Factory 3.7V Slim Lipo Batteries
High-quality 3.7V slim lithium polymer batteries with solder tabs, available in 80mAh (HZ400830) and 110mAh (HZ500830) capacities for wearable products and small electronic devices.

Packaging & Shipping
We offer multiple shipping options to suit your needs:
- HK UPS: 4-6 days delivery
- Air Cargo: 7-10 days delivery
- Sea Shipment: Approximately 1 month delivery
With 10 years of experience and reliable forwarder partners, we ensure smooth transportation for all orders.

Customization Services
We specialize in custom battery solutions. Contact us directly to discuss your specific requirements for voltage, capacity, size, and connectors. Our professional team will create the perfect battery solution for your application.
Frequently Asked Questions
Q: How about the warranty of li-ion batteries?
A: Warranty of li-ion battery can be as long as 1 year.
Q: Do you have current sample in stock?
A: We usually have stock for battery cells. For custom battery packs, we can quickly produce samples once order is confirmed.
Q: Can I have a sample order?
A: Yes, we welcome sample orders and offer OEM/ODM services with customization available.
Q: What's the delivery time for mass production?
A: Typically 25-30 days, depending on quantity, materials, and battery model specifications.
Q: What kind of certificates could you provide?
A: We can apply for CE, UL, UN38.3 and other certifications. Certificate fees may apply for custom designs.
Q: What is your quality control process?
A: We follow ISO9001 procedures with 100% inspection of all batteries before delivery.