MSV-800-CSB Battery-2V800AH-2V Long Life Battery

**MSV series  

MSV-800**

Valve Regulated Lead Acid Battery  

Maintenance-Free Sealed Lead Acid Battery.  

Absorbent Glass Mat (AGM) technology for efficient gas recombination of up to 99%.

**General:**  

- Design for Standby Power Applications  

- **Design Life:** Up to 15 Years in Standby Service at 25℃  

- **Float Charging Voltage:** 2.21 ~ 2.25 VDC/Unit at 25℃ (77℉)  

- **Equalization Charging Voltage:** 2.35 VDC/Unit at 25℃ (77℉)  

- **Operating Temperature Range:** Nominal Operating Temperature: 25℃(77℉)  

  - Discharge: -15℃ ~ 50℃ (5℉~122℉)  

  - Charge: -15℃ ~ 40℃ (5℉~104℉)  

  - Storage: -15℃ ~ 40℃ (5℉~104℉)

**Specification:**  

- **Nominal Voltage:** 2V (single cell per unit)  

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

- **Weight:** Approx. 50.60 Kg (111.52 lbs)  

- **Maximum Discharge Current:** 4800 A (5sec)  

- **Internal Resistance:** Approx. 0.38 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)  

**Dimensions:**  

- Length (L): 373.0±2.5 mm (14.69±0.10 inch)  

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

- 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    | 1138  | 783   | 518   | 306  | 262   | 230  | 154  | 134  | 106  | 90.0 | 45.0 | 37.5 |

| 1.67V    | 1038  | 746   | 494   | 296  | 250   | 218  | 148  | 128  | 104  | 88.0 | 44.0 | 36.7 |

| 1.70V    | 964   | 728   | 486   | 290  | 247   | 216  | 146  | 126  | 102  | 86.0 | 43.0 | 35.8 |

| 1.75V    | 842   | 671   | 448   | 274  | 232   | 202  | 138  | 120  | 98.0 | 82.0 | 41.0 | 34.2 |

| 1.80V    | 732   | 587   | 422   | 264  | 223   | 194  | 134  | 118  | 96.0 | 80.0 | 40.0 | 33.3 |

| 1.83V    | 636   | 519   | 390   | 248  | 212   | 186  | 128  | 112  | 91.2 | 78.0 | 39.0 | 32.5 |

**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    | 1865  | 1378  | 922   | 554  | 473   | 416  | 282  | 248  | 200  | 168  | 84.0 | 70.0 |

| 1.67V    | 1707  | 1318  | 920   | 550  | 468   | 410  | 280  | 246  | 198  | 166  | 83.0 | 69.2 |

| 1.70V    | 1627  | 1276  | 890   | 538  | 458   | 402  | 278  | 242  | 194  | 164  | 82.0 | 68.3 |

| 1.75V    | 1473  | 1191  | 832   | 514  | 439   | 386  | 266  | 232  | 190  | 160  | 80.0 | 66.7 |

| 1.80V    | 1343  | 1066  | 784   | 494  | 421   | 370  | 258  | 226  | 184  | 158  | 79.0 | 65.8 |

| 1.83V    | 1144  | 925   | 722   | 464  | 400   | 354  | 246  | 216  | 176  | 152  | 76.0 | 63.3 |

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