Tiny 3.7V 300mAh Li Poly Rechargeable Battery Pack for Mini Electronics
Compact 3.7V 600mAh Li-Polymer Battery Pack for Bluetooth Headsets & Fitness Trackers LP-402933-1S-3 Li Polymer Battery, a premium 3.7V 300mAh energy solution engineered for ultra-compact portable devices. Leveraging advanced lithium polymer technology, this battery merges slim flexibility, reliable performance, and inherent safety—making it the ideal power source for tiny wearables, IoT sensors, and mini consumer gadgets that demand space-saving design without compromising
Shenzhen BAKTH Technology Co., Ltd. was established in 2002. For 21 years, we've specialized in battery pack assembly and PCM/BMS design and production. Our 5,000-square-meter factory features automated production lines and SMT assembly capabilities.

ISO9001, ISO14001, UL, BIS, KC, USTC, CE, CB - our battery packs have reliable quality assurance.
No limitation - we offer competitive pricing based on order quantity. Sample orders are welcome to test our quality before bulk orders.
Standard warranty is 12 months (negotiable for special products). Our complete production process ensures quality before shipment.
Standard products: 3-4 weeks for samples (depending on cell availability), 5-8 weeks for bulk orders (varies by model and quantity).
Yes - our professional R&D team can provide customized solutions according to your requirements.

