Home / Tool batteries / M18
Every M18 REDLITHIUM pack fits M18 tools. CP / XC / High Output / FORGE change size, runtime, and peak power — not the rail.
| SKU | Class | Ah | Best for |
|---|---|---|---|
48-11-1815 | CP | 1.5 | Light / overhead |
48-11-1820 | CP | 2.0 | Everyday drills |
48-11-1835 | HO CP | 3.0 | Compact high-draw |
48-11-1840 | XC | 4.0 | Mid XC runtime |
48-11-1850 | XC | 5.0 | All-around (2-pack 48-11-1852) |
48-11-1850R | XC resistant | 5.0 | Oil-resistant XC5.0 variant |
| SKU | Class | Notes |
|---|---|---|
48-11-1862 / 48-11-1865 | HO XC ~6.0 | Grinders / circular saws |
48-11-1880 | HO XC 8.0 | Long runtime |
48-11-1812 | HO HD 12.0 | All-day high demand |
48-11-1861 | FORGE XC6.0 | Pouch-cell FORGE |
48-11-1881 | FORGE XC8.0 | Longer FORGE |
48-11-1813 | FORGE HD12.0 | Top FORGE endurance |
| Situation | Answer |
|---|---|
| M18 ↔ M12 | No — different connector |
| Other-brand adapters | Not recommended here |
| Replace dead XC5.0 | Buy 48-11-1850 like-for-like unless tools need HO/FORGE |