Bonadget 2 x 18V 5.5Ah BL1850B Batteries + 6A DC18RD Dual Port Charger Compatible with BL1830 Battery 14.4V-18V BL1850 BL1830 BL1840 BL1860 and DC18RD DC18RC DC18RCT DC18RF DC18SF Charger

Battery Technical Specifications Battery type: Lithium-Ion | Voltage: 18V | Capacity: 5500mAh / 5.5Ah | Package includes: 2x 5500mAh Replacement battery compatible with BL1830 18v batteries

Charger Technical Specification Input: 100 ~ 260V 50/60Hz, Output: 14.4V~18V(Li-Ion), Charging current: 6 A [UK plug]

Compatibility 2 Batteries compatible with BL1830 18v BL1830 BL1850 BL1860 BL1820 BL1825 BL1835 BL1840 BL1845 LXT400 ect. Dual Port DC18RD Charger replacement for LXT battery & charger DC18RC DC18RCT DC18RA DC18RD. Have the same performance with the original equipment

Lightweight and No Memory Effect 40 per cent lighter than Ni-Mh. The Li-ion has minimal depletion of power during use or in storage over it's lifetime. Anytime charge, no memory effect and no discharging required. Multi-contact terminals to ensure stable current supply to the tool

Fast ChargingDC18RD is a two port fast charger that is able to charge two battery slide style Li-ion and Ni-MH batteries at the same time, as fast as DC18RC charges one battery.Warm Note -- Just after using the battery, the battery will heat up. This is a normal phenomenon. Please do not charge it immediately, otherwise, it will affect the battery life. NOTE: Wait 15-20mins to cool before charging.