Hoover ONEPWR Battery Adapters
Our Hoover ONEPWR battery adapters expand the range of uses for your cordless cleaning devices. These adapters allow you to use Hoover ONEPWR batteries with other brands of tools or connect Hoover devices to alternative battery systems. They are robustly built, ensure stable power transmission, and help you get the most out of your ONEPWR system.
Pick a tool to run from your Hoover 20V ONEPWR battery
Hoover 20V ONEPWR questions
Is a Hoover 20V ONEPWR battery 20V or 18V?
Both — it is one battery described two ways. 20V is what it measures fresh off the charger with nothing drawing from it; 18V is what it settles at under load, and that is the figure most other brands print on the tool. So a 20V battery and an 18V tool are the same class of battery, which is exactly why an adapter between them works.
How do I find the right adapter on this page?
Use the selector at the top: pick the platform on the other side of the pair and it takes you straight to the one adapter that joins them. Every combination in that list is one we actually make, so if it is there, it exists.
Can I use a Hoover 20V ONEPWR battery on another brand’s tool?
Not with an adapter from us. Hoover 20V ONEPWR works as the tool side only here — we make adapters that let other brands’ batteries run Hoover 20V ONEPWR tools, not the reverse.
Can I charge a Hoover 20V ONEPWR battery through the adapter?
No. The adapter carries current from the battery to the tool and does nothing else — there is no charging circuit inside it. Keep charging Hoover 20V ONEPWR batteries on their usual Hoover charger.
Will an adapter damage my Hoover 20V ONEPWR battery or my tool?
Used with undamaged, compatible equipment it is not expected to. Hoover 20V ONEPWR batteries are lithium-ion with their own protection circuit built into the battery, and it keeps doing its job through the adapter. Stop when the tool noticeably slows rather than running the battery flat, and stop using the adapter if it becomes unusually hot or the contacts look damaged.
Does it work with third-party Hoover batteries?
Usually. What matters is the socket, not the badge: if the battery slides onto a Hoover 20V ONEPWR tool and locks the way an original does, the adapter will take it. Aftermarket batteries do vary in moulding, so if yours looks unusual send us a photo and we will check before you order.