DeWalt Compatible Batteries, Chargers & Adapters

Find the Right DeWalt-Compatible Battery, Charger, or Adapter — Without Overpaying

If you're standing here comparing packs, chargers, and adapters, you're probably trying to solve one of three problems: a battery that no longer holds a charge, a charger that's too slow (or missing), or a tool platform mismatch that's costing you money in duplicate gear. This collection is built to solve all three without pushing you into a bigger purchase than you actually need.

Every battery, charger, adapter, inverter, and work light listed here is built to work with DeWalt 20V MAX, FlexVolt, and 12V tool platforms. Nothing here is an OEM DeWalt product — Mach 1 Lithium is not affiliated with, endorsed by, or sponsored by DeWalt. These are engineered, compatible alternatives designed to match OEM performance and fit at a lower price point.

Choosing a Battery: Match Capacity to the Work, Not the Price Tag

The most common mistake buyers make is choosing a battery by price alone. Amp-hours (Ah) determine how long a battery runs under real load, not just how long it lasts sitting on a shelf. If you're running drills, drivers, or lights, something like the 20V 5AH LI-ION Power Tool Battery covers most day-to-day use. For heavier tools — circular saws, grinders, reciprocating saws — step up to a high-output option like the Dewalt 20V 6AH LI-ION Power Tool Battery, which is built to hold voltage steady as it discharges instead of losing power mid-cut.

If you're running FlexVolt tools or mixing 20V and 60V equipment on the same job, the 20V-60V 12AH LI-ION Power Tool Battery gives you the runtime to get through a full shift without swapping packs. For full model-by-model guidance, our DeWalt battery compatibility guide breaks down which platform fits which tools before you buy.

Chargers: Don't Let a Slow Charger Bottleneck Your Batteries

A high-capacity battery is only as useful as the charger behind it. If you're cycling multiple 20V or FlexVolt packs through a workday, the For Dewalt 4 Port Charger (20V and Flex Volt) lets you charge several batteries at once instead of waiting in line. Still running older tools on the 18V platform? The For Dewalt 18V Battery Charger supports NiCd, NiMH, and Li-Ion packs so you're not forced to retire working equipment. Unsure which charger matches the batteries you already own? Our DeWalt battery charger guide walks through it before you order.

Adapters: Use the Batteries You Already Own Across Brands

If you already own DeWalt batteries but picked up a tool from another platform, buying a second battery ecosystem gets expensive fast. An adapter like the Dewalt Battery to Milwaukee Tool Adapter lets a charged DeWalt 20V MAX pack power compatible Milwaukee M18-style tools instead. The reverse also works — check our DeWalt to Milwaukee adapter breakdown and Makita to DeWalt adapter guide to see where cross-brand adapters work well and where they don't, so you avoid buying the wrong one.

Inverters, Work Lights & Mounts: More Use From Every Battery

A DeWalt battery doesn't have to stop at powering tools. The DeWalt 20V Battery Power Inverter turns a compatible 20V pack into a 110V AC outlet with dual USB ports — useful for job sites, outages, or charging devices away from a wall socket. Pair it with a higher-capacity battery for longer runtime; our DeWalt battery inverter buying guide explains what it can realistically run before you buy. For low-light jobs, the 4" Round LED Work Light runs directly off your existing battery, and our wall mounts keep charged and spent packs organized instead of scattered across the shop.

Before You Check Out

Confirm your tool's model number against the battery platform (12V, 20V, or 20V/60V FlexVolt) before ordering — mismatched platforms won't seat correctly, and the wrong adapter can strain contacts on both the battery and the tool. It also helps to think about how many packs you actually cycle in a day: buying one large battery is often cheaper long-term than buying two smaller ones, but only if your charger can keep up with it.

If you're building out a full kit rather than a single item, our DeWalt batteries collection and broader chargers and adapters collections make it easy to compare every compatible option side by side, so you're not bouncing between multiple pages to piece together a setup. Every item on this page ships from the same order, which also means one shipping charge instead of several.

Orders over $100 ship free, and every product here carries our standard warranty coverage — so you can upgrade your setup without gambling on fit or performance. If something doesn't work with your tool as described, our support team can help you sort out the right replacement before you're stuck with gear you can't use.