2pcs x 3.7V 803035 850mAh Li-polymer Battery NTC 3-Wires Thermistor JST 3Pin Connector

Description

Product Overview
This high‑quality 3.7V 850mAh (3.14Wh) lithium‑polymer rechargeable battery is engineered for reliable performance in compact electronic devices. Equipped with a 3‑wire NTC thermistor and a JST 3‑pin connector (pitch dependent on model – please verify), it offers integrated temperature monitoring to protect against overheating during charging or discharging. The battery measures just 35mm × 30mm × 8mm, making it an excellent fit for space‑constrained applications.

Key Specifications

Features & Benefits

• Integrated NTC thermistor – Provides real‑time temperature feedback to the charging circuit, preventing thermal runaway and extending battery life.

• High energy density – Polymer construction delivers 850mAh capacity in a slim profile, ensuring long runtime for power‑hungry gadgets.

• Standard JST interface – The 3‑pin connector allows easy integration with many consumer electronics, DIY boards, and drone power systems.

• Reliable performance – Each cell is rigorously tested for capacity, voltage, and internal resistance before shipment.

• Peace of mind – Backed by a 15‑month warranty, so you can order with confidence.

Typical Applications

• Mini drones, quadcopters, and RC vehicles

• Wireless toys and remote‑controlled models

• Portable audio devices (MP3 players, Bluetooth speakers)

• Wearables, smart sensors, and small IoT gadgets

• Backup power for handheld instruments

Package Contents

• 2 × 3.7V 850mAh Li‑Po battery with JST 3‑pin connector and NTC thermistor (pre‑wired)

Safety & Usage Notes

• Charge only with a compatible Li‑Po charger (CC/CV, 4.2V cutoff) that supports NTC temperature sensing.

• Do not short‑circuit the output terminals.

• Avoid physical damage, high temperature, or moisture.

• Store in a cool, dry place when not in use for extended periods.