About this item

• High Capacity Lithium Battery: This upgraded 4000mAh, 20V lithium battery, has twice the capacity of a regular 2000mAh battery. It provides a longer runtime and better durability, ensuring you can tackle every job and enjoy every trip without worrying about insufficient power.
• Dual Charging Method: This battery can be conveniently charged with either AstroAI¡¯s proprietary charger or a standard USB Type-C cable. This versatility allows you to recharge it anytime, anywhere. (Note: the AstroAI proprietary charger and type-C cable are not included.)
• Great Compatibility: The 4Ah rechargeable battery is compatible with several AstroAI products, including model JY23P160-2301812, JY16P160-18, LS40791, AIRUN TC3 and the AIRUN TC4. This battery pack provides great convenience, reliability, and output- whatever your power needs are. This is a great addition to the toolbox for families, trips, and the outdoors.
• Safety and Durability: This battery pack features overheat protection, overcharge protection, and short circuit protection; when any of these occur, it automatically shuts off to ensure your safety. It also features LED battery indicators that display the battery level in real-time, helping you better monitor power levels. The built-in BMS system prolongs the battery's service life.
• Power Bank Function: This battery¡¯s USB output function can be used to conveniently recharge portable electronics like tablets, portable gaming consoles, and phones- making it extremely useful in emergencies.