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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Sep-17-2025 | 0.66 $* | 0.11 $* |
Aug-17-2025 | 0.43 $* | 0.25 $* |
Jul-17-2025 | 0.98 $* | 0.43 $* |
Jun-17-2025 | 0.45 $* | 0.62 $* |
May-17-2025 | 0.74 $* | 0.85 $* |
Apr-17-2025 | 0.15 $* | 0.26 $* |
Mar-17-2025 | 0.21 $* | 0.6 $* |
Feb-17-2025 | 0.93 $* | 0.65 $* |
Jan-17-2025 | 0.32 $* | 0.19 $* |
Place of Origin: | Guangdong, China (Mainland) | Brand Name: | YJPower | Model Number: | 503030 |
Type: | Li-polymer, lithium polymer | Nominal Voltage: | 3.7V, 3.7V | Size: | 5.0*30*30mm |
Nominal Capacity: | 420mAh, | Model: | 503030 | Voltage: | 3.7V |
Capacity: | 420mAh | Application: | digital products | Certificate: | UL,CE,ROHS |
Welcome: | OEM/ODM |
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Packaging Details: | Customized |
Delivery Detail: | 4 weeks more or less after order confirmed |
Small size rechargeable 3.7v li-polymer battery
Specification
3.7V polymer li-ion battery 502530 330mAh 3.7V | ||||
1) Specification | ||||
No. | Item | Rated Performance | Remark | |
1 | Rated Capacity | Typical | 420mAh | Discharge at 0.2C after standard charge fully. |
Minimum | 420mAh | |||
2 | Nominal Voltage | 3.7V | Mean operation voltage during standard discharge. | |
3 | Voltage at end of Discharge | 3.0V | Discharge cut-off voltage. | |
4 | Charging Voltage | 4.2±0.03V |
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5 | AC (1KHz) Impedance New Cell Max.(mW) | ≤100mΩ |
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6 | Standard Charge | Constant Current 0.5C Constant Voltage 4.2V Cut-off current 0.01C | Charge time: Approx 4.0h. | |
7 | Standard Discharge | Constant current 0.2 C end voltage 3.0V |
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8 | Fast Charge | Constant Current 1C Constant Voltage 4.2V Cut-off current 0.01C | Charge time: Approx 2.5h. | |
9 | Fast Discharge | Constant current 1 C end voltage 3.0V |
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10 | Maximum Continuous Charge Current | 1.0C |
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11 | Maximum Continuous Discharge Current | 1.5C |
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12 | Operation Temperature Range | Charge: 0~45C | 60±25%RH. Bare Cell. | |
Discharge: -20~60C | ||||
13 | Storage Temperature Range | Less than 1 year: -20~25C |
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Less than 3 months: -20~40C |
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Less than 1 months: -30~45C |
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Less than 12 hour: 45~60C |
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14 | Storage Humidity Range | 60±25%RH. |
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15 | Weight | Approx: 6g | Whole product | |
16 | Product Dimension | Length: Max. 31.5mm | Initial dimension | |
Width: Max. 30.5mm | ||||
Thickness: Max. 5.2mm | ||||
17 | Package | Standard International transportation package, based on UN3480 PI965[RLI] Lithium lon Cells/Batteries ONLY |
Advantages:
1, High energy density.
2, High working voltage for single battery cells.
3, Pollution-free.
4, Long cycle life.
5, No memory effect.
6, Capacity, resistance, Voltage, platform time consistency is good.
7, With short-circuit production function, safe and reliable.
8, Factory price& High quality.
9, Good consistency, low self discharge.
10, Light weight, small and customized size.
11, Wide application for electronics and industry.
The shipping way we support :
Fedex, UPS ,TNT, DHL, AIR , SEA.
Why choose us?
1. We have 12 year's experience in batteries and chargers since 2003.
2. Our products are exported to North America,West Euope,Australia,Asia an so on.
3. Our customers include Wal-mart,Target ,Woolworths,Kaufland,Walgreens ,Harford,Wagan Corp.,Lammi Trading an so on.
4. Customized manufacturing service—customized and flexible.
5. Experienced in working with importers and retailers.
6. Manufacturer supply with high quality and best price.
7. Professionals in manufacturing.
8. Certification with CE, ROHS, FCC.
Данные ресурс не является интернет-магазином, а лишь содержит ссылки на международную торговую площадку Alibaba.com