Shenzhen BAK Technology Co., Ltd.
                                                                                                           
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24 Years
Since 2002
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BAKTH-LP-102128, 3.7V, 430mAh, 1.59Wh

Price Negotiable
Price: US$1.85
MOQ: 2PCS
Delivery Time: 15~20days
Brand: BAKTH
Product Description
Product Overview:
The ‌BAKTH-LP-102128‌ is a compact ‌3.7V 430mAh (1.59Wh)‌ rechargeable lithium-ion battery, commonly used in ultra-lightweight and space-constrained electronic devices. With a ‌single-cell (1S)‌ configuration, it delivers a nominal voltage typical of small consumer electronics, making it ideal for low-power applications where size and weight are critical.

Description:
Weight 10 g
Dimensions 10 × 22 × 31 mm
Type Li-Po
Power   Capability 430 mAh
Power   Capacity 1Wh
Voltage 3.7V
Max.   charging voltage 4.2V
Cut-off   voltage 2.8V
Cycles   Life 300+

 

Physical and Application Profile

This battery is typically housed in a ‌prismatic or pouch cell‌ design, emphasizing ‌minimal thickness and light weight‌—often under ‌20g‌. It is widely integrated into:

  • Wearable devices‌: smartwatches, fitness trackers, hearables
  • Miniature drones and toy-grade RC models
  • Bluetooth accessories‌: earbuds, remotes, mini speakers
  • IoT sensors and medical wearables‌: temperature monitors, patch devices

Its compact form factor requires precise fitment, so users must verify ‌physical dimensions, connector type (e.g., JST-PH 2.0mm), and polarity‌ before replacement or integration.

Charging and Safety Considerations

To ensure safety and longevity:

  • Use a ‌constant current/constant voltage (CC/CV) charger‌ set to ‌3.7V (4.2V full charge)
  • Charge at ‌0.5C–1C rate (215mA–430mA)‌ to avoid overheating
  • Store at ‌3.7–3.8V (partial charge)‌ in a cool, dry environment
  • Avoid over-discharge below ‌3.0V‌ to prevent cell damage

The battery may include ‌built-in protection circuits‌ against overcharge and short circuits, but external PCM integration is recommended in custom applications.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen BAK Technology Co., Ltd.
Location RM 2201, Longshenghengbo Center, Jianshe East Road and Bulong Road Intersection, Longhua District, Shenzhen, Guangdong, China
Contact Person Dong

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