Discharging Temp:20±2℃ | |||||
Condition | GB/T8897.2 Requirements | Shortest Average Discharging Time | |||
Load | Discharging Way | End-point Voltage |
| 2 months new battery | 12 months storage battery |
10Ω | 1h/d | 0.9 V | 6h | 7.5h | 6.8h |
75Ω | 4h/d | 0.9 V | 50h | 60h | 55h |
5.1Ω | 4min/h,8h/d | 0.9 V | 145min | 160min | 145min |
24Ω | 15s/min,8h/d | 1.0 V | 14.5h | 18h | 16h |
20Ω | 24h/d | 0.9 V | / | 15h | 13.5h |
3.9Ω | 24h/d | 0.9 V | / | 135min | 110min |
Project | Open circuit Voltage(V) | Loading Voltage(V) | Short-circuit Voltage(A) | Sampling Voltage |
In 2 months New battery | 1.59 | 1.40 | 5.00 | GB2828.1-2003 One Sampling, special sampling S-4,AQL=1.0 |
12 months storage in room temperature | 1.56 | 1.35 | 4.00 | |
Inspection Condition | Loading 3.9Ω, loading time 0.3s,temp:20±2℃ |
Project | Condition | Requirements | Qualified Standard |
Over Discharging | Continuous discharging 48h in 20±2℃, huminity60±15%, load 10Ω condition. | No leakage by visual inspection | N=9 Ac=0 Re=1 |
High-temp storage | Storing in 60±2℃, relative humidity 90% condition for 20 days. |
| N=30 Ac=1 Re=2 |
Project | Condition | Requirements | Qualified Standard |
External Short-circuit | Using wire to connect positive and negative pole in 20±2℃ for 24h. | No Explosion | N=5 Ac=0 Re=1 |
Improper Equipment | 4 batteries in series connection, one of them is in reverse connection. | Leakage happened on the reversed battery or the shell temp reduce to room temp | N=4×5 Ac=0 Re=1 |