중국 리튬이온 전지 공장 공급 고품질 BZ 21700 3.7V 5000mAh 원통형 램프용 배터리
가격 : US $ 1.2-1.5 / 암페어
Min. 주문 : 2,000 암페어
주문 하시려면 저희에게 문의하십시오!
브랜드 이름: BZ
모델 번호: 21700
유형: 리튬 이온
공칭 전압: 3.7V
크기: 21*21*73mm
공칭 용량: 5000mAh
제품 이름: BZ 21700 충전식 배터리
보증: 1년
무게: 70g
사이클 수명: 500회
용도: 램프
인증서: RoHS/MSDS
결제: Paypal.TT.Escrow.Western Union
최대 충전 전류: 1C
Product Parameters
|
No. |
Item |
General Parameter |
Remark |
|
|
1 |
Rated Capacity |
Typical |
5000mAh |
Standard discharge(0.2C C5A) after Standard charge |
|
Minimum |
5000mAh |
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|
2 |
Nominal Voltage |
3.7V |
Mean Operation Voltage |
|
|
3 |
Voltage at end of |
3.0V |
Discharge Cut-off Voltage |
|
|
Discharge |
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|
4 |
Charging Voltage |
4.2±0.03V |
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|
5 |
Internal Impedance |
≤65mΩ |
Internal resistance measured at AC 1KHZ after 50% charge |
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|
The measure must uses the new batteries that within one week after shipment and cycles no more than 5 times |
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|
6 |
Standard charge |
Constant Current 0.2C5A |
Charge time : Approx 6h |
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|
Constant Voltage 4.2V |
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|
0.01 C5A cut-off |
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|
7 |
Standard discharge |
Constant current 0.2 C5A |
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|
end voltage 3.0V |
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|
8 |
Fast charge |
Constant Current 0.5C5A |
Charge time : Approx 2.5h |
|
|
Constant Voltage 4.2V |
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|
0.01 C5A cut-off |
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|
9 |
Fast discharge |
Constant current 0.5C5A |
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|
end voltage 3.0V |
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|
10 |
Maximum Continuous Charge Current |
1 C5A |
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|
11 |
Maximum Continuous Discharge Current |
1C5A |
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|
12 |
Operation Temperature Range |
Charge: 0~45℃ |
60±25%R.H. |
|
|
Bare Cell |
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|
Discharge: -20~60℃ |
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|
13 |
Storage Temperature Range |
Less than 1 year: -20~25℃ |
60±25%R.H. |
|
|
less than 3 months: -20~40℃ |
at the shipment state |
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14 |
Pack Dimension |
High: max73mm Width: max21mm |
Initial Dimension |
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