tools wg151 wg151.5 wg155 wg155.5 wg251 wg251.5 wg255 wg540 wg540.5 wg890 wg891 series Overload cut-off function prevents overcharging, over discharge and over current, provides short circuit protection and steady voltage circuit Made of premium battery cells without memory effect, can be charged or discharged freely, charging at any time will have no effect on the battery, extends the battery lifespan