WUHAN FUTE LITHIUM BATTERY CO.LTD QUALITY APPROVAL STANDARD
1.Model NO. ㄩ ER 18505M
2.SPECIFICATION:
1) Nominal voltage: 3.6V
2) Nominal capacity: 3500mAh(5mA/ 2.0V)
3) Nominal discharge: 5mA(620 次 )
4) Rapid discharge: 200mA(15 次 )
5) Discharge end-voltage: 2.0V
6) Operating voltage: 3.30V(33 次 , in 5s)
7) Max constant discharge current: 1000mA
8) Ambient temperature range: -55~ + 85 ⊥
9) Storage life: ≡ 10year, Yearly self-discharge ≒ 1%
3. Appearance & Dimension/Weight
1) Appearance: cylinder shape
2) Max dimension : ER13150 耳 18.5℅h 50.5mm
3) Max weight: 32g
4. Performance Testing
Unless otherwise request , all tests are carried out in ambient temperature 20㊣ 5 ⊥ .
Tests should be made within 45 days after receipt of the batteries.
4.1 Test Requirement
4.2 Examination procedure & standard
Item |
Measuring Procedure |
Standard |
1.Appearance |
Visual check |
Clean, unscratched and clearly labeled |
2.Dimenaions |
Measured by calipers with precision of 0.02mm |
耳 18.5℅ 50.5mm max |
3.Weight |
Weighed by balance with precision of 0.1g |
32g max |
4.Open-circuit voltage |
Measure by volt-meter with precision of 0.01V |
≡ 3.65V |
5.Operating voltage |
Measure by volt-meter with precision of 0.01V, connecting an impedance of 33 次 in series, Reaching the target voltage in 5 seconds. |
≡ 3.30V |
6.Nominal discharge |
620 次 ,20 ㊣ 2 ⊥ , Constant discharge to 2.0V. |
≡ 3500mAh |
7.Rapid discharge |
15 次 ,20 ㊣ 2 ⊥ , Constant discharge to 2.0V. |
≡ 2400mAh |
8. Discharge at high temperature |
Put battery in constant ambient temperature of 55 ㊣ 2 ⊥ for 16 hours, discharge at 33 次 to 2.0V/cell. |
≡ 2350mAh |
9.Discharge at low temperature |
Put battery in constant ambient temperature of -40 ㊣ 2 ⊥ for 16 hours, discharge at 33 次 to 2.0V/cell |
≡ 1100mAh |
10.Charge |
Prohibited |
Prohibited |
11.Over-discharge |
Prohibited |
Prohibited |
12.Self discharge |
Store the batteries at constant temperature of 20 ㊣ 5 ⊥ , Measure the nominal capacity yearly for 10 years. |
≒ 1% |
Examination procedure & standard
Unless otherwise request , all tests are carried out in ambient temperature 20㊣ 5 ⊥ .
Tests should be made within 45 days after receipt of the batteries.
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