| Item |
Measuring Procedure |
Standard |
| 1.Appearance |
Visual check |
Clean, unscratched and clearly labeled |
| 2.Dimensions |
Measured by calipers with precision of 0.02mm |
Max.φ10.2×45.0mm |
| 3.Weight |
Weighed by balance with precision of 0.1g |
Max 8g |
| 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 1200Ω in series, Reaching the target voltage in 5 seconds. |
≥3.30V |
| 6.Charge |
Prohibited |
Prohibited |
| 7.Over-discharge |
Prohibited |
Prohibited |
| 8.Self discharge |
Store the batteries at constant temperature of 20±5℃, Measure the nominal capacity yearly for 10 years. |
≤1% |