Best Power Tool Battery Chargers (2026)

The 48-59-1815 is a dual-bay M18 charger that charges two packs at the same time. Milwaukee says it takes an M18 REDLITHIUM FORGE XC6.0 battery to 80 percent in about 15 minutes. Charge Adapt technology distributes power between the two bays for optimized simultaneous charging, and a Cool-Cycle active cooling system reduces charge time.

Active cooling matters because heat is the limit on fast charging. A pack that gets hot has to charge slowly or it degrades, so a fan that pulls heat out lets the charger push more current. Simultaneous charging is also a time saver for a crew with two tools on the go. Compared with the older Milwaukee 48-59-1812, the Super Charger is faster and charges two packs at once, while the 1812 is a sequential, multi-voltage charger.

It only charges M18 batteries. Keep the fan intake clear of dust, and use it on a hard surface, not a rug. Because it is a fast charger, expect some fan noise, and place it where it can pull in cool air. A rack or shelf near a workbench keeps the cord off the floor.

The DC18RC is Makita's Rapid Optimum Charger for 18V LXT batteries. It charges a 3.0Ah pack in 30 minutes, a 4.0Ah pack in 40 minutes and a 5.0Ah pack in 45 minutes.

Those figures show how the charger scales: charge time grows with capacity, but not linearly, because the charger pushes more current into larger packs. An optimum charging system communicates with the battery's chip to protect cell life. It is a single-bay charger, so you charge one pack at a time, which is fine for a home shop but slow for two or three batteries in a row.

It is a simple, reliable charger. Compared with the Makita DC18SD, which also lists 25 minutes for 2.0Ah, the DC18RC is the standard LXT charger, and the DC18SD adds 7.2V compatibility. Lithium packs like to be charged at room temperature, so let a hot pack cool a few minutes after heavy use before docking it. Wipe the terminals now and then.

The DC18SD charges Makita batteries from 7.2V to 18V and lists charge times from 25 minutes for a 2.0Ah pack to 45 minutes for a 5.0Ah pack. A built-in fan cools the battery during charging, and the charger communicates with the battery's chip to optimize battery life.

Cooling is the difference between this charger and the DC18RC listed here: the fan lets the DC18SD keep current high for longer. A 7.2 to 18V range covers older Makita packs, which suits shops with legacy tools. It is a single-bay design.

Keep the fan intake clean. Heat makes batteries age, so a charger with a fan is worth it if you charge in a warm garage. If you charge many packs in a row, the fan on this model keeps temperature in check. Replace the charger if the fan seizes, since a hot charge shortens battery life.

The DCB1104 is a 4 amp charger that handles DeWalt 12V MAX, 20V MAX and FLEXVOLT batteries, with a two-stage LED state of charge indicator. DeWalt says it is 15 percent smaller than the DCB115 4A charger.

A 4 amp charger charges a typical 5.0Ah pack in roughly an hour or a little more, which is slower than rapid chargers but gentler on cells. Because it fits three DeWalt platforms, it is the one charger you need for a mixed collection. The small size helps on a truck seat.

It does not list active cooling, so heavy-use crews may want a faster option. For home use it is a good all-rounder. For a collection with several voltages, this single charger replaces three, and its compact size fits a truck console. Do not expect the speed of a dedicated rapid charger.

The 48-59-1812 charges both 12V and 18V Milwaukee batteries and can hold one of each at the same time. It charges them one after the other and communicates with a chip in each battery to track how much charge it has received.

Sequential charging means you do not manage charge cycles: the charger finishes one pack, then starts the next. An onboard fuel gauge shows status. It is a flexible charger for owners who run both M12 and M18 tools, since a single unit replaces two.

The tradeoff is speed. It is not a rapid charger, so two big packs take a while. For a crew, the Super Charger is faster. Keep both batteries clean and seated fully, because a poor connection stops charging and flashes an error. Check which battery the charger prefers when two are loaded.

The PACKOUT six bay rapid charger holds six M18 batteries and charges two at once at a rapid rate that Milwaukee says is up to 40 percent faster than standard chargers. After the first two, it automatically moves to the next pair.

Sequential pair charging is useful for a shop or truck that owns many batteries, since you can load all six at the end of the day and have them ready in the morning. It fits M18 batteries only and mounts into the PACKOUT system. A six-bay unit is overkill for someone with two batteries.

It is a storage and charging station in one, and the real benefit is organization. Do not stack it where heat can build up. Plan the layout before you mount it, since a six-bay unit is large, and give it clear space for airflow. Load all six packs at the end of the day and they will be ready in the morning.