Bosch 18V Li-Ion 4.0Ah Fat Pack Battery, DISCONTINUED

SKU: M258914 BAT620

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M258914 BAT620

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This product has been discontinued. Midwest can source a wide range of items not listed on our web site or in our catalog. Please call customer service for details at (800) 831-5904.

Bosch  The new 4.0 Ah 18V Bosch SlimPack battery offers up to 65% more runtime (compared to Bosch 3.0 Ah) and 2x longer life with unique Cool Pack™ design technology. The advanced heat conductive housing keeps the battery cooler for long life. An integrated fuel gauge makes checking charge status quick and easy. And working in cold weather is no issue down to -4°F. The BAT620 is compatible with all Bosch 18V Lithium-Ion power tools, radios and more.

  • Up to 65% more run time (compared to Bosch 3.0 Ah)
  • Unique CoolPack™ heat conductive housing keeps battery cooler, lives up to 2x longer
  • Integrated fuel gauge for fast and easy charge status
  • Cold weather operation down to -4°F
  • Durable housing survives 3 meter drop
  • Flexible power system (FPS) works with all Bosch 18 V Lithium-Ion tools

Battery Voltage: 18
Ah Capacity: 4.0
Battery Chemistry: Lithium-Ion


  • View the Safety Data Sheet (SDS) View the Safety Data Sheet (SDS) Download