• Shenzhen BAK Technology Co., Ltd.
    Kallista
    I'm going to keep this sweet & short! I have never experienced such excellent customer service with a out of country supplier. This company has gone far and beyond to meet the needs of their customers. Their response time with all my concerns were addressed immediately 100%within 1-24 hours and the shipping time was EXCELLENT!
Contact Person : Dong
Phone Number : +86 13828713564

3.7V 290Mah Lithium Ion Polymer Power Bank Lipo Battery For Power Bank

Place of Origin Guangdong, China
Brand Name BAKTH / Neutral / OEM
Model Number 323036P
Minimum Order Quantity 500 pieces
Price CN¥9.74/pieces 500-4999 pieces
Packaging Details meet IATA
Supply Ability 300000 Piece/Pieces per Month

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

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Product Details
Type Li-polymer Size 4.5*30.5*48.5 (mm)Max
Max Charge Voltage 4.2V Discharge Cut Off Voltage 2.75V
Standard Charge Current 0.2C Max Charge Current 290mAh
Charging Mode CC/CV Charging Temperature 0~45℃
Discharging Temperature -20 ~ 60℃ Warranty 12 Months
Port Shenzhen/Hongkong
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3.7V Lithium Ion Polymer Power Bank

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290Mah Lithium Ion Polymer Power Bank

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290Mah Lipo Battery For Power Bank

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Product Description
3.7V 290Mah Lithium Ion Polymer Power Bank Lipo Battery For Power Bank
Product Specifications
Attribute Value
Type Li-polymer
Size 4.5*30.5*48.5 (mm)Max
Max charge voltage 4.2V
Discharge cut off voltage 2.75V
Standard charge current 0.2C
Max charge current 290mAh
Charging mode CC/CV
Charging Temperature 0~45℃
Discharging Temperature -20 ~ 60℃
Warranty 12 Months
Port Shenzhen/Hongkong
Product Overview
3.7V 290Mah Lithium Ion Polymer Power Bank Lipo Battery For Power Bank 0

ODM/OEM services available for this 3.7V 290Mah Li-Ion Polymer Rechargeable Battery.

  • Top 10 battery supplier in China with competitive pricing
  • Comprehensive battery product range available
  • Strict quality control processes ensure product reliability
  • Additional advantages available upon inquiry
Why Choose Our Products
3.7V 290Mah Lithium Ion Polymer Power Bank Lipo Battery For Power Bank 1
  • Professional: 20 years of battery pack design and production experience
  • Factory Direct: High-quality product packaging and PCB/BMS solutions
  • Quality Certified: ISO 9001 and ISO 14001 certified manufacturing
  • Custom Solutions: OEM & ODM services with top 500 enterprise recognition
  • Service Excellence: Comprehensive technical and after-sales support
Company Profile
3.7V 290Mah Lithium Ion Polymer Power Bank Lipo Battery For Power Bank 2

Shenzhen BAK Technology Co Ltd specializes in rechargeable battery pack design and production with 20 years of experience. Our advanced R&D capabilities and production facilities enable us to deliver high-quality battery packs and PCB/BMS solutions worldwide, supported by excellent technical service and after-sales support.

3.7V 290Mah Lithium Ion Polymer Power Bank Lipo Battery For Power Bank 3 3.7V 290Mah Lithium Ion Polymer Power Bank Lipo Battery For Power Bank 4 3.7V 290Mah Lithium Ion Polymer Power Bank Lipo Battery For Power Bank 5
Frequently Asked Questions
Why choose us?

Safety is paramount in battery usage. We use qualified battery cells, full-function PCB/BMS, and maintain strict quality control procedures to ensure reliable products.

Which product is hot sale in your company?

Customized batteries including 18650/21700/26650/32700 models, Lifepo4 3.2V-100Ah/150Ah/200Ah/277Ah, and 12.8V100Ah/120Ah/12Ah/6Ah configurations.

How about the warranty and quality guarantee?

Standard 12-month warranty (negotiable for special products). We provide pre-production samples and conduct final inspections before shipment.

Do you have MOQ?

No minimum order quantity. Sample orders are welcome to test quality before bulk purchases.

Can you make customized batteries?

Yes, our professional R&D team can develop solutions according to your requirements, including logo printing.

How about the lead time?

Sample orders: 1-3 weeks. Bulk orders: 4-8 weeks depending on model and quantity.

What shipping methods are available?

Options include express (1-2 weeks), air (2-3 weeks), sea (20-60 days), or train (30-45 days). Customer shipping agents are acceptable.

How do I track my order?

We provide tracking numbers upon shipment and monitor production until delivery.

Contact us for current pricing, packaging options, shipping details, discounts, and customized battery solutions.

3.7V 290Mah Lithium Ion Polymer Power Bank Lipo Battery For Power Bank 6