DeWalt DCB606 21700 18V/54V 12Ah/4Ah Replacement Battery

Molicel M35A

DeWalt DCB606 21700 18V/54V 12Ah/4Ah Replacement Battery

DeWalt DCB606 21700 18V/54V 12Ah/4Ah Replacement Battery

The DeWalt DCB606 21700 18V/54V 12Ah/4Ah Replacement Battery (Flex Volt) delivers powerful performance and extended runtime for demanding cordless tool applications. Built with premium Molicel 21700 lithium-ion cells, this battery automatically switches voltage between 18V and 54V, providing flexibility and high efficiency across compatible DeWalt tools.

With 12Ah capacity in 18V mode and 4Ah in 54V mode, it offers long operating time and consistent power output. The battery includes advanced protection against overcharging, overheating, over-discharge, and short circuits, ensuring safety and durability during heavy-duty use.

Designed as a reliable replacement for the original DCB606 battery, it is ideal for professionals and DIY users who need dependable power for construction, woodworking, and workshop tasks.

Aftermarket replacement battery. Please confirm tool and charger compatibility before purchase.

$245.00

5 in stock

5 in stock

Specifications

DeWalt DCB606 21700 18V/54V 12Ah/4Ah Replacement Battery

  • Model: DCB606 Replacement Battery

  • Battery Type: Lithium-Ion

  • Cell Type: Molicel 21700 Lithium Cells

  • Voltage: 18V / 54V FlexVolt

  • Capacity: 12Ah (18V Mode) / 4Ah (54V Mode)

  • Energy: Approx. 216Wh

  • Compatibility: DeWalt 18V & 54V FlexVolt Tools

  • Protection: Over-charge, Over-discharge, Over-current, Short-circuit

  • Rechargeable: Yes

  • Condition: Brand New Replacement Battery

Applications

DeWalt DCB606 21700 18V/54V 12Ah/4Ah Replacement Battery

  • Ideal for:

  • DeWalt FlexVolt cordless drills and impact drivers

  • Circular saws and reciprocating saws

  • Angle grinders and demolition tools

  • Construction and carpentry tools

  • Professional trade, workshop, and DIY projects

Important Information

Please read and follow these safety guidelines before purchase or use:

General Lithium-Ion Battery Safety

  • Only purchase if you understand Li-ion battery safety and proper handling procedures.

  • Always use a compatible Li-ion smart charger. Never leave batteries charging unattended.

  • Store batteries in a protective case — never carry them loose in your pocket, bag, or toolkit.

  • Avoid contact with metal objects such as keys, coins, or tools to prevent accidental short-circuiting.

  • Use within manufacturer-rated specifications. Do not exceed voltage, current, or temperature limits.

  • In series or parallel packs: ensure proper cell balancing and use a quality Battery Management System (BMS)