{ Compatibility} Upgraded Battery Fully Compatible For Hoover Onepwr Product Bh55210, Bh57005, Bh53310, Bh57125, Bh15030 Bh25040 And More. (Note: And Not For Bh53350, Bh53420, Bh57205.) | | { Compatibility For Hoover Charger} Fully Compatible For Hoover Onepwr Dual Bay Charger, And Hoover Bh05000 Onepwr Lithium Ion Single Battery Charger. | | {High Capacity } 4000Mah | Lithium-Ion Rechargeable Battery | 18V 72Wh | Working Time Is Longer Than The Original Hoover Onepwr 2.0 Ah Battery. Charging Time: Normally Only Needs 2 Hours.(Note: Din'T Fit For 20V Hoover Vacuum Cleaner.) | | {Safety Made Battery} High-Quality Lithium Battery Cells And Multiple Protection Circuits Are Used, Protect Batteries, And Vacuum Cleaner Devices Better. Features Overcharging, Over-Discharge, Short-Circuit Protection, Overheating Protection. | | {Package Contents} 1 X4.0Ah Upgrated Replace Battery Compatible For Hoover Onepwr Lithium Ion Battery, And We Provide 30 Days Money Back No Reason Asked, Ou.