dewalt 18v battery dcb2108. The best battery for heavy work double the power of powerstack .

The most powerfull for concrete drilling, saws, grinder, mtresaw dewalt battery.
HIGHLY EFFICIENT AND DURABLE: the DEWALT 18 volt - 8 Ah XR Li-ion battery DCB1880-XJ is designed with tabless cell technology that provides performance and efficiency for demanding applications; the 18 volt tabless battery with its 8 Ah capacity is a choice for professionals who need reliable and long-lasting performance

Powerful and efficient: As the most powerful battery from DEWALT it offers the longest service life in its class, so you can get the most out of your tools with every battery charge

Advanced battery protection: built-in protection against overheating, overloading and over-discharging extend the life of the battery, provide safety and reduce frequent replacement purchases

MAXIMUM PRODUCTIVITY: