HZ751540 Li-Ion Polymer Battery - 3.7V 480mAh
Professional 751540 lithium polymer battery designed for torch lights and portable devices. This rechargeable battery features high energy density and reliable performance with CE certification.
Technical Specifications
| Parameter |
Specification |
| Model |
HZ751540 |
| Type |
Polymer Lithium Battery |
| Standard Voltage |
3.7V |
| Capacity |
480mAh |
| 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 |
0.5C |
| Charge Temperature |
0℃~45℃ |
| Discharge Temperature |
-20℃~60℃ |
| Cell Size |
7.5×15×40mm |
PCB Protection (Optional): Over-charge, over-discharge, short-circuit, and over-temperature protection
Warranty: 12 months
Certification: ISO9001/ISO14001/CE
Samples: Free samples supported
OEM & ODM: Accepted
Manufacturing Excellence
- 30,000㎡ factory with advanced automatic equipment
- Production capacity: 500,000 pieces per day
- ISO9001:2015 certified manufacturing facility
- Comprehensive quality control system from parts to finished products
- 100% production inspection for consistent quality
- Professional R&D center supporting customization
- Low MOQ with sufficient stock for most models
- International certifications: UL/CE/CB/IEC62133/KC/PSE/ROHS/ERRCS/UN38.3
- 12-month warranty with pre-shipment product photos
Shipping Options
HK UPS: 4-6 days delivery
Air Cargo: 7-10 days delivery
Sea Shipment: Approximately 1 month delivery
10 years of shipping experience with trusted forwarder partners
Frequently Asked Questions
Warranty & Samples
Q: How about the warranty of lipo and li-ion batteries?
A: Warranty of lithium ion polymer battery can be as long as 1 year.
Q: Can I have a sample order?
A: Yes, we welcome sample orders to test and check quality. Customized solutions available with OEM/ODM service.
Production & Certification
Q: What's the delivery time for mass production?
A: Usually 25-30 days, depending on quantity, materials, and battery model specifications.
Q: What kind of certificates could you provide?
A: We can provide CE, UL, UN38.3 and other related certifications. Certificate fees apply for custom designs.
Quality & Environment
Q: What is your quality control process?
A: ISO9001 certified with 100% inspection before delivery.
Q: What is your environmental control process?
A: ISO14001 environment standard compliance.
Contact Information
