This 505573 lithium polymer battery is a high-adaptability portable power source with excellent electrical performance and environmental compatibility. Boasting a nominal voltage of 3.7V and a nominal capacity of 2500mAh, it features a compact size of 50.155.576mm and a low AC internal resistance of only 150mΩ, ensuring stable energy output and low power loss during charge and discharge cycles.

 

Engineered with advanced lithium polymer technology and soft-package aluminum plastic film encapsulation, the battery delivers reliable safety and structural flexibility. For charging, it has a charge cut-off voltage of 4.2V and a maximum continuous charging current of 2500mA (1C), with a suitable charging temperature range of 0℃～+45℃, enabling efficient and stable charging without excessive heat generation. In terms of discharging, it has a discharge cut-off voltage of 2.5V and a maximum continuous discharging current of 2500mA (1C), and supports a wider working temperature range of -20℃～+55℃. It can maintain stable power output in both low and high temperature environments, adapting to various application conditions and regional usage requirements.

 

The battery excels in durability with a cycle performance of no less than 300 charge-discharge cycles, retaining stable capacity and voltage output after repeated cycles, which effectively extends the service life of the powered equipment. Its standardized specifications, including dimension, voltage and charge-discharge current, make it a cost-effective power solution for a wide range of small electronic devices, such as portable digital products, mini smart hardware and handheld instruments, perfectly matching the power demand of various portable devices with its stable performance and strong adaptability.