2Pack 20V 3600mAh CMCB205 Replacement Batteries with Charger

In this review the focus is on a 2-pack replacement battery kit designed for Craftsman V20 tools that includes a charger and aims to restore runtime for cordless tools. The reviewer found that the set is best for homeowners and hobbyists who need dependable backup power without paying dealer prices; the single biggest reason to buy is simple: two 3600mAh lithium-ion cells plus a fast 2A charger deliver extended runtime and quick turnaround between jobs. The review highlights real-world compatibility and charging behavior rather than marketing claims.

Key Features

• Capacity: Each battery is 3600mAh, providing longer runtime on demanding tasks compared with smaller V20 packs.
• Voltage: The 20 volt rating matches Craftsman V20 tools so users get full tool performance without voltage loss.
• Fast charging: The included upgraded 2A charger recharges compact V20 batteries in about 1-2 hours, reducing downtime on the job.
• Compatibility: The pack works with a broad range of V20 cordless tools listed in the product notes, making it a versatile spare set for a tool collection.
• Safety features: The charger has LED indicators and built-in protections against overheating, overcharge and short circuit for safer charging.
• Complete kit: The package includes two replacement batteries, one charger and a user manual so users can install and charge right away.

Who It's For

This kit is best suited for homeowners, DIYers and small job contractors who already own Craftsman V20 series cordless tools and need reliable spare batteries to keep multiple tools running. The longer 3600mAh capacity makes it useful for tasks like lawn care, framing or frequent drill use where a standard compact pack runs out too quickly.

Those who should look elsewhere include owners of Craftsman 20V max Bolt-On or DieHard series tools, since the pack is not compatible with those proprietary formats, and professional tradespeople who require OEM warranty support or specialized battery management from the original manufacturer.

Pros & Cons

Pros

• Two high-capacity 3600mAh batteries provide extended runtime for V20 tools.
• The 2A fast charger reduces charge time to roughly 1-2 hours for compact V20 packs.
• Built-in charger protections and LED indicators make charging straightforward and safer.
• Includes everything needed in one box so users can replace and charge batteries immediately.

Cons

• Not compatible with Craftsman 20V max Bolt-On or DieHard series, limiting fit for some owners.
• As a third-party replacement, some users may prefer OEM packs for warranty or long-term service assurances.

Specifications

Battery Type	Lithium-ion
Capacity	3600mAh
Voltage	20 Volt
Wattage	72Wh
Charger	Upgraded 2A fast charger, 110V-220V input, LED indicator
Package Contents	2 x replacement battery, 1 x charger, 1 x user manual

Our Verdict

This 2-pack replacement with charger is a practical, cost-effective option for V20 tool owners who need extra runtime and faster recharge cycles. It delivers solid capacity, broad V20 compatibility and a safe, quick charger, making it good value for homeowners and DIYers; however, owners of Bolt-On or DieHard formats should verify fit before purchasing.

Frequently Asked Questions

Will these batteries fit my Craftsman V20 tools?
They fit a wide range of Craftsman V20 max tools listed in the product notes but will not fit Craftsman 20V max Bolt-On or DieHard series.

How long does the charger take to refill a battery?
The upgraded 2A charger recharges compact V20 batteries in about 1-2 hours depending on remaining charge and battery condition.

Are there safety protections in the charger?
Yes, the charger includes built-in protections against overheating, overcharge and short circuit and uses LED indicators to show charging status.