602040 400mah 3.7v Li-polymer battery
|Fully charge voltage
|Ship out volatge
||Standard Charging:0.5C (200mA)
||Charge with constant current 0.5c to 4.2V. then chagre with constant voltage 4.2v till. until charge current is less than 0.01C
|Standard discharge current
|Discharge cut-off voltage
||2.75V or 3.0V
|Battery recyle time
Q: How about you payment and delivery items?
A: Payment items: By T/T, 30% for deposit, and balance all before shipment. For small amount, we also accept payment via PayPal, Western Union.
Q: Can I have a sample order?
A: Yes, samples orders are welcome.We can offer free samples if the quantity not above 3 pcs, you only need to pay the shipping cost.
Q: How to solve the quality problems after sales?
(1) Take photos & videos of the problems and send to us. (2) Send back the physical problem battery by express to us. (3) Engineer will analyze the defective battery within 2 working day. (4) 1 Year Warranty after leaving our factory, our defect rate is under 1%,we'll repaired or replaced the battery for free if non-human factor quality problems be confirmed.
Q: How's your lead time?
A: 3-5 days for sample, 12-18 working days for large quantity.
Q: What kind of certificates could you provide for these batteries?
A: We have CE,CB,KC,MSDS,UN38.3 for most our current model, if It's custom-making design, usually no current certificates, we could apply for you if you need, but the related fees should be paid by your side, and if your order is big enough, certificate fees can be refunded.
Q: Can your factory print our logo/brand on the product?
A: Yes, and we will do this free of charge if the order quantity is big enough, please contact us for more details.
Q : Can you make customized battery?
A: Of course. We have professional engineers that can give you the most suitable solution according to your special requirements.
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