Replacement for ML150LRS-A2165, 118-000-300 185-000-089, ML150LRS ML150LRS(X) LED Flashlight Rechargeable System. Specification: Battery Type: Lithium Iron Phosphate; Battery Voltage: 3.2V; Battery Capacity: 4000mAh; Battery Dimensions: 2.56' x 1.02' x1.02' (65 x 26 x 26 mm). Safe to Use: Kastar lithium-ion battery cells meets UL1642 & CE safety standards to ensure that your battery pack will be safe to use as a replacement for your unit. Comes with built-in over-charge, over-discharge, over-voltage, over-current, and over-heating protection circuit. Save Money & Time: Do not spend too much time and money on frequent brands with low quality replacement. With our longer run time & protection features, your cycle life will also be improved because you get quality product for your device.