The OPzS series is a traditional tubular plate flooded battery which offers 20+ years design life according to the standard IEC60896-11.with a new design and technical improvement, it offers maximum efficiency reliability for the widest variety of applications.
Positive plate :Tubular plate with die cast alloy grid
Negative plate : Balanced Pb-Ca grid for improved recombination efficiency
Separator : Leaf shape rubber separator
Electrolyte : Dilute high purity sulphuric acid of 1.240 specific gravity
Battery Container : SAN
Battery Cover : ABS
Pillar Seal: Double layers epoxy resin seal
Relief Valve : Complete with integrated flame arrestor
Specifications
| Nominal Voltage (V) | 2 |
| Designed Floating Life (20oC) | 20+ Years |
| Nominal Capacity (20oC) | 900 Ah @ C10 (to 1.80Vpc) |
| Demensions | L233mm×W210mm×H700mm |
| Approx. Weight | Without electrolyte: 53.Kg (118 lbs) With electrolyte: 73.51Kg162 lbs) |
| Terminal Type | Female Copper Insert M8 (torque:10~12N.m) |
| Internal Resistance | Approx. 0.44mOhm (fully charged @ 25°C) |
| Max. Charge Current | 200 A |
| Max. Discharge Current (5S) | 2500 A |
| Short Circuit Current | 4500 A |
| Self Discharge | Approx. 4% per month @ 20°C |
| Ambient Temperature | Discharge: -40~65°C Charge: -30~65°C Storage: -25~45°C |
| Float Charge Voltage | 2.21-2.25V @25oC (-3mV / oC/ cell) |
| Equalize Charge Voltage | 2.35-2.4V @25oC |
| Container Material | SAN |
Constant Current Discharge Characteristics: Amps (20°C)
| F.V./Time | 5min | 10min | 15min | 30min | 1h | 2h | 3h | 4h | 5h | B h | 10 h | 20h |
| 1.90V | 399 | 363 | 330 | 323 | 299 | 234 | 189 | 159 | 139 | 103 | 91.0 | 50.1 |
| 1.85V | 431 | 413 | 406 | 404 | 340 | 259 | 209 | 176 | 163 | 109 | 95.0 | 52.3 |
| 1.8V | 688 | 660 | 646 | 556 | 437 | 305 | 256 | 200 | 173 | 123 | 100 | 55.0 |
| 1.75V | 826 | 792 | 768 | 636 | 487 | 330 | 265 | 208 | 178 | 125 | 103 | 57.8 |
Constant Power Discharge Characteristics: W/cell (20°C)
| F.V./Time | 5min | 10min | 15min | 30min | 1h | 2h | 3h | 4h | 5h | B h | 10 h | 20h |
| 1.90V | 774 | 704 | 632 | 611 | 575 | 500 | 411 | 347 | 298 | 217 | 188 | 101 |
| 1.85V | 836 | 802 | 779 | 759 | 654 | 565 | 430 | 386 | 331 | 237 | 204 | 110 |
| 1.80V | 1335 | 1281 | 1098 | 1016 | 857 | 685 | 547 | 447 | 378 | 267 | 220 | 114 |
| 1.75V | 1602 | 1537 | 1126 | 1023 | 864 | 712 | 579 | 473 | 395 | 271 | 229 | 117 |
Application
Standby Power Applications that Required Highest Levels of Reliability and Security
Advantages
1. 20+ years design life at floating condition.
2. Wide operating temperature range from -40°C to 60°C.
3. Tubular positive plate with prolonged cycle life.
4. Nano Silica gel electrolyte.
5. Lead Calcium die cast grid with improved corrosion resistance capability.
6. Excellent deep discharge recovery capability.
7. Low self-discharge rate and long shelf life (1 year at 20°C)
