Bosch GBA18V40 18-Volt CORE18V Lithium-Ion 4.0 Ah Compact Battery 9530

Compact 18V Li-ion battery – engineered to provide next-gen power and runtime, while losing the weight, for optimized performance
High-power cells – use enhanced 21700 cell technology, combined with advanced battery design for greater efficiency
Cutting-edge cell design – engineered to improve performance in tools used on jobsite all day, plus CoolPack 2.0 heat management
Bosch-exclusive CoolPack 2.0 technology – cooling the battery 15% faster than previous 4.0 Ah double-layer versions
Lightest high-power battery – weighs only 1.15 Lb., but provides performance comparable to much heavier batteries
System compatibility – features compatibility with all Bosch 18 V Lithium-ion tools and chargers
Cold weather operation – works in cold weather conditions down to -4° F

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