The new Bosch CORE18V battery is engineered to offer maximum power and performance while minimizing weight, the company said. The 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. Bosch CORE18V batteries provide 100 percent compatibility with all 18-volt Bosch Lithium-ion tools and chargers.