Company Profile
100% Original INR21700-40T 4000mAh Rechargeable Li-ion Battery Pack
| Size |
21*70mm |
| Rated Voltage |
3.7V |
| Rated Capacity |
4000mAh |
| Internal Resitance |
12-15mΩ |
| Net Weight |
45-50g |
| Cut-off Discharge Voltage |
2.75V |
| Charge Upper Limit Voltage |
4.20±0.05V |
| Charging Time |
1.5 hours(with Efest battery charger) |
| Max Discharging Current |
30A |
| Continuous Discharging Current |
20A |
| Cycle Life |
>500s |
| Standard charger |
cc/cv(max ,charging rate 2A) |
| Warranty |
1 years |
| Operating Temperature |
charge (0 ~ 45°C) |
| discharge (-20 ~ 60°C) |
| Storage Temperature |
within 1 month (-20~ 50°C) |
| within 3 months (-20~ 40°C) |
within 3 months (-20~ 20°C)
|
Sophisticated Packaging for Cells:
1. Securely encased: 2 pieces per plastic box, with 35 boxes elegantly arranged within a sturdy carton.
2. Premium individual packaging: each unit in a pristine white box, two boxes combined into a larger box, then safely housed in a carton for maximum protection.
3. For substantial orders, a pallet is employed to ensure optimal protection for your battery.
Pristine Packaging for Packs:
1. Each pack receives an individual package, then carefully placed in a carton for secure transit.
Efficient Shipping Solutions:
· Expedited dispatch within 2-3 days post-payment confirmation (subject to actual quantity).
· We'll provide you with a tracking number post-delivery and diligently monitor your shipment until it reaches you safely.
· DHL/FedEx/UPS offers delivery in just 8-10 working days.
· Quick air shipping available, with delivery in 5-7 working days.
· Economical sea shipping, with arrival in 20-28 days.
· Reliable train transport, delivering in 45-55 days.
Q: Is it possible to order custom OEM/ODM battery packs?
A: Absolutely! We enthusiastically offer OEM/ODM battery packs, with expert technical support from our seasoned engineers.
Q: What details are essential for crafting a bespoke battery pack?
A: Please provide the following specifications:
1. Exact dimensions of the required battery pack in millimeters.
2. Desired capacity of the battery pack.
3. Voltage requirements for the battery pack.
4. Maximum discharge current specifications.
5. Preferred cable and connector types.
6. Casing and terminals needs, if any.
7. Any necessary protection circuits.
Q: Is it possible to have my logo printed on the battery cover?
A: Certainly! We offer personalized logo services and branding options.
Q: Are sample orders permitted?
A: Yes, sample orders are welcomed for most battery models, allowing you to assess quality firsthand.
Q: What are the steps to place an order?
A: You can place orders via trade assurance or offline methods, both are equally welcomed.
Q: What payment methods do you accept?
A: We accept T/T, PayPal, Western Union, and Trading Assurance for your convenience.
Q: Do you offer renowned international brand battery cells?
A: Yes, we provide international brand cells upon request. Please contact us for further information.
Q: How is battery shipment arranged?
A: Our trusted logistics partner expertly handles shipments globally. Despite batteries being classified as hazardous, your cargo is in safe hands with our experienced shipping partner(s).
Q: Are the requisite documents for battery shipment available?
A: Certainly, we possess MSDS, UN38.3, and additional necessary documentation for specific regional shipments.
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