Battery Specifications: These lithium-ion batteries operate at 20V with a capacity of 8Ah, are rechargeable, and come in a 2-pack. Broad Compatibility: The batteries are fully compatible with Dewalt 20V DCD, DCF, DCG, DCS series tools and DCB102, DCB107, DCB115, DCB118 chargers. Convenient Indicator: An integrated LED indicator allows for easy monitoring of remaining power, preventing unexpected work interruptions. Certified Safety: CE and RoHS certifications ensure protection against incorrect voltage, over-charging, over-discharging, over-current, and short-circuiting. Initial Charging: Batteries should be fully charged before initial use, as they are shipped with minimal power. Storage Recommendation: For prolonged storage, it is recommended to use the battery at least every two to three weeks.