Bosch GBA18V63 CORE18V 6.3 Ah Battery Sets Global Standard for Power and Runtime in Professional-Grade Battery Technology

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The Bosch CORE18V Battery offers maximum power and performance while minimizing weight, an achievement that proves its claim as the best-built battery among leading competitors. The battery employs advanced Lithium-ion technology to deliver 80 percent more power than previous generation Bosch batteries. Next-generation, high-powered Bosch CORE18V cells are laser-welded and rail-connected for high efficiency, allowing CORE18V batteries to deliver better performance than competitive batteries that have up to 24 percent more weight and are up to 35 percent larger.1

  • Click to Tweet: New @BoschToolsNA GBA18V630 #CORE18V Battery: maximum power, lowest weight, most compact  #constructiontech

The Bosch CORE18V Battery offers optimized cell technology and an improved power connector within the 10 high-density cells that ensure lower internal resistance. That means higher currents can be drawn from the cells over a longer period of time.


Greater Performance, More Runtime

Bosch has answered the need for stronger and longer-lasting battery performance in high-load applications, where cordless tools have previously been unable to provide enough power and runtime. The Bosch CORE18V Battery delivers up to 20 percent longer runtime than previous-generation Bosch 6.0 Ah batteries and up to 50 percent longer than 5.0 Ah cells in extreme applications.2 Thanks to its next-generation cell technology and power efficiency, the CORE18V battery can generate more current to finish jobs that other batteries can’t. In addition, it’s the most compact and lightweight high-power battery available.3

“Bosch looks at battery power from the user perspective. What do users want? They want greater power and more runtime in a compact size, which is what CORE18V is all about,” said Theron Sherrod, product manager, Robert Bosch Tool Corporation. “CORE18V represents a big piece of the Bosch effort to build end-to-end product systems that offer superior performance, no matter what the job is. Based on increased power and runtime, plus backward compatibility across the full power tool lineup, we feel this is a step beyond battery power systems that are currently available.”

The battery housing of Bosch CORE18V is designed to transfer more heat to the outer surface, resulting in up to 35 percent better cooling effect than previous CoolPack batteries. The CoolPack 2.0 system employs advanced design to keep the battery cooler for better runtime and longer life; updated CoolPack technology provides up to 135 percent longer battery life than batteries that don’t have CoolPack technology.

In addition, this technology combined with reduced resistance and higher efficiency means that the battery is less likely to overheat during high-load applications.

Bosch CORE18V batteries provide 100 percent compatibility with all 18-volt Bosch Lithium-ion tools and chargers. Bosch is developing high-power tools to take full advantage of CORE battery technology.

To learn more about the Bosch GBA18V63 CORE18V 18V 6.3 Ah Battery or to find a local dealer, visit or call 877-BOSCH-99. Check out for additional tips and videos.

Bosch CORE18V 18V 6.3 Ah Battery Fact Box

Product Rating Capacity Fuel Gauge Temperature Usage Runtime vs Previous Bosch Price
CORE18V 18V 6.3 Ah Battery 18V 6.3 Ah Yes down to -4F 20% ≥ 6.0 Ah; 50% ≥ 5.0 Ah US: $149

Canada: $199


1vs DeWalt FLEXVOLT 6.0 Ah and Milwaukee 9.0 Ah

2Based on independent testing – Intertek 2016 – runtime 5.0 Ah and 6.0 Ah

3vs DeWalt FLEXVOLT 6.0 Ah and Milwaukee 9.0 Ah


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