CRAFTSMAN V20 4.0 Ah High-Capacity Lithium-Ion Battery (CMCB204) lithium-ion battery pack

CRAFTSMAN V20 System · 20V MAX

CRAFTSMAN V20 4.0 Ah High-Capacity Lithium-Ion Battery (CMCB204)

Extended runtime V20 battery pack providing up to 3x the capacity of standard compact packs for all-day framing and lumber cutting.

Cell Engineering & Performance

Delivers extended runtime and amplified power for heavy-duty applications. Incorporates an overload protection circuit to safeguard cells under continuous high-amperage motor draw.

Workshop recommendation: Recommended for cutting through 2-in. dimensional lumber, thick countertops, and composite decking where extended runtime is needed.

Key Features

  • Up to 3x runtime compared to standard 1.3Ah packs
  • Integrated 3-LED fuel gauge
  • Heavy-duty overmolded shock-absorbing base
  • Compatible across entire CRAFTSMAN V20 lineup

Compatible Cordless Jigsaws in our Catalog

This battery pack is 100% mechanically and electronically compatible with the following saws:

Before You Buy

Ensure you possess a compatible rapid charger from the same manufacturer and platform (or purchase an official Starter Kit bundled with a charger). Lithium-ion packs should not be stored completely depleted; maintain approximately 40% to 60% charge if storing for extended workshop downtime.

When browsing merchant listings on Amazon, verify whether the listing designates a single bare battery pack, a multi-pack, or a complete kit with high-speed charging dock.

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