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Standard voltage:
1.2VCharging current:
0.2C5A1). Good performance of discharge
2). Strong resistance to overcharge/over discharge
3). Good flame retardancy
4). Low rate of self discharge
Application:
1).UPS
2).Power Plants
3).Electrical power system
Nominal Voltage | 1.2V | |
Capacity(5HR,20℃) | 300Ah | |
Dimension | Length | 282mm |
Width | 170mm | |
Total Height | 348mm | |
Approx. Weight | 23.0Kg | |
Internal resistance (Fully charged, 20℃ ) | 0.49*10-3Ω | |
Capacity affected by temperature (5HR) | 20℃ | ≥100％ |
-18℃ | ≥80％ | |
Self-discharge (20℃) | 28 days | ＜25％ |
Nominal operating temperature | 20℃±5℃ | |
Operating temperature range | –20℃～45℃ | |
Float charge voltage(20℃) | 1.42～1.45V/cell | |
Equalizing charge voltage | 1.60～1.65V/cell | |
Standard charging current | 60A | |
Terminal material | Nickel- Clad Steel | |
◆According to IEC cycle time is more than 500,
float charging life is more than 15 years.
◆ABS flame retardant container.
Discharging Characteristics：
Constant Current Discharge Characteristics (A, 20℃)
F.V/TIME | 1min | 5min | 10min | 15min | 1h | 2h | 3h | 5h | 8h |
1.0V | 726 | 547 | 468 | 405 | 225 | 138 | 96 | 60 | 39 |
1.05V | 606 | 487 | 398 | 363 | 211 | 126 | 93 | 59 | 38 |
1.10V | 542 | 396 | 334 | 305 | 181 | 114 | 91 | 58 | 37 |
1.14V | 397 | 285 | 243 | 212 | 136 | 99 | 82 | 54 | 36 |
The selection of electrolyteand technical requirement.
1.1The selection of electrolyte are determined by operating temperature of the battery. See Table 7.
Table 7
No. | Operating temp. (℃) | Density (g/cm3) | Composition of electrolyte | Solid alkali content in the electrolyte | Weight ratio (alkaline : water) |
1 | 10~45 | 1.18±0.02 | NaOH+20g/L LiOH•H2O | 201 | 1 : 5 |
2 | -10~35 | 1.20±0.02 | KOH+30g/L LiOH•H2O | 265 | 1 : 3 |
3 | -25~10 | 1.25±0.01 | KOH | 329 | 1 : 2 |
4 | -40~15 | 1.28±0.01 | KOH | 374 | 1 : 2 |
Product Picture：
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