3.7V 1600mAh 953742 Lithium Polymer Battery
Lithium ion polymer (also known as ‘lipo’ or ‘lipoly’) batteries are thin, light and powerful. The output ranges from 4.2V when completely charged down to 3.0V(standard)or 2.75V.
All of our lipo batteries come with or without pre-attached any connector like JST,XH,SH, NTC functions optional, as well as necessary protection circuitry.
Cell Type: Lithium Polymer Battery
Voltage(V): 3.7V
Nominal Capacity(mAh):3400mAh
Standard Charge Current: 0.2C
Standard Discharging Current: 0.2C
Max Discharge Current: 1C (not continuous)
Charge Temperature(℃): 0～55℃
Discharge Temperature(℃): -20～65 ℃
Storage Temperature(℃): -20～45 ℃
Impedance: ＜40mΩ
Weight: 4.5±1g
Lifetime: 500 cycles
Battery Constitution:
|
NO. |
Name
|
Model
|
Remark
|
|
1 |
1 piece of cell |
LP953742 |
DNK Power Polymer Lithium Ion Cell |
|
2
|
One piece of protection board |
IC: G3R
MOSFET: CJ8810
|
|
|
3
|
Lead Wire
|
AWG26#
|
|
|
4 |
Connector |
N/A |
|
Dimension: (Tolerance: ±0.2mm)
| T | W |
L
|
WL
|
|
9.5mm max
|
37mm max
|
44mm max
|
100mm |
Cable Length (Default): 100mm
(Notes: Battery with PCM will generally 2mm longer than Just bare cell)
Standard battery comes with PCM and wire, Bare cell can also be provided.
Battery Cell Specifications:
| No | Item | Specification | Remarks | |||
|---|---|---|---|---|---|---|
| 1 | Cell minimum capacity | 1600 mAh | ||||
| 2 | Initial impedance | ≤80 mΩ | 1kHz AC Impedance | |||
| 3 | Nominal voltage | 3.7 V | ||||
|
4 |
Dimensions |
T | 9.5mm Max | Thickness | ||
| W | 37mm Max | Width | ||||
| L | 42mm Max | Cell length (not include Tab sealant) | ||||
| A | 7±1 mm | Distance of tab center | ||||
| B | 2.0±0.2 mm | Tab width | ||||
Electrical Characteristics:
|
NO. |
Items
|
Test Method and Condition |
Criteria
|
|
1 |
Standard Charge |
Charging the cell initially with constant current at 0.2C and then with constant voltage at 4.35V till charge current declines to 0.01C |
|
|
2 |
Rated Capacity |
The capacity means the discharge capacity of the cell, which is measured with discharge current of 0.2C with 2.75V cut-off voltage after standard charge. |
≥1600mAh
≥94%
|
|
3 |
Cycle Life |
A battery unit shall be repeated 100 charge/discharge cycles, charged at CC-CV 0.2Cto 4.35V , laying the battery 5min, discharged at 0.2C to2.75V end voltage, After 100 cycles, recording the discharging capacity. |
100 time of discharging capacities keep 500 time of discharging capacities keep |
|
4 |
Self-discharge |
After the standard charging, storied the cells under the condition as No.5.4 for 28 days, then measured the capacity with 0.2C till 3.85V. |
Residual capacity：>85% |
|
5 |
Initial impedance of cell |
Internal resistance measured at AC 1KHz after 50% charge. |
≤40mW |
|
6 |
Cell Voltage |
As of shipment. |
≥3.85V |
|
7 |
Temperature Characteristics |
1. According to item 4.5, at 20±5℃. 2. Capacity comparison at each temperature, measured with constant discharge current 1C with 2.75V cut-off. Percentage as an index of the capacity compared with 100% at20℃. |
-10℃: ≥60% 20℃: 100% 50℃: ≥85% |
PCM Details:
Standarded PCM: protect the lipo battery from overcharging, over-discharging,short-circuit and reverse polarity.
| Over Charge Protection | |
| Over charge detection voltage | 4.25±0.05V |
| Over charge detection delay time | 1.0±0.3S |
| Over charge release voltage | 4.05±0.05V |
| Over Discharge Protection | |
| Over discharge detection voltage | 2.5±0.1V |
| Over discharge detection delay time | 20±6.0mS |
| Over discharge release voltag | 3.0±0.075V |
| Over Current Protection | |
| Over current detection voltage | 0.2±0.015V |
| Over current detection current | 3.0～6.0A |
| Detection delay time | 12±4.0mS |
| Release condition | Cut load |
| Short Circuit Protection | |
| Detection condition | Exterior short circuit |
| Detection delay time | 230～500uS |
| Release condition | Cut short circuit |
|
Interior Resistance |
|
|
Main loop electrify resistance |
VC=4.2V；RSS≤70mΩ |
|
Current Consumption |
|
| Current consume in normal operation |
4.0μA Type 8.0μA Max |
Connector Types:
JST, Molex, Hirose etc
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FAQ
Q: How do we place an sample order?
A: Please kindly send us your battery requirement
1 battery discharging current
2 battery capacity
3 battery dimension
4 potential bulk order quantity
and we will find the most suitable solution for you, you can then pay us by PayPal or Credit card.
Q: How would the batteries be shipped?
A: We ship via UPS, DHL, FedEx for urgent orders, and most of our clients would choose to ship by air and local Fedex or UPS to save cost .
Q: Can you make customized lipo battery?
A: Yes, we can custom lipo battery as per your design. Mainly like follows
1 Custom battery dimension
2 Custom battery capacity
3 Custom battery discharging current(up to 150C)
4 Custom battery PCM, like NTC or other features
5 Custom battery discharging temerature as lower as -60°C
6 Custom battery shape, like Curved Lipo Battery, Round Lipo Battery,Polygonal Lipo Battery, Triangle Lipo Battery, Rectangle Lipo Battery, Hexagon Lipo Battery ,C Shape Lipo Battery D Shape Lipo Battery
Q: What is your MOQ?
A: 100 PCS per SKU.
Q: What’s the delivery time?
A: The delivery time is 7-15 days after your payment.
Below is timeline for your refrencer
USA: 5-8 days
EU/UK: 7-10 days
AU/New Zealand: 5-8 days
Canada: 15days
Japan/Korea/Singapore/Malaysia: 3-4 days
Q: What is the lead time for mass production?
A: It depends on the actual situation: if with stock, the lead time will be 7~10 days.
If without stock, that will depend on your order quantity, usually within 15-30 days.
Q: Is there any warranty or after-sales service?
A: 15 months warranty against defective lipo batteries,starting from shipping date.
Q: Can your factory print our logo/brand on the product?
A: Yes, and we will do this free of charge.
Q: How do we make the payment?
A: We accept T/T, Western Union, PayPal, if you prefer other payment, please contact us.
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