M18 FUEL Hackzall
Battery answer
Every reviewed M18 pack powers SKU 2719-20 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 · HACKZALLS · SKU 2719-20 · 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 | 4.07 lb |
|---|
Specification sources (1)
- Milwaukee Tool — manufacturer page, retrieved 2026-07-31
Full specifications
As published by Milwaukee for SKU 2719-20, read 2026-07-31. Values are quoted in their units, not reformatted.
| Peak Amps | 5 A |
|---|---|
| Height | 7 in |
| Length (assembledLength) | 14 in |
| Width | 3.31 in |
| Branding | Badge: FUEL · Tool: FUEL |
| Colors | Black · Red |
| FUEL | Yes |
| Charger | No |
| Length (lengthin) | 14" |
| Number of Batteries Required | 1 |
| Number of Pieces Included | 1 |
| ONE-KEY Enabled | No |
| Variable Speed | No |
| Warranty | 5 Year Limited Warranty |
| Weight w/Batteries | 5.57 lb |
What Milwaukee says about it
- 7/8" stroke length removes more material with each stroke resulting in the faster cuts
- Compact and lightweight design allows for easier cutting in tight spaces or overhead applications
- Cuts up to 50% faster than competitive one-handed recip saws
- One-handed design provides superior control and versatitily over standard reciprocating saws
- Pivoting shoe provides constant contact with the work-piece resulting in smoother cuts with less bucking and vibration
- M18™ REDLITHIUM™ Battery packs, compatible with 125+ solutions
- POWERSTATE™ Brushless Motor: Increased cutting speed and power throught the toughtest applications
- REDLINK PLUS™ intelligence and POWERSTATE™ Brushless Motor combine to provide up to 3x longer tool life than competitive one-handed recips
- REDLINK™ Plus Intelligence: The most advanced system of cordless power tool electronics; provides optimized performance and overload protection using total sysem communication between tool, battery and charger
- REDLITHIUM™ battery technology: Superior pack construction, electronics and performance deliver more work per charge and more work over pack life than any battery on the market
- Up to 4x lower vibration for smooth cut starts & one-handed control
Manufacturer marketing copy, reproduced so you can judge it. We have not tested these claims.