Does it fit all Craftsman V20 tools?

Yes. It works with every tool and charger in the Craftsman V20 line, and the V20 chargers recharge it.

How does it compare with the standard V20 battery?

It holds about six times the charge, so tools run far longer. It is also larger and heavier than the small pack.

How long does it take to charge?

About two hours on a V20 charger. A second pack helps if you work through the day.

Is it too heavy for a drill?

It adds noticeable weight. It suits saws and grinders well but makes compact drills and drivers top-heavy.

Does it lose charge when stored?

Very little. Self-discharge is low and the cells have no memory effect, so it can sit for months and still hold a charge.

One CMCB209 9.0 Ah V20 battery. No charger is included.

Where can I buy the Craftsman CMCB209 V20 9.0 Ah Lithium-Ion Battery?

13 stores we checked sell it, including WoodArtSupply, eBay, Acme Tools, Ace Hardware, Zoro.

Craftsman CMCB209 V20 9.0 Ah Battery Price History: $133.91

Q: Where is the Craftsman CMCB209 V20 9.0 Ah Lithium-Ion Battery cheapest?

At WoodArtSupply, for $133.91, 29% under what the other stores charge, as of our latest check.

What reviewers say

Owners of the 9.0 Ah V20 pack mostly report long runtime in saws and other high-draw tools and few failures. The common complaints are weight and slow charging rather than reliability.

What people mention

RuntimePraisedOwners say high-draw tools run much longer than with the standard V20 pack.
WeightCriticisedThe pack is heavy enough to make compact drills and drivers feel nose-heavy.
Charge timeCriticisedA full recharge takes around two hours, which owners notice on long jobs.
Charge indicatorPraisedThe 3-LED gauge is described as simple and useful for checking charge at a glance.
BuildMixedMost report solid, durable packs, but some mention failures after heavy use.

From The General Store Spokane

Up to 6x the capacity versus the Craftsman standard V20 lithium-ion battery
Compatible with all Craftsman V20 tools and equipment
3 LED state of charge indicator for immediate battery charge feedback
Extreme runtime for heavy-duty jobsite applications
Professional-grade, high-energy cells
No memory and virtually no self-discharge for maximum productivity

Shipping: Free shipping on orders over a threshold, excluding orders of 25lbs+; pickup available at The General Store, usually ready in 24 hours
In the box: Craftsman V20 CMCB209 9 Ah Lithium-Ion High Capacity Battery (1 pc)

About the Craftsman CMCB209 V20 9.0 Ah Lithium-Ion Battery

The Craftsman CMCB209 is a 20V MAX lithium-ion battery pack for the Craftsman V20 system. It has a 9 Ah capacity, up to 6x the capacity of the Craftsman standard V20 lithium-ion battery. It uses professional-grade, high-energy cells and is intended for heavy-duty jobsite use.

The battery has no memory effect and virtually no self-discharge. A 3-LED state of charge indicator shows the battery's charge level. It works with all Craftsman V20 tools and equipment, and charges in 2 hours.

Capacity: 9 Ah
Voltage: 20 V (20V MAX)
Battery type: Lithium-ion
Charge time: 2 hours
Compatibility: All Craftsman V20 tools and equipment
Indicator: 3-LED state of charge indicator
Dimensions: 7.0 x 6.5 x 3.2 in (17.2 x 14.71 x 8.1 cm)
Weight: 2.2 lb (1.01 kg)
Color: Red
In the box: 1 CMCB209 battery