This 2 pack of V20 4.0Ah Lithium Ion Batteries provides up to 3x the capacity versus the standard of a standard 20V MAX lithium battery. It is designed for the CRAFTSMAN V20 platform and can be shared across compatible V20 outdoor equipment and power tools.
Which CRAFTSMAN tools is the CMCB204-2 battery package compatible with?
The CMCB204-2 is part of the V20 system, so it can power compatible V20 cordless tools and outdoor equipment that use the same battery interface.
When does the CMCB204-2 make more sense than a 4Ah or 6Ah battery?
With 4Ah on tap, the CMCB204-2 lands in the middle of the range. It is a better everyday choice than 2Ah when you want fewer swaps, but a 6Ah pack is still the stronger pick for high-draw tools and longer outdoor runs.
Is the CMCB204-2 package a better buy as a spare-power setup or as a first step into V20?
Because the CMCB204-2 bundles 2 4Ah batteries without forcing you to buy another charger, it is strongest as a spare-power purchase for someone who already owns V20 tools and wants more runtime on hand.
How does the CMCB204-2 differ from the listed variants CMCB204-CK, CMCB204-CKVA?
The main differences are bundle format and battery type. In this set, CMCB204-CK (Starter Kit); CMCB204-CKVA (Starter Kit). Choose the version that matches whether you need a charger included, a multi-pack for rotation, or a higher-output battery style for heavier tools.
What does the CMCB204-2's capacity mean in real use?
A 4Ah battery is a middle ground: noticeably longer runtime than 2Ah without the extra weight of a 6Ah pack.
# CRAFTSMAN V20 4.0ah Lithium Ion Battery (2 Pk) **Model:** `CMCB204-2` **Brand:** CRAFTSMAN **Category:** Battery > This 2 pack of V20 4.0Ah Lithium Ion Batteries provides up to 3x the capacity versus the standard of a standard 20V MAX lithium battery. It is designed for the CRAFTSMAN V20 platform and can be shared across compatible V20 outdoor equipment and power tools. ## Specifications | Attribute | Value | |---|---| | Product Type | Battery | | Voltage (V) | 20 | | Cordless / Corded | Cordless | | Power Source | Battery | | Motor Type | Brushed | | Tool Only | No | | Batteries Included | 2 | | Battery Ah | 4 | | Charger Included | No | | Piece Count | 2 | | Battery Platform | V20 | | Barcode (UPC) | 885911564595 | | Country of Origin | South Korea | | Warranty | 3-year limited | | Capacity Ah | 4 | | Cell Type | Lithium-Ion | | Compatible Platform | V20 | ## What's Included - (1) CRAFTSMAN V20 4.0ah Lithium Ion Battery (2 Pk) - (2) V20 lithium-ion batteries (4Ah each) Source: https://www.jaspecs.com/craftsman/battery/cmcb204-2-v20-40ah-lithium-ion-battery-2-pk/