3.7V 800mAh Rechargeable Lithium Battery

3.7V 800mAh Rechargeable Lithium Battery 

The 3.7V 800mAh lithium-ion rechargeable battery is a compact, high-performance power solution designed for use in low-power embedded systems, wearable electronics, IoT projects, and various portable applications. Its small form factor and high energy density make it perfect for devices where space and weight are critical.

This battery provides a stable 3.7 volts output and a storage capacity of 800 milliamp-hours, which means it can efficiently power microcontroller-based systems, small motors, sensors, and communication modules over extended periods. It’s an ideal power supply for hobby electronics, robotics kits, remote sensors, smart wearable projects, and miniaturized systems.

Technical Specifications:

• Rated Voltage: 3.7V DC

• Capacity: 800 mAh

• Battery Type: Lithium-ion (Li-ion)

• Rechargeable: Yes

• Cycle Life: 500+ charge/discharge cycles

• Charging Voltage: 4.2V (standard Li-ion charging)

• Discharge Protection: Optional protection circuit may be included

• Output Wires: Red (positive) and Black (negative)

Why Choose This Battery?

• Compact & Lightweight – Easily fits into small enclosures

• Rechargeable – Saves money and reduces electronic waste

• Stable Power Delivery – Suitable for voltage-sensitive components

• Low Self-discharge – Retains charge longer during storage

• Versatile Use Cases – Works with various development boards and sensors

Applications:

• IoT devices and prototypes

• Arduino, ESP8266, ESP32 powered gadgets

• Portable audio and Bluetooth speakers

• GPS tracking systems

• Wireless camera modules

• Health monitoring wearables

• DIY smart home devices

• RC toys and mini drones

Safety Tips:

• Do not puncture, short-circuit, or overcharge the battery

• Always use a compatible charger with correct voltage rating

• Store in a cool, dry place

• Keep away from direct sunlight and heat sources

• If battery appears swollen or damaged, discontinue use immediately

Key Features:

• Rechargeable up to 500+ cycles

• High energy density in a small package

• Built-in protection circuit (optional)

• Easy to integrate into compact designs

• Low self-discharge rate

To Learn More Visit our Website

For more information:-www.mifraelectronics.com