400mAh 3.7V Lithium Polymer Battery 25x25x5 mm 7g Rechargeable

Specification

• Voltage : 3.7V Rechargeable
• Size : 25x25x5 mm
• Weight : 7 gram

Description

A 400mAh 3.7V Lithium Polymer (LiPo) battery is a compact and lightweight power source commonly used in various electronic devices such as smartphones, tablets, portable media players, Bluetooth headsets, and wearable devices. The designation “400mAh” indicates the battery’s capacity to store electrical charge, while “3.7V” signifies its nominal voltage.

Here’s a breakdown of its key characteristics and considerations:

1. Capacity (mAh): The capacity of a battery is measured in milliampere-hours (mAh), indicating the amount of charge it can store. In this case, the battery has a capacity of 400mAh, meaning it can theoretically deliver 400 milliamps of current for one hour before becoming fully discharged. Higher capacity batteries generally provide longer runtime between charges.

2. Voltage (V): The nominal voltage of this battery is 3.7 volts, which is typical for lithium polymer batteries. However, the actual voltage may vary slightly depending on the charge level and load conditions. Many electronic devices are designed to operate within a specific voltage range, and this battery’s voltage falls within the acceptable range for most portable electronics.

3. Chemistry: Lithium polymer batteries are a type of rechargeable battery that uses a solid polymer electrolyte instead of a liquid electrolyte. This design offers advantages such as a thinner profile, lighter weight, and greater flexibility compared to traditional lithium-ion batteries. Additionally, LiPo batteries tend to have a higher energy density, providing more power in a smaller package.

4. Rechargeability: Like other lithium-ion batteries, lithium polymer batteries are rechargeable, allowing them to be reused multiple times. However, it’s essential to use a compatible charger specifically designed for LiPo batteries to ensure safe and efficient charging. Overcharging or discharging a LiPo battery beyond its recommended limits can lead to reduced performance, premature aging, or even safety hazards such as swelling or overheating.

5. Application: Due to its compact size, moderate capacity, and relatively high voltage, the 400mAh 3.7V LiPo battery is suitable for powering small, portable electronic devices with low to moderate power requirements. It can provide sufficient energy to support functions such as standby mode, data transmission, and intermittent use throughout the day. However, for devices with higher power demands or longer operating times, a battery with a larger capacity may be necessary.

6. Safety Considerations: While lithium polymer batteries offer excellent energy density and performance, they also require careful handling and usage to prevent accidents such as short circuits, overheating, or fires. Users should follow manufacturer recommendations for charging, storage, and disposal to minimize risks and ensure safe operation.

Overall, the 400mAh 3.7V Lithium Polymer battery strikes a balance between compact size, moderate capacity, and reliable performance, making it a popular choice for powering a wide range of portable electronic devices. However, users should always verify compatibility and adhere to safety guidelines to maximize the battery’s lifespan and minimize potential risks.