M18 ROCKET Dual Pack Tower Light w/ ONE-KEY
Battery answer
Every reviewed M18 pack powers SKU 2120-20 at full rated performance, with no battery-specific condition.
- Battery platform
- Milwaukee M18
- Packs required
- Not published by Milwaukee
- 9 work without conditions.
Battery requirement sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Compare the reviewed packs See tool specifications and sources
Milwaukee · Safety Technology · SKU 2120-20 · Milwaukee source
Compare the reviewed M18 packs
| Battery | Capacity | Energy | Power level | Answer |
|---|---|---|---|---|
| 48-11-1813 | 12 Ah | 216 Wh | PWR5 | Works |
| 48-11-1820 | 2 Ah | 36 Wh | not published | Works |
| 48-11-1828 | 3 Ah | 54 Wh | not published | Works |
| 48-11-1840 | 4 Ah | 72 Wh | not published | Works |
| 48-11-1850 | 5 Ah | 90 Wh | PWR2 | Works |
| 48-11-1850R | 5 Ah | 90 Wh | not published | Works |
| 48-11-1861 | 6 Ah | 108 Wh | PWR4 | Works |
| 48-11-1865 | 6 Ah | 108 Wh | PWR3 | Works |
| 48-11-1881 | 8 Ah | 144 Wh | PWR4 | Works |
Energy is capacity × nominal voltage — our arithmetic on Milwaukee’s figures, not a number they publish. It is the only honest way to compare packs across capacities. Power level is Milwaukee’s own PWR tier where they publish one.
Compatibility sources (1)
- Milwaukee Tool — manufacturer support, retrieved 2026-07-30“All M18 Batteries are compatible with M18 tools & chargers.”
Tool specifications and manufacturer claims
Basic tool facts
| Weight, bare tool | 23.52 lb |
|---|
Specification sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Full specifications
As published by Milwaukee for SKU 2120-20, read 2026-07-31. Values are quoted in their units, not reformatted.
| Peak Amps | 1 A |
|---|---|
| Height | 12.2 in |
| Length | 24.1 in |
| Width | 8.2 in |
| Color | Red |
| Material | Plastic |
| Number of Pieces Included | 2 |
| ONE-KEY Enabled | Yes |
| PACKOUT Compatible | No |
| Runtime and Output by Mode | High- (XC8.0Ahx2) 5hr, 5400 Lumens/ Medium- 9hr, 3100 Lumens / Low- 22hr, 1600 Lumens |
| Warranty | 5 Year Tool Warranty, LED Limited Lifetime Warranty |
What Milwaukee says about it
- IP67 Rated: Waterproof and Dust Proof
- Three Light Output Modes or Custom through the ONE-KEY App for Optimal Brightness and Run-Time
- Waterproof: Fully submersible up to a meter
- 7 second setup 5'5 extension
- 22" when collapsed
- ONE-KEY Integrated Tool Tracking & Security
- 5400 lumens up to 26 hours of runtime
- 3 leg positions: stowed, Tripod, 180 degrees
- ONE-KEY capable
- LED Limited Lifetime Warranty: LEDs never need to be replaced
- Part of the M18 System, featuring 200+ solutions
- Waterproof: Fully Submersible up to 1 Meter
Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.