10 Best Electric Ratchet Wrenches

The Milwaukee 2457-20 is a compact, battery-powered 3/8-inch electric ratchet wrench designed for moderate jobs requiring up to 35 foot-pounds of torque. Its cordless feature offers convenience without being tied to a power outlet, though you’ll need to buy the M12 battery separately. With a top speed of 250 RPM and a variable speed trigger, it gives enough control to handle tightening or loosening bolts efficiently at a steady pace. The tool’s low profile head is great for working in tight spaces like engine bays, and the recessed forward-backward switch helps avoid accidental changes while you work.

It weighs just under half a kilogram and is about 9.5 inches long, making it easy to handle and maneuver. Built-in LED lighting improves visibility in dim work areas, and the onboard fuel gauge keeps you informed about remaining battery life, reducing interruptions. The smart REDLINK technology protects the tool and battery from overheating by adjusting power delivery. If you need higher torque or longer runtime, this sub-compact model might feel limited. Also, since the battery isn't included, consider the added cost if you don’t already own compatible Milwaukee M12 batteries.

This ratchet is well-suited for automotive repair, home maintenance, or light mechanical work where portability and moderate power are priorities.

The Ingersoll-Rand 20V 3/8-Inch Ratchet is a cordless electric ratchet wrench designed to offer the power and feel of traditional air ratchets with the convenience of battery operation. It delivers a solid 54 ft-lbs of torque, suitable for loosening and tightening many tough bolts, making it ideal for automotive work and general mechanical tasks. The variable speed trigger allows good control over the tool's speed, which maxes out at 225 RPM — sufficient for most ratcheting jobs. Its ergonomic handle with a comfort grip helps reduce hand fatigue during extended use, and the compact size allows easy access to tight spaces.

The tool features a 20V lithium-ion battery system with a quick one-hour recharge time and a handy battery fuel gauge to monitor power levels. However, the battery is not included and must be purchased separately if you don’t already own compatible batteries. Weighing about 1.6 kg, it is somewhat heavier than other cordless ratchets, which could impact prolonged use for some users. The noise level is moderate at 97 dB, making it not overly loud but still worth considering in confined spaces.

This ratchet is well suited for those seeking a powerful, portable tool with good ergonomics and fast charging, especially if they already have compatible batteries. It may be less preferable for users who want a lighter tool or faster speed options.

The Milwaukee M12FIR38-0 is a cordless electric ratchet with a 3/8" drive size, making it a solid choice for light to medium fastening jobs where maneuverability is important. Its 12V battery-powered design means there's no need to be tethered by a cord, giving you freedom to work in tight or awkward spaces. With a max torque of up to 81Nm and a speed of 175 RPM, it delivers enough power and speed to handle most automotive or mechanical tasks efficiently without being too bulky.

The low-profile head is great for accessing tight spots, which is often a challenge with ratchets. It also features an LED light to brighten your work area and a fuel gauge to check battery life at a glance, both handy for better control and productivity. However, since this is a 'skin only' model, the battery and charger are sold separately, so be aware you will need those to get started if you don’t already own compatible Milwaukee M12 batteries. The tool weighs around 1.28 kg, which is reasonably light, making it comfortable for extended use.

This ratchet is best suited for professionals or serious DIYers needing a durable, cordless tool for spaces where a corded ratchet would be impractical. If you want a convenient, portable ratchet with solid torque and speed in a compact design, this Milwaukee model fits the bill well.