ITEM | SPECIFICATION | REMARK |
Battery Cell Model | 602040 | |
Nominal Voltage | 3.7V | |
Nominal Capacity | 400mAh | Standard discharge at 0.2C |
Standard Discharge Current | 0.2C (80mA) | |
Max Continuous Discharge Current | 1C(400mA) | |
Peak Current | 2.5A,adjustable | last time≤1s |
Charge Voltage | 4.25±0.03V | |
Standard Charge Current | 0.2C(80mA) | Charge time : Approx 7.0h |
Fast Charge Current | 0.5C(200mA) | Charge time : Approx 3.0h |
Inner Resistance | ≤205mΩ | AC 1KHZ after 50% charge |
Cycle life | ≥300 times until 70% capacity | |
Ref. Discharge Cut off Voltage | 2.75±0.06V | |
Charge Temperature Range | 0°C to 45°C | |
Discharge Temperature Range | -20°C to 60°C | |
Recommended Storage Temperature | 23 ± 5°C | |
Weight | Approx. 7.6g | |
Configuration | 1S1P | |
Size | T*W*L=6*20*41mm | With PCM |
Connector/Terminal | No | |
Battery PCM function | Over charge/discharge,over current, short circuit protection | |
Battery Warranty | 12 months |
Main Feature of this 3.7v 400mah battery 602040:
[ULTRA THIN] This battery thickness is only 6mm.
[LIGHT WEIGHT] Weight is only about 7.6g, very easy to carry.
[RELIABEL GRADE A CHINA CELLS] We choose only high end cells even it’s a China brand, performance is good, very safe but price is more competitive.
[1 YEAR WARRANTY] If has quality problem within one year, we can help fix or send new one for free, you don’t need to worry about after sales problem.
[CUSTOMIZED &SAVE TIME] Battery cells, size, capacity, voltage, connector…most parameters can be changed according to your request. You don’t need to take too much time to search an exist model
The series of 3.2V&3.7V lithium polymer batteries can be widely used on:
* Flashlights
* Smart phone
* Loundspeakers
* LED light
* Handset
* GPS tracker, etc.
1.Q:Are you really factory or just trade company?
A: We are factory, founded in 2007, if you don’t believe our words, we can show you a live video.
2.Q: How long is the warranty time?
A: Warranty time is 12 months for Li-ion/li-polymer battery and 18 months for LiFePO4 battery. Our battery defective ratio is under 0.2%, we will repair defective batteries for free and bare shipping fee if it’s quality problem.
3.Q: How to proceed with an order?
A: We make customized battery, with check details such as application, voltage, capacity, size, discharge current, order quantity, etc., then quote based on your request, if no problem ,we can draft sample order for your confirmation and arrange payment, then we make sample for testing.
4.Q: How’s your leadtime?
A: 2-5 days for samples, 15-25 days for mass production. If it’s special model or complex design, leadtime will be longer.
5.Q:Is it OK to print my logo on it?
A: Yes, as long as you provide authorization to us, we will print logo on battery.
6.Q: What’s the payment terms?
A: Sample fee should be 100% prepaid. For mass production, payment terms is 30% deposit, 70% balance to be paid before shipment. For big amount, we can discuss better payment terms for you after 2-3 orders.
Contact us to know more details about price, customize solution, discount, etc.