Bosch Li-Ion Power Tool Batteries

Bat621 Hero 5409f17d035a5
Bosch2 10163588

Power tool professionals continue to look for increased battery power and runtime capabilities for power hungry-system tools and all-day driving and drilling. Bosch answers this need with the BAT621 5.0 Ah 18V Lithium-ion FatPack battery.
• Features the patented CoolPack technology for 100 percent longer recharge life
• Compatible with Bosch 18V Lithium-ion power tools
• Built with high capacity low-resistance lithium-ion cells which increase the overall capacity from the current 4.0 Ah batteries by 25 percent
• For professionals, this means improved runtime and performance for all tools, especially system tools such as rotary hammers, impact drivers, reciprocating saws and more
• The BAT621 maintains an identical size and weight footprint of the previous Bosch 4.0 Ah and 3.0 Ah 18V batteries

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