This exclusive Toolstop set contains 2 x Milwaukee M12 B2 2.0Ah Batteries and the C12 C Charger The Milwaukee M12 B2 2.0Ah batteries provide up to 2x more run time, 20% more power and up to 2x more recharges compared to other Lithium-Ion technologies. Overload protection prevents users from damaging their cordless power tool investment in abusive situations. The C12 C charger will fully recharge the included 2.0Ah battery packs in 40 minutes or less. M12 B2 Features: Sophisticated electronics: REDLINK intelligence Overload protection prevents user from damaging their cordless power tool investment in abusive situations Temperature management system keeps battery in ideal temperature range to provide maximum life Individual cell monitoring ensures optimal charge and discharge for maximum life Discharge protection prevents cell damage from over-discharge Up to 2x more run time, 20% more power and up to 2x more recharges compared with other Lithium-Ion technologies Integrated weld frame Cell separator Impact and vibration protective rubber C12 C Features: Temperature protection electronics optimises the charger rate in extreme temperatures to extend battery life Encapsulated circuit board protects the electronics from dust, moisture and impact Progressive charge indication: battery LED\'s light up incrementally to give feedback on current charge level of battery pack REDLITHIUM 2.0 Ah battery packs recharge in 40 min or less M12 B2 Specification: Battery pack capacity: 2.0Ah Battery type: Li-ion Charge time C12 C charger: 40 min System: M12 C12 C Specification: Charging ports: 1 x M12 Power source: AC System: M12