| Place of Origin:Hebei China (Mainland) | Brand Name:LINGLI | Model Number:303040 |
| Type:Li-polymer | Nominal Voltage:3.7v | Size:3*40*40mm |
| Nominal Capacity:300mah | assemble:cell,PCB,wire ,connector | color:white |
| Packaging Detail: | cartons or as your requirement |
| Delivery Detail | within one week |
1)Li-polymer battery 300mah
2)Ultra thin battery
3)OEM/ODM offered
4)low price high quality
No. | Item | General Parameter | Remark | |
1 | Rated Capacity
| Typical | 300mAh | Standard discharge(0.2C C5A) after Standard charge |
Minimum | 290mAh | |||
2 | Nominal Voltage | 3.7V | Mean Operation Voltage | |
3 | Voltage at end of Discharge | 2.75V | Discharge Cut-off Voltage
| |
4 | Charging Voltage | 4.2±0.03V |
| |
5 | Internal Impedance
| ≤150mΩ | Internal resistance measured at AC 1KHZ after 50% charge The measure must uses the new batteries that within one week after shipment and cycles less than 5 times | |
6 | Standard charge | Constant Current 0.5C5A Constant Voltage 4.2V 0.01 C5A cut-off | Charge time : Approx 4.0h
| |
7 | Standard discharge | Constant current 0.2 C5A end voltage2.75V |
| |
8 | Fast charge | Constant Current 1C5A Constant Voltage 4.2V 0.01 C5A cut-off | Charge time : Approx 2.5h | |
9 | Fast discharge | Constant current 1 C5A end voltage 2.75V |
| |
10 | Maximum Continuous Charge Current | 1 C5A |
| |
11 | Maximum Continuous Discharge Current | 1.5C5A |
| |
12 | Operation Temperature Range | Charge: 0~45°C | 60±25%R.H. Bare Cell | |
Discharge: -20~60°C | ||||
13 | Storage Temperature Range | Less than 1 year: -20~25°C | 60±25%R.H. at the shipment state | |
less than 3 months: -20~40°C | ||||
14 | Pack Dimension | Height: Max 40 mm | Initial Dimension | |
Width: Max 30 mm | ||||
Thickness: Max 3 mm | ||||
Baoding Tsinghua_unizy power Co., Ltd. Established in 2003, which engaged in R&D,
manufacture and sale lithium batteries ,the products are widely used on mobile phones,
Bluetooth, PDA, digital camera, MP3, wireless remotecontrol equipment, electrical tools,
solar power facilitie.
| Buyer | Product Information | Price | Order Date |
|---|---|---|---|
FERNANDO DIAS DA SILVA dias
|
Small Li-polymer battery 3.7V 300mah |
US$187.00
|
19 March 2026 |
Shauna Pocock
|
Small Li-polymer battery 3.7V 300mah |
US$187.00
|
18 February 2026 |
santrese porters
|
Small Li-polymer battery 3.7V 300mah |
US$187.00
|
15 April 2026 |
Cindy Lee
|
Small Li-polymer battery 3.7V 300mah |
US$187.00
|
29 March 2026 |
loretta sleger
|
Small Li-polymer battery 3.7V 300mah |
US$187.00
|
16 May 2026 |
carol freschi
|
Small Li-polymer battery 3.7V 300mah |
US$187.00
|
04 April 2026 |
bukola lepe
|
Small Li-polymer battery 3.7V 300mah |
US$187.00
|
29 January 2026 |
Emmanuel Geah
|
Small Li-polymer battery 3.7V 300mah |
US$187.00
|
11 April 2026 |
Noe Garay
|
Small Li-polymer battery 3.7V 300mah |
US$187.00
|
30 January 2026 |
sabrina potter
|
Small Li-polymer battery 3.7V 300mah |
US$187.00
|
17 January 2026 |
| Buyer | Feedback | reviews text |
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