Charge Indicator Li-ion Technology Long Life without Memory Recommended to All Excel 18V Battery Series Excel 18V 5.0Ah Li-ion Battery EXL550 Key Features Design: Excel long life 5.0Ah lithium-ion battery with charge indicator can be charged or discharged as needed without loss of capacity. Suitability: Recommended to all Excel 18V battery series. Widely Application: Suitable for Impact Drill, Impact Wrench, Impact Driver, LED Torch, Angle Grinder, Jig Saw, Multi-Tool, Circular Saw, Sabre Saw, Planer, Nail Gun, SDS Rotary Hammer. Specification Brand: Excel Voltage: 18V Battery Type: Li-ion Battery Capacity: 5.0Ah