New Milwaukee 2457-20 M12 12V 3/8" Li-Ion Cordless Ratchet 4.0 AH Battery Kit Item Description M12 Cordless 3/8" Ratchet Choose the sub-compact ratchet with best-in-class power, speed and durability. The M12 Cordless 3/8? Lithium-Ion Ratchet is the ideal tool for auto mechanics, maintenance and repair professionals looking for maximum performance and productivity in a subcompact cordless tool. It utilizes a powerful 12-volt motor to produce up to 35 ft-lbs of torque and 250 RPM, giving users the power and speed of a pneumatic ratchet without the airhose. It?s powered by the M12 REDLITHIUM Battery Pack (sold separately), which delivers more work per charge and more work over pack life than the competitors, as well as best-in-class performance in extreme jobsite conditions. At just 10-3/4? long and 1.9 lbs, the ratchet is tool-belt portable, and features a 3/4" low-profile head design for work in the tightest of spaces and engine bays. The variable-speed metal trigger and reinforced steel housing provide maximum control and durability with any application. M12 REDLITHIUM XC 4.0 Extended Capacity Battery PackDelivers up to 2X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The M12 REDLITHIUM XC 4.0 Extended Capacity Battery Pack features superior pack construction, electronics and performance to deliver more work per charge and more work over pack life than any battery on the market. It offers 4.0 amp-hours of runtime. With Milwaukee durability built into each pack, this battery runs cooler and performs in climates below 0F/-18C.Managed by Milwaukee?s exclusive REDLINK Intelligence, the battery features overload protection to prevent you from damaging your cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. The temperature management system and individual cell monitoring help maximize battery life. Switch to the REDLITHIUM 4.0 XC Extended Battery Pack to instantly upgrade the runtime and durability of your Milwaukee M12 cordless tools.M12 Lithium-ion Battery ChargerQuickly charges all M12 batteries. Power up your M12 RED LITHIUM and M12 Lithium-Ion batteries in less than an hour with the M12 Lithium-Ion Charger. It communicates directly with the battery pack to manage charges and features an easy-to-load design. The charger?s slim profile requires little bench-top room, while the pass-through plug conserves valuable outlet space. Monitor battery charges for all of your M12 cordless tools with the onboard indicator light.