SKIL PWR CORE 20™ 20V 4.0Ah Lithium-Ion Battery, BY519601

LONGER RUN TIME & BATTERY LIFE - The PWR CORE 20™ Lithium Battery has an innovative temperature management system to keep the battery cool and powering on through your project ALWAYS KNOW CHARGE STATUS - Green LEDs show status, so you always know how much charge is left POWER UP 20V TOOLS - Pairs with any SKIL 20V product Specifications Voltage: 20V Battery Power Type: Lithium-ion Battery capacity: 4.0Ah Ah Battery energy (Watt Hour): 100 Number of battery cells: 10 Max. Tool Height (inch): 2.6 Max. Tool Length (inch): 4.77 Max. Tool Width (inch): 2.95 Tool Weight (pound): 1.62 Battery level indicator: Yes Cooling technology: Yes