M18 FORCE LOGIC 12T Kearney Linear Crimper
Battery answer
Every reviewed M18 pack powers SKU 2878K-20 at full rated performance, with no battery-specific condition.
- Battery platform
- Milwaukee M18
- Packs required
- 1 pack
- 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 · Crimpers · SKU 2878K-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.”
Kit configurations
Ways Milwaukee sells this exact tool in a box. Contents are decomposed to manufacturer SKUs; non-SKU’d accessories — side handles, belt clips, cases — are omitted because they carry no compatibility meaning.
M18 FORCE LOGIC 12T Kearney Linear Crimper Kit (2878K-22)
| Qty | Component | SKU |
|---|---|---|
| 1 | M18 FORCE LOGIC 12T Kearney Linear Crimper | 2878K-20 |
| 1 | M18 REDLITHIUM CP2.0 Battery | 48-11-1820 |
| 1 | M18 REDLITHIUM XC5.0 Extended Capacity Battery Pack | 48-11-1850 |
| 1 | M18 & M12 Multi-Voltage Charger | 48-59-1812 |
Battery capacity in the box: 7.0 Ah across 2 pack(s). This is the directly comparable capacity when weighing the kit against the bare tool plus packs.
Contents provenance: reviewed derivation; review completed 2026-08-07 by jon.
Contents sources for 2878K-22 (2)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Tool specifications and manufacturer claims
Basic tool facts
| Brushless | Yes |
|---|---|
| Weight, bare tool | 15.8 lb |
Specification sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Full specifications
As published by Milwaukee for SKU 2878K-20, read 2026-07-31. Values are quoted in their units, not reformatted.
| Height | 5.6 in |
|---|---|
| Length | 21.5 in |
| Width | 3.5 in |
| Brushless Motor | Yes |
| FUEL | No |
| Motor Type | Brushless |
| Number of Batteries Included | 0 |
| Number of Batteries Required | 1 |
| ONE-KEY Enabled | Yes |
| Tool Branding | Brushless (Not FUEL) |
| Variable Speed | No |
| Warranty | 5 Year Limited Warranty |
What Milwaukee says about it
- Fastest 12T crimper for 12T Kearney dies
- PREDICTIVE FORCE MONITORING (PFM) ensures full pressure
- Most balanced inline design delivers maximum control
- Inline design and 340 ̊ rotating head provides easy access in tight spaces
- Pull pin die retention system allows for fast, toolless die changes
- Pre-crimp battery check automatically ensures enough charge to complete each crimp
- Instant verification of successful cycle with green LED
- Hydraulic system optimized for consistent performance from -4 ̊ to 140 ̊ F
- Compatible with all industry standard Kearney dies
- Longer life with POWERSTATE brushless motor & weather protected electronics that keep dirt, dust, & moisture out
- Records & stores every crimp made for professional report building through ONE KEY
- Part of the M18 System, featuring over 200+ tools
Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.