[LET’S DO THE WORK] CAT Cordless Outdoor Power Equipment products use cutting-edge batteries to maximize performance and power, all while providing a longer run time to get the job done [SMARTLINK] The brain of the CAT 60V Battery Pack. SmartLink protects against max discharge current & max charging current, monitors individual cells for voltage & temperature, while monitoring the full battery pack for state of charge & state of health [TEMP CONTROL] Thermoplastic HDPE (High Density Polyethylene) fully encapsulates every cell to draw heat away, allowing cells to stay cooler longer, increasing efficiency & run time [CAT BATTERY TECHNOLOGY] 100% compatible with all Cat Outdoor Power Equipment products. Designed for maximum performance. Charger includes internal fan for faster charging and less down time [CELL PROTECTION] Fully enclosed protection providing increased security against vibration, impact, water entrance and thermal runaway [STATE OF CHARGE INDICATOR] Immediate state of charge reading with a simple push of a button [CAT PROPRIETARY BATTERY] CAT batteries operate in all CAT 60V products and will not operate in other brands [WARRANTY] 3-year battery warranty [INCLUDES] 60V CAT 2.5Ah Lithium-Ion Battery (DG6B25)