MSJ-800-CSB Battery-2V800Ah-Gel Battery

MSJ Series

MSJ-800

**General**  

**Design for Standby Power Applications**  

【Design Life】  

Up to 20 Years in Standby Service at 25℃ Eurobat (20℃): >12 YEARS VERY LONG LIFE  

【Operating Temperature Range】  

Nominal Operating Temperature: 25℃(77℉)  

Discharge: -15℃ ~ 50℃ (5℉~122℉) Charge: -15℃ ~ 40℃ (5℉~104℉) Storage: -15℃ ~ 40℃ (5℉~104℉)  

【Float Charging Voltage】  

2.21 ~ 2.25 VDC/Unit at 25℃ (77℉)  

【Equalization Charging Voltage】  

2.35 VDC/Unit at 25℃ (77℉)  

【Self Discharge】  

Less than 10% after 90 days, can be stored up to 6 months at 25℃ (77℉); Fully recharging is required before usage, and charged sooner if stored at higher temperature than 25℃ (77℉).

**Specification**  

Nominal Voltage: 2V (single cell per unit)  

Nominal Capacity: 800 Ah @10hr-rate to 1.80V per cell @25℃ (77℉)  

Weight: Approx. 56.70 Kg (124.97 lbs)  

Maximum Discharge Current: 4800 A (5sec)  

Internal Resistance: Approx. 0.25 mΩ  

Maximum Charge Current: 240 A  

Terminal types: I4 thread copper alloy terminal to accept M8 bolt  

Terminal tightening torque: 126±25 Kgf∙cm / 109±22 Lbf∙in / 12.3±2.5 N∙m  

Container Material: Flame Retardant ABS (UL 94‐V0)  

Depth (D): 373.0±2.5 mm, 14.69±0.10 inch  

Width (W): 174.0±2.0 mm, 6.85±0.08 inch  

Dimensions  

Container height (h): 331.0±2.5 mm, 13.03±0.10 inch  

Overall Height (H): 339.0±2.5 mm, 13.15±0.10 inch  

**Constant Current Discharge Characteristics**  

**Unit: A (25℃, 77℉)**  

| F.V/Time | 15MIN | 30MIN | 60MIN | 2HR | 2.5HR | 3HR | 5HR | 6HR | 8HR | 10HR | 20HR | 24HR |

|----------|-------|-------|-------|-----|-------|-----|------|------|------|-------|-------|-------|

| 1.60V    | 1408  | 993   | 608   | 348 | 290   | 250 | 157  | 133  | 104  | 86.2  | 43.1  | 35.9  |

| 1.67V    | 1262  | 943   | 592   | 344 | 287   | 247 | 156  | 132  | 103  | 85.5  | 42.7  | 35.6  |

| 1.70V    | 1186  | 912   | 581   | 341 | 284   | 245 | 155  | 131  | 103  | 85.1  | 42.5  | 35.5  |

| 1.75V    | 1066  | 830   | 553   | 333 | 279   | 241 | 152  | 129  | 101  | 84.0  | 42.0  | 35.0  |

| 1.80V    | 912   | 735   | 510   | 319 | 268   | 232 | 147  | 126  | 99   | 81.8  | 40.9  | 34.1  |

| 1.83V    | 806   | 674   | 477   | 305 | 257   | 223 | 143  | 122  | 96   | 79.6  | 39.8  | 33.1  |

**Constant Power Discharge Characteristics**  

**Unit: W (25℃, 77℉)**  

| F.V/Time | 15MIN | 30MIN | 60MIN | 2HR | 2.5HR | 3HR | 5HR | 6HR | 8HR | 10HR | 20HR | 24HR |

|----------|-------|-------|-------|-----|-------|-----|------|------|------|-------|-------|-------|

| 1.60V    | 2466  | 1800  | 1105  | 665 | 553   | 476 | 312  | 268  | 205  | 160   | 80.2  | 66.8  |

| 1.67V    | 2292  | 1732  | 1084  | 658 | 548   | 472 | 310  | 266  | 203  | 159   | 79.6  | 66.4  |

| 1.70V    | 2201  | 1687  | 1068  | 654 | 545   | 470 | 309  | 265  | 202  | 159   | 79.3  | 66.1  |

| 1.75V    | 2012  | 1577  | 1024  | 640 | 535   | 462 | 305  | 262  | 199  | 156   | 78.2  | 65.2  |

| 1.80V    | 1804  | 1424  | 955   | 615 | 516   | 447 | 297  | 255  | 193  | 152   | 75.9  | 63.3  |

| 1.83V    | 1626  | 1328  | 901   | 590 | 497   | 433 | 289  | 249  | 187  | 147   | 73.6  | 61.3  |

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