[ Advantage ]Using the same communication protocol as the original battery, it is fully compatible with WOR 20v power tools. The price is one-third of OEM. In addition, it integrates a comprehensive protection circuit board with over-current protection, short-circuit protection, and over-charging protection
[ Compatibility ] Compatible with WOR 20V Battery WG170 WG184 WG284 WG320 WG322 WG349 WG381 WG543 WG545.4 WG 545.6 WG545.9 WG547 WG547.9 WG584 WG585 WG620 WG625 WG630 WF644 WG743 WG927 WG151s WG155s WG251s WG255s WG545s ,etc. And compatible with original WA3847 quick charger and WA3732 charger
[ Capacity ] Using high-quality lithium batteries for WOR 20v battery , the real capacity is 3500 mah, 30% more operating time than original 2.0 ah WA3525 battery
[ After-Sales service ] All Powilling products come with 30 days money back or exchange, 12 months factory maintenance help and Using friendly customer service