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Lithium Polymer Battery Pack
Created with Pixso. 1100mAh 903040 3.7V Rechargeable Lithium Polymer Battery Pack Lipo Battery for Toys and Electronics

1100mAh 903040 3.7V Rechargeable Lithium Polymer Battery Pack Lipo Battery for Toys and Electronics

Brand Name: VATS Battery or Netural
Model Number: 903040
MOQ: 10
Price: CN¥6.90-13.66
Detail Information
Place of Origin:
Guangdong, China
Certification:
ISO9001/ISO14001/CE
Battery Size:
9.0*30*40mm
Weight:
22g
Type:
Li-polymer
Std.working:
0.2C
Max Discharge:
1.0C
Charging Voltage:
4.2V
Anode Material:
LCO
Charging Ratio:
1C
Discharge Rate:
1C
Std. Voltage:
3.7V
Capacity:
1100mAh
Discharge Cut-off:
3.0V
Ship Voltage:
3.8-4.1V
Charge Temperature:
0℃~45℃
Discharge Temperature:
-20℃~60℃
Highlight:

1100mAh Lithium Polymer Battery Pack

,

903040 Lipo Battery

,

3.7V Rechargeable Battery

Product Description
Lipo Battery 1100mAh 903040 093040 3.7V Rechargeable Lithium Polymer Battery Pack
High-performance rechargeable lithium polymer battery pack designed for reliable power delivery in various electronic applications.
Lipo Battery 1100mAh 903040 front view Lipo Battery technical specifications diagram
Technical Specifications
Model HZ903040
Type Polymer Lithium Battery
Standard Voltage 3.7V
Capacity 1100mAh
Charging Voltage 4.2V
Discharge Cut-off Voltage 3.0V
Ship Out Voltage 3.8-4.1V
Standard Continuous Working 0.2C
Max. Continuous Discharge 1.0C
Charge Temperature 0℃~45℃
Discharge Temperature -20℃~60℃
Cell Size 9.0*34*50mm
PCB Protection (Optional) Over-charge, over-discharge, short-circuit, over-temperature protection
Warranty 12 months
Lipo Battery internal structure Lipo Battery manufacturing process Lipo Battery quality testing Lipo Battery packaging
Business Advantages
  • OEM & ODM Services: Custom battery solutions available
  • Certifications: ISO9001ISO14001CE
  • Samples: Free samples supported for qualified projects
Manufacturing Excellence
  • 30,000㎡ factory with advanced automated equipment
  • Production capacity of 500,000 units per day
  • ISO9001:2015 certified quality management system
  • Comprehensive quality control with 100% production inspection
  • Professional R&D center for custom specifications
  • Low minimum order quantity with sufficient stock availability
  • Multiple international certifications: UL/CE/CB/IEC62133/KC/PSE/ROHS/ERRCS/UN38.3
  • 12-month warranty with pre-shipment product verification
Battery manufacturing facility Industry applications of our batteries
Industry Applications
Trusted by leading companies in media speakers, digital products, cameras, smart wearable devices, and various electronic industries.
Company certifications and quality standards
Shipping & Delivery
Flexible shipping options to meet your timeline requirements:
  • HK UPS Express: 4-6 days delivery
  • Air Cargo: 7-10 days delivery
  • Sea Shipment: Approximately 1 month delivery
With 10 years of logistics experience and trusted forwarder partnerships.
Battery packaging and shipping process
Frequently Asked Questions
How about the warranty of lipo and li-ion batteries?
Warranty for lithium ion polymer batteries is 12 months.
Do you have current sample in stock?
We typically maintain stock for battery cells. Custom battery packs require assembly based on specific customer requirements.
Can I place a sample order?
Yes, we welcome sample orders for quality verification. Customized solutions and OEM/ODM services are available.
What's the delivery time for mass production?
Typically 25-30 days, depending on quantity, materials, and battery specifications.
What kind of certificates can you provide?
We offer various certifications including CE, UL, UN38.3. Certificate fees apply for custom designs but may be refunded for large quantity orders.
What is your quality control process?
ISO9001 certified procedures with 100% inspection before delivery.
What is your environmental control process?
We comply with ISO14001 environmental standards.
Contact Information
Contact: Lynn
Mobile/Skype/Whatsapp: +86 13476615395
Tel: 86-0755-86909458
Web: www.vatsbattery.com
Your inquiry is our best motivation, your success is our business!
Customer service and support team
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

C
c*o
Australia May 4.2026
xxx
O
Owen
Canada Apr 7.2026
I’ve been using this 357090 3.7V 2500mAh lipo battery for a few weeks now, and I’m really satisfied with it. It is steady-quality rechargeable lithium polymer batteries that perfectly match the rated voltage and capacity. Output efficiency is great, which helps me save a lot of working time. Build quality feels solid too, no weird noises or faults during daily operation. Shipping was fast and the packaging was protective. For small-scale battery production and copying work, this is absolutely a practical and cost-effective pick. I’d definitely recommend it to fellow business partners and will consider reordering in the future.
H
Harry
United Kingdom Mar 18.2026
I bought these 805050 3.7V 2500mAh lithium polymer batteries to replace the old cells in my Bluetooth speakers, and they work brilliantly. Fit is absolutely perfect, no trimming needed at all. The voltage and capacity are spot on, my speakers now hold charge for much longer than before. Power output is stable, sound quality isn’t affected one bit. They’re well-made and feel really durable. Delivery arrived quickly, items were well packed with no damage. Great value for money compared to local stores. I’ve been using them daily for weeks with zero issues. Would absolutely recommend these batteries to anyone needing replacements for wireless speakers. I’ll be coming back to buy more soon!