battery 3.7v

High‑Performance 3.7V Li‑Ion Battery – Compact Power for Pro Users

Designed for precision applications, this 3.7 V lithium‑ion cell delivers a stable, high‑energy density power source in a compact form factor. Its nominal voltage of 3.70 V and tightly controlled chemistry (Li‑Co‑O2 or Li‑Fe‑S2) ensure consistent power delivery for sensitive electronics, minimizing voltage sags during peak load. The cell is engineered with a built‑in safety management IC that monitors temperature, SOC, and over‑current conditions, making it ideal for professional, battery‑powered systems that demand reliability.

The battery features a typical capacity range of 3000–3500 mAh and can safely provide up to 3 A of discharge current for most low‑to‑mid‑power devices. Its sealed construction protects against over‑discharge and internal short circuits, while the standard connector or press‑fit geometry allows for quick swapping in modular designs. Its low self‑discharge rate (<0.1 %/month) maintains charge for extended deployments, making it suitable for long‑term IoT nodes and backup power modules.

• Nominal Voltage: 3.70 V (Li‑Ion)
• Capacity: 3,000–3,500 mAh (typical)
• Max Continuous Discharge: 3 A (30 % of capacity)
• Common Use Case: Portable handheld devices, wireless transmitters, industrial sensors, and R/C radio gear.