High-Performance Custom LiPo Battery for Precision Electronics
Premium 3.7V lithium polymer battery with ultra-thin 403450 size (4.0mm x 34mm x 50mm), delivering reliable 650–700mAh capacity. Ideal for compact wearables, medical devices, and IoT gadgets requiring lightweight, high-energy-density power.
Advanced Safety & Durability
Features built-in PCM protection against overcharge/over-discharge, crafted with puncture-resistant polymer casing and precision-welded nickel tabs for stable conductivity.
Tailored for Demanding Applications
Customizable capacity (650/680/700mAh) and connector types. Perfect for drones, wireless earbuds, handheld scanners, and mini robotics.
Global Wholesale Advantage
Direct factory pricing with bulk discounts, certified to UN38.3/IEC62133. MOQ-friendly for OEM/ODM projects.
Why Us
Lowest global B2B rates, 10+ years in battery supply, fast logistics. Custom specs accepted.