Hello Battery has the largest selection of in-stock lithium polymer cells for product development in the world. These are not the high-discharge-rate cells used for RC hobbies, but are those typically used in cell phones, Bluetooth, and similar applications.

Lithium ion cells are used in a wide variety of portable equipment and instruments. Lithium polymer cells have a better form factor than cylindrical cells for a variety of applications, such as cell phones, PDAs, cameras.

Features:
1. High operating voltage (3.7V average, 4.2 volts peak)
2. Energy density is high, volumetric energy density of 350Wh/L and gravimetric energy
density of 135Wh/kg.
3. No memory effect
4. Self-discharge is less than 2% per month
5. Charge/discharge cycle characteristics are excellent
6. Safety characteristics are excellent
7. The battery has a wide discharging temperature range of -20 °C to +60 °C