Package Includes: Please check the selection and selection picture. Please choose carefully. Product Description: Kastar High Quality Battery: 1. High Capacity: Kastar super high capacity battery will power your flashlight for much longer, it can run for up to 75 hours on a single charge of its state-of-the-art Lithium Iron Phosphate (LiFePO4) battery. 2. Specification: Battery Type: Lithium Iron Phosphate battery; Battery Voltage: 6.4V; Battery Capacity: 3800mAh (3.8Ah 24.32Wh). 3. Safe to Use: Kastar Lithium Iron Phosphate battery cells meets UL1642 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. 4. 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 flashlight. Compatible with: Compatible with the following Models / Part Numbers: Maglite ML150LR LED Flashlight Rechargeable SystemMaglite ML150LR-1019 Black Rechargeable Led General Purpose HandheldMaglite ML150LR(X) Rechargeable LED Fast-Charging FlashlightMaglite ML150LR-A2155 Rechargeable Battery StickMagLite ACC/PK Lithium Iron Phosphate (LiFePO4) battery Notice: If any questions, please feel free to contact us, our friendly and hassle-free customer service will work hard to put a smile on your face.Thank you very much!