Ultraxxis

Ultraxxis Upgrade 2-Pack 20V 8.0Ah Batteries — Replacement for Craftsman 20V Tools (CMCB204/202/201)

High-performance tools and home improvement made for confident daily results

$85.18

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Why customers choose TaskHolt Tools

Meet the Ultraxxis Upgrade 2-Pack 20V 8.0Ah batteries, a high-capacity replacement designed for Craftsman V20 MAX tools. Each pack delivers robust energy, enabling longer sessions between recharges while maintaining a balanced, lighter feel during use.

Key specifications

  • Chemistry: Lithium-ion
  • Voltage: 20-Volt
  • Capacity: 8000mAh / 8.0Ah (160Wh)
  • Compatibility: Craftsman V20 system and CMCB104 charger

Why choose Ultraxxis for Craftsman 20V tools

  • High capacity and energy density support longer run times between charges
  • Modern lithium-ion chemistry keeps weight down while delivering consistent power
  • LED indicator helps monitor battery status at a glance
  • No memory effect allows flexible charging cycles

Safety and reliability

  • Built-in microchip guards against overcharging and short circuits
  • Over-current protection enhances longevity
  • CE, FCC, and RoHS certifications for safe operation

Real-world use cases

Imagine tackling a weekend project where long run time matters—framing, decking, or cabinetry work becomes smoother with fewer interruptions. The lighter design reduces fatigue, and the LED indicator lets you plan the next recharge without guesswork.

These batteries are designed as a dependable replacement for Craftsman 20V tools, and they pair with the Craftsman V20 fast charger for quick top-ups when needed.

Customer support

We stand behind our 20V batteries with responsive support. If you have questions or need help, contact us and we will work to make it right.

FAQ

Q: Which tools are compatible with Ultraxxis Upgrade 2-Pack 20V 8.0Ah?

A: Compatible with Craftsman 20V V20 MAX tools and the CMCB104 fast charger (models CMCB204/202/201).

Q: What benefits does the Ultraxxis 8.0Ah battery offer?

A: High-capacity Li-ion cells deliver longer runtime; lighter than Ni-Cd; built-in protection and LED status indicator.