High Quality 3.7V 4000mAh/14.8WH JUNENGXINXIN 103875 Battery For JUNENGXINXIN Smart watch children's toys

Do you want to buy a cheap JUNENGXINXIN 103875 Compatible battery? We offer you a cheap JUNENGXINXIN 103875 Compatible battery - an incredibly high quality Compatible battery! All JUNENGXINXIN 103875 are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test!

✔ Battery for 103875 Ships to Singapore

Product Overview

This battery is suitable as a replacement battery for JUNENGXINXIN Smart watch children's toys battery and JUNENGXINXIN 103875 model.

High capacity JUNENGXINXIN 103875 battery for longer standby time.

The battery is professionally tested to ensure the best lifespan.

1 year warranty, 30 days money back, 100% brand new!

Battery capacity (mAh/A/W) may be different; the more mAh/A/W it displays, the higher its autonomy.

Safety certified CE / FCC / RoHS.

Key Features

• High‑capacity design with 4000mAh/14.8WH for extended device runtime.
• Stable 3.7V output ensures consistent performance during daily use.
• Built with high‑quality lithium‑ion cells for improved durability and long cycle life.
• Advanced protection system including overcharge, over‑discharge, overheat, and short‑circuit safeguards.
• Optimized for reliable performance in warm and humid environments.
• Lightweight and compact design for easy installation and device compatibility.

Technical Specifications

Model	103875
Battery Condition	Brand New Replacement Battery
Item Code	20LE048_Oth
Category	Smart Watch Batteries
Brand	JUNENGXINXIN
Capacity	4000mAh/14.8WH
Voltage	3.7V
Type	Li-Polymer
Color	White
Size	Length 75mm * width 38mm * thickness 10mm
Applies to	JUNENGXINXIN Smart watch children's toys
Certification	Passed CE, UL, ROHS, ISO 9001/9002 and GS certification
Service	Buy now, we promise a one-year warranty and 30-day returns

Compatible Models

Replacement Part Numbers:

• 103875

Compatible Models：

For JUNENGXINXIN Smart watch children's toys

* Please make sure that the replacement battery you are buying is suitable for your device brand and model.

Battery Care & Maintenance

• Store the battery in a cool, dry environment to maintain long‑term performance.
• Avoid exposing the battery to excessive heat or direct sunlight, especially in warm and humid climates.
• Use compatible JUNENGXINXIN chargers or certified charging accessories to ensure safe and efficient charging.
• Avoid frequent full discharges; partial charge cycles help extend overall battery lifespan.
• If the battery will not be used for an extended period, keep it at around 40–60% charge before storage.
• Clean the battery contacts periodically with a dry cloth to maintain stable power delivery.
• Do not puncture, crush, or expose the battery to water or high humidity.

Frequently Asked Questions