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  • Quality 503450 3.7V 1000mAh Lithium Polymer LiPo Battery Pack with JST Connector | Rechargeable Replacement Battery for GPS Tracker, Bluetooth Speaker, Mini LED Light, Smart Wearable Devices factory

503450 3.7V 1000mAh Lithium Polymer LiPo Battery Pack with JST Connector | Rechargeable Replacement Battery for GPS Tracker, Bluetooth Speaker, Mini LED Light, Smart Wearable Devices

Basic Properties
Place of Origin: Shenzhen, China
Brand Name: MEISAEN
Certification: CE, RoHS, UN38.3, MSDS, IEC 62619
Trading Properties
Minimum Order Quantity: 100PCS
Supply Ability: 3000 Pieces per Month
Tags

Li Polymer Battery Pack

Rechargeable Li Polymer Battery

Lithium Polymer Battery Pack
Specifications
High Light:

3.7V 1000mAh LiPo battery with JST connector

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rechargeable LiPo battery for GPS tracker

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Lithium Polymer battery pack for smart wearables
Product Description

Model 503450 3.7V 1000mAh lithium polymer battery equipped with built-in protective PCB and 2Pin JST connector. Features low self-discharge, steady voltage output, perfect replacement battery for portable GPS locators, Bluetooth speakers, night lights, wearable gadgets and electronic DIY projects. Custom wire length, plugs and battery specifications are available for OEM bulk orders.

Product Specifications

  • Model No.: 503450
  • Nominal Voltage: 3.7V
  • Rated Capacity: 1000mAh
  • Rated Energy: 3.7Wh
  • Cell Type: Soft Pouch Lithium Polymer (Li-Po) Battery
  • Protection Function: Integrated PCB board for overcharge, over-discharge, over-current & short-circuit protection
  • Output: Red & Black Silicone Wire + 2Pin JST Plastic Connector
  • Cell Size: 5.0mm34mm50mm
  • Cycle Life: ≥500 charge cycles
  • Production Date: 2026-07
  • Customization: Custom wire length, connector type, capacity, shape and logo printing are supported

Core Selling Advantages

✅ Full Safety Protection Design

Built-in protection circuit prevents overcharging, overdischarging, short circuit and overheating, effectively avoid battery swelling and safety hazards for terminal equipment.

✅ Low Self-Discharge Rate

Excellent long-term standby performance, ideal for positioning trackers, alarm sensors and devices that stay idle for a long time.

✅ Lightweight Flexible Soft Package

Thin pouch battery structure, easy to install inside compact equipment shells for product assembly or battery replacement repair.

✅ Ready-to-Use Pre-Wired Cable

Finished wires and connector directly from factory, no extra soldering needed for quick battery swap.

✅ Stable Batch Consistency

Each cell undergoes capacity screening and aging testing, stable performance for mass production assembly and after-sales replacement market.

Application Scenarios

  • Portable GPS Trackers & Personal/Vehicle Location Devices
  • Bluetooth Speakers, Portable Bluetooth Audio Equipment
  • Mini LED Night Lights, Outdoor Emergency Lamps
  • Smart Home Sensors, Infrared Anti-theft Alarms
  • Portable Medical Monitoring Devices
  • Smart Watches, Sports Cameras & Wearable Electronics
  • Electronic DIY Modification, Small Power Supply Modules

Safety Precautions

  1. Only use dedicated 3.7V lithium polymer charger for charging.
  2. Do not puncture, squeeze, disassemble the battery or short-circuit positive and negative poles.
  3. Store the battery in a cool and dry place for long-term storage.
  4. Keep away from high temperature, open flame and humid working environment.
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Mr. gaojianchao

Battery Sales Representative