A 48V 31.2Ah Smart Lithium Battery with Bluetooth Connectivity is a high-performance energy storage solution commonly used for electric bikes, electric vehicles (EVs), 

Specifications:

Nominal Voltage: 48V
Capacity: 31.2Ah
Max. Charge Current: 6 to 10A
Charging Voltage: Typically 54.6V 
Cycle Life: 1000-1500
Weight: Approximately 10-20kg (depending on the configuration and battery type).

The 48V 31.2Ah Smart Lithium Battery with Bluetooth is a top-tier energy storage solution that combines high capacity, smart technology, and reliable safety features. Ideal for e-bikes, solar energy systems, and other electric vehicles, it offers a balance of performance, longevity, and ease of use with its Bluetooth connectivity. If you need a battery for extended range, real-time monitoring, and safety, this is an excellent choice.