【Light and Efficient】The Battery upgrade to 4.0 high capacity, more operating time than the original 20V 2.0ah WA3525 battery,Maintaining a light weight while extending running time,Making your tools run longer like new.
【Excellent performance】The replacement 20-volt lithium battery WA3525 uses a high-quality battery cell made with integrated microchip technology, built-in over-heating protection, over-voltage protection, over-current protection, over-charge protection, over-discharge protection to enhance power, performance, and run time.
【Widely-used】20V battery fully compatible with all 20V and 2*20V tools, outdoor power and lifestyle products WG151, WG155, WG251, WG255, WG540, WG890, WG891, WG284, WG644, WG584, WG743.Works with original WA3847 quick charger and WA3732 charger.
【Reliable After-sale Service】30 days money back, 1-year warranty. 24*7 hours' friendly customer service. If you have any questions about the replacement 20v 4.0 ah battery, feel free to contact us via order, and we'll try our best to give you a satisfactory answer.