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Shenzhen BAK Technology Co., Ltd.

  • China,Shenzhen ,Guangdong
  • Verified Supplier
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China Tiny 3.7V 300mAh Li Poly Rechargeable Battery Pack for Mini Electronics
China Tiny 3.7V 300mAh Li Poly Rechargeable Battery Pack for Mini Electronics

  1. China Tiny 3.7V 300mAh Li Poly Rechargeable Battery Pack for Mini Electronics
  2. China Tiny 3.7V 300mAh Li Poly Rechargeable Battery Pack for Mini Electronics
  3. China Tiny 3.7V 300mAh Li Poly Rechargeable Battery Pack for Mini Electronics
  4. China Tiny 3.7V 300mAh Li Poly Rechargeable Battery Pack for Mini Electronics

Tiny 3.7V 300mAh Li Poly Rechargeable Battery Pack for Mini Electronics

  1. MOQ: 2 Piece
  2. Price:
  3. Get Latest Price
Payment Terms T/T
Supply Ability 1000PCS/Month
Delivery Time 35~45 days
Packaging Details 1pc/individual
Type Li-po Battery
Model NO. LP-402933-1S-3
Nominal Voltage 3.7V
Nominal Capacity 300 mAh
Power Capacity 1.11 Wh
Max. charging voltage 4.2V
Discharge Cut-off voltage 2.5V
Dimension Approx 4.3*30*35 mm
Weight Approx 12g
Sample Available
Brand Name BAKTH / Neutral / OEM
Model Number LP-402933-1S-3
Place of Origin Dongguan China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 1000PCS/Month
Delivery Time 35~45 days Packaging Details 1pc/individual
Type Li-po Battery Model NO. LP-402933-1S-3
Nominal Voltage 3.7V Nominal Capacity 300 mAh
Power Capacity 1.11 Wh Max. charging voltage 4.2V
Discharge Cut-off voltage 2.5V Dimension Approx 4.3*30*35 mm
Weight Approx 12g Sample Available
Brand Name BAKTH / Neutral / OEM Model Number LP-402933-1S-3
Place of Origin Dongguan China
High Light 3.7V 300mAh Li Poly batteryrechargeable battery pack for mini electronicsLi Polymer battery pack with warranty
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 runtime.

Crafted with high-grade li-polymer cells and a 1S single-cell configuration, this battery delivers a nominal 3.7V voltage (4.2V full charge) and 300mAh capacity (1.11Wh energy output), ensuring stable power supply for low-drain devices. Its ultra-slim prismatic form factor (4.3*30*35 mm) and flexible pouch design set it apart from rigid cylindrical batteries, allowing seamless integration into tight or irregular device enclosures—such as true wireless earbuds, mini smartwatches, and micro IoT beacons. Weighing only 12g, it adds minimal bulk to portable gadgets, preserving their sleek and ergonomic design.
Ideal For:
  • Wearable Technology: True wireless earbuds, smart hearing aids, mini fitness trackers, and compact smartwatches.
  • IoT & Sensors: Micro Bluetooth beacons, environmental monitoring sensors (temperature/humidity), and small GPS trackers.
  • Portable Medical Devices: Mini glucose meters, portable pulse oximeters, and small health monitors.
  • Compact Consumer Gadgets: Mini LED flashlights, portable keychain speakers, and tiny handheld game consoles.
  • DIY & Custom Projects: Small drones (micro models), Arduino-based gadgets, and custom wearable prototypes.


 

About Us

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.

BAKTH Technology battery production facility
Certifications


FAQ
What kind of certificate your battery pack owned?

ISO9001, ISO14001, UL, BIS, KC, USTC, CE, CB - our battery packs have reliable quality assurance.

Do you have MOQ?

No limitation - we offer competitive pricing based on order quantity. Sample orders are welcome to test our quality before bulk orders.

What's the warranty? How can we guarantee quality?

Standard warranty is 12 months (negotiable for special products). Our complete production process ensures quality before shipment.

What's the lead time?

Standard products: 3-4 weeks for samples (depending on cell availability), 5-8 weeks for bulk orders (varies by model and quantity).

Can we have our own Logo on the battery pack? Can you accept customized battery?

Yes - our professional R&D team can provide customized solutions according to your requirements.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    2002

  • Total Annual:

    15000000-20000000

  • Employee Number:

    100~199

  • Ecer Certification:

    Verified Supplier

Shenzhen BAK Technology Co., Ltd. founded in 2002, with more than 22 years experience in design and production of battery packs and PCB/BMS. BAKTH has its own R&D team, advance production & testing facilities. A fully automatic SMT line was introduced in 2021, further enhanced BAKTH producti... Shenzhen BAK Technology Co., Ltd. founded in 2002, with more than 22 years experience in design and production of battery packs and PCB/BMS. BAKTH has its own R&D team, advance production & testing facilities. A fully automatic SMT line was introduced in 2021, further enhanced BAKTH producti...

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Get in touch with us

  • Reach Us
  • Shenzhen BAK Technology Co., Ltd.
  • RM 2201, Longshenghengbo Center, Jianshe East Road and Bulong Road Intersection, Longhua District, Shenzhen, Guangdong, China
  • https://www.bakthbattery.com/

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