Power supply 3.7v 300mah 402040 rechargeable lithium polymer lipo battery
Power supply 3.7v 300mah 402040 rechargeable lithium polymer lipo battery
| Quality(piece) | 1-1000 | >1000 |
| Est.time(days) | 5-7 | To Be Negotiated |
|
Items |
Parameter |
|
| Battery model | Tewaycell-402040 |
|
| Nominal voltage | 3.7V |
|
| Minimum capacity | 300mAh(0.2C discharge) |
|
| Charging voltage | 4.2V |
|
| Discharging cut-off voltage | 3.0V |
|
| Standard charging | 0.2C /4.2V |
|
| Max charging | 1.0C /4.2V |
|
| Standard discharging | 0.2C/3.0V |
|
| Max discharging |
continuous discharge |
1.0C/3.0V |
| non-continuous discharge |
2.0C/3.0V |
|
| Shipment voltage | ≥3.85V | |
|
Battery pack impedance |
≤350mΩ | |
| Operating temperature |
Charging: 0°C ~ 45°C |
|
| Discharging: -20°C ~60°C | ||
|
Storage (At 50% SOC and specified temp, recoverable capacity in % vs time ) |
-10℃~25℃ |
(12 months ≥85% ) |
| -10℃ ~45℃ |
(6 months ≥85% ) |
|
|
-10℃~55℃ |
(1 month ≥90% ) |
|
| 20±5℃ is the recommended storage temperature | ||
|
Visual Inspection |
There should not be any remarkable scratches, cracks, bolts, cauterization, deformations, swelling, leakage and so on the surface of the cell. |
|
|
Reference standard |
GB/T 18287-2013,IEC/EN61960, UL1642 |
|
Over 100 models certificated by un38.3, with capacity from 10mah-10000mah, various dimensions for your needs.(contact us for model lists)
Low Risk Promise
For lithium polymer battery, we can provide 3pcs( capacity < 500mAh) of free samples and buyers pay for the shipping cost. If items in stock, we can send out sample within 7 days.
Our cooperative policy
1. Making the sample until you are satisfied with it.
2. Offering professional one-on-one service and replying your E-mail within 6 hours
3. Inspection before shipment.
4. Priority to get the our latest product information after our cooperation
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 5-7working days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the courier cost.Samples are free within certain quantities.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
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