Appliance · Tools
How many watts does a cordless drill battery charger use — and what can run it?
An 18 V cordless tool charger (RYOBI P117) is rated 85 W input, 18 V / 3.0 A output. Which power stations can charge drill batteries, and for how long.
Output 18 V DC, 3.0 A per Ryobi.
The representative charger is the RYOBI P117, an 18V ONE+ dual-chemistry charger. RYOBI's product page lists an input of 120 V, 60 Hz, 85 W and an output of 18 V DC, 3.0 A. The site uses the 85 W input as the running figure. It is a rated maximum, so actual draw is at or below it.
What changes the draw
A charger draws its most while it pushes current into a depleted battery and less as the battery fills. The output side, 18 V × 3.0 A, is 54 W; the gap to the 85 W input rating covers conversion losses and headroom in the rating. Charging a larger battery takes longer at the same wattage, which changes energy, not the station's required output. The page assumes one hour of charging a day, 85 Wh.
No starting surge
A battery charger has no motor start and no starting figure. The deciding number is continuous output: 85 W rules out only the 80 W MARBERO M82 among stations with an AC outlet.
Reading the tables
Runtime is time at the full 85 W, not a number of batteries charged; RYOBI's battery capacities are not in this page's data. Example: the DARAN R100 record has no maker factor, so the default 0.85 applies: 89.6 Wh × 0.85 ÷ 85 W = 0.9 hours. A 1,024 Wh station gives 10.2 hours by the same arithmetic. For the corded tools a job site also runs, see the circular saw page.
Power stations that can run it
Pass = continuous output ≥ 85 W. Runtime = capacity × maker's factor ÷ 85 W, nothing else plugged in. Method.
| Model | Fits | Runtime at 85 W | Capacity | List price |
|---|---|---|---|---|
| MARBERO 88Wh Portable Power Station (M82) | No | — | 89 Wh | $119.99 |
| DARAN R100 (89.6Wh) | Yes | 54 min | 90 Wh | $149.99 |
| Bluetti EB3A | Yes | 2.6 h | 269 Wh | $219 |
| EcoFlow RIVER 3 Plus | Yes | 2.9 h | 286 Wh | $299 |
| Anker SOLIX C300 | Yes | 2.9 h | 288 Wh | $429.99 |
| Anker SOLIX C300 DC | No | — | 288 Wh | $349.99 |
| Jackery Explorer 300 | Yes | 2.9 h | 292 Wh | $289 |
| Goal Zero Yeti 500 | Yes | 5 h | 499 Wh | $499.95 |
| Bluetti AC70 | Yes | 7.7 h | 768 Wh | $359 |
| Anker SOLIX C1000 Gen 2 | Yes | 10 h | 1,024 Wh | $499.99 |
| EcoFlow DELTA 3 | Yes | 10 h | 1,024 Wh | $699 |
| EcoFlow DELTA 3 Classic | Yes | 10 h | 1,024 Wh | $599 |
| EcoFlow DELTA 3 Plus | Yes | 10 h | 1,024 Wh | $799 |
| Anker SOLIX C1000X | Yes | 11 h | 1,056 Wh | $469.99 |
| Jackery Explorer 1000 v2 | Yes | 11 h | 1,070 Wh | $559 |
| Bluetti AC180 | Yes | 10 h | 1,152 Wh | $499 |
| Jackery Explorer 1000 Plus | Yes | 13 h | 1,264 Wh | $699 |
| Goal Zero Yeti 1500 | Yes | 15 h | 1,505 Wh | $1,499.95 |
| Goal Zero Yeti 1500X | Yes | 15 h | 1,516 Wh | $1,124.89 |
| EcoFlow DELTA Max (2000) | Yes | 20 h | 2,016 Wh | — |
| Jackery Explorer 2000 v2 | Yes | 20 h | 2,042 Wh | $999 |
| Jackery Explorer 2000 Plus | Yes | 20 h | 2,043 Wh | — |
| Anker SOLIX C2000 Gen 2 | Yes | 20 h | 2,048 Wh | $899.99 |
| Bluetti AC200L | Yes | 20 h | 2,048 Wh | $899 |
| EcoFlow DELTA 2 Max | Yes | 20 h | 2,048 Wh | $1,299 |
| EcoFlow DELTA 3 Max | Yes | 20 h | 2,048 Wh | $1,199 |
| EcoFlow DELTA 3 Max Plus | Yes | 20 h | 2,048 Wh | $1,599 |
| Bluetti Elite 200 V2 | Yes | 19 h | 2,074 Wh | $899 |
| Jackery HomePower 3000 | Yes | 31 h | 3,072 Wh | $1,499 |
| Anker SOLIX F3800 Plus | Yes | 38 h | 3,840 Wh | $2,599.99 |
| EcoFlow DELTA Pro 3 | Yes | 41 h | 4,096 Wh | $3,299 |
Generators that can run it
| Model | Fits | Load | Published run time | CO sensor | List price |
|---|---|---|---|---|---|
| Champion 100396 3400W Electric Start Dual Fuel Inverter | Yes | 3 % (gasoline) | 7.5 h @ 25 % | No | — |
| Champion 201241 13,500W Electric Start Tri Fuel Generator | Yes | 1 % (gasoline) | 8 h @ 50 % | Yes | — |
| Champion 201319 4500W Electric Start Dual Fuel Inverter | Yes | 2 % (gasoline) | 14 h @ 25 % | Yes | — |
| DuroMax XP13000EH | Yes | 1 % (gasoline) | 17 h @ 25 % · 8 h @ 50 % | Yes | $1,299 |
| DuroMax XP9500iH | Yes | 1 % (gasoline) | 21 h @ 25 % · 11 h @ 50 % | Yes | $1,999 |
| Generac GP8000E (with COsense, model 7715) | Yes | 1 % (gasoline) | 10 h @ 50 % | Yes | — |
| Generac iQ3500 (with COsense) | Yes | 3 % (gasoline) | 14.1 h @ 25 % · 8.9 h @ 50 % | Yes | — |
| Honda EU2200i | Yes | 5 % (gasoline) | 8.1 h @ 25 % · 3.2 h @ 100 % | Yes | $1,199 |
| Honda EU3200i | Yes | 3 % (gasoline) | 8.6 h @ 25 % · 3.3 h @ 100 % | Yes | $2,799 |
| Honda EU7000iS | Yes | 2 % (gasoline) | 16 h @ 25 % · 6.4 h @ 100 % | Yes | $4,899 |
| WEN DF680iX | Yes | 2 % (gasoline) | 6.1 h @ 50 % | Yes | $803.40 |
| WEN GN400i | Yes | 2 % (gasoline) | 7 h @ 50 % | No | $479.99 |
| Westinghouse WGen7500DFc | Yes | 1 % (gasoline) | 11 h @ 25 % | Yes | $1,299 |
| Westinghouse WGen9500DF | Yes | 1 % (gasoline) | 12 h @ 25 % · 8 h @ 50 % | No | $1,249 |
| Westinghouse WGen9500DFc | Yes | 1 % (gasoline) | 12 h @ 25 % · 8 h @ 50 % | Yes | $1,399 |
| Westinghouse WGen9500DFc EFI | Yes | 1 % (gasoline) | 15 h @ 25 % · 10 h @ 50 % | Yes | $1,549 |
Frequently asked questions
How many watts does a drill battery charger use?
Can a small power station charge tool batteries?
How long can a power station run a tool charger?
Sources
- RYOBI — 18V ONE+ Dual Chemistry Charger P117 product details (accessed 2026-10-31)
Page updated 2026-10-31.