2Packs Upgraded 5.0Ah 18V BL1850B with LED Replacement Lithium-ion Battery Compatible with Makita 18 Volt Battery for Compatible Makita 18V Lithium-Ion Cordless Power Tools
3:Battery Protections: Made with high quality battery cells, Built-in protection against overcharge, over-discharge, over-current provides short- circuit protection and constant voltage circuit.
4:LED Charge level indicator: Power display can show remaining power in order to avoid over-charging & over-discharging.
5:Professional After-Sale Service 24-hour friendly customer service , Conditional refund or replacement for a new battery if there is any quality problem. Any problem with using the battery, please feel free to contact us.