3.7V 4400mAh 1S2P Li-ion Battery Pack with JST-PH 2.0 Connector

Description

Key Features

• High capacity – 4400mAh provides extended runtime for power‑hungry devices.

• Safe & reliable – Built‑in PCM prevents damage from overvoltage, undervoltage, and short circuits.

• Easy to install – Pre‑soldered JST‑PH 2.0 connector ensures a plug‑and‑play connection (positive polarity on the plug).

• Durable – Grade‑A 18650 cells with low internal resistance and long cycle life (≥500 cycles).

Compatible Applications

• Portable speakers, Bluetooth headsets

• Handheld fans, LED lights, and small power tools

• IoT sensors, Arduino/Raspberry Pi projects

• Replacement batteries for consumer electronics (e.g., GPS, cameras)

• Backup power packs and DIY power banks

Package Includes

• 1 × 1S2P 4400mAh Li-ion battery pack with JST‑PH connector and protection board

Safety Notes

• Do not short‑circuit the terminals.

• Use only with a compatible Li‑ion charger (CC/CV 4.2V).

• Avoid physical damage, high temperature, or water exposure.