Through-wall welding thechnology:Advanced pole-group welding, casting and through-wall welding technology;
Plate:The raw material is lead ingot with purity up to 99.9%
| Nominal Voltage | 12V | |
| Nominal Capacity(10HR) | 250AH | |
| Dimension | Length | 522 ±3mm (20.55 inches) |
| Width | 268 ±2mm (10.55 inches) | |
| Container Height | 220 ±2mm (8.66inches) | |
| Total Height (withTerminal) | 225 ±2mm (8.86 inches) | |
| Approx Weight | Approx 63.8 kg (140.65lbs) | |
| Terminal | T11 | |
| Container Material | ABS | |
| Rated Capacity | 257.3AH/12.8A | (20hr ,1.80V/cell,25℃/77℉) |
| 250.0 AH/25.0A | (10hr,1.80V/cell,25℃/77℉) | |
| 218.7 AH/43.7A | (5hr,1.75V/cell,25℃/77℉) | |
| 198.7 AH/66.2A | (3hr,1.75V/cell,25℃/77℉) | |
| 161.5 AH/161.5A | (1hr,1.60V/cell,25℃/77℉) | |
| Max. Discharge Current | 2000A (5s) | |
| Internal Resistance | Approx 2.0mΩ | |
| Operating Temp.Range | Discharge : -30~50℃ (5~122℉) | |
| Charge : 0~40℃ (32~104℉) | ||
| Aircraft signal Storage : -30~40℃ (5~104℉) | ||
| Nominal Operating Temp. Range | 25 ±3℃ (77 ±5℉ ) | |
| Cycle Use | Initial Charging Current less than 75.0A.Voltage Communication power supply 14.4V~14.9V at 25℃(77℉)Temp. Coefficient -30mV/℃ | |
| Standby Use | No limit on Initial Charging Current Voltage Auto controlsystem 13.5V~13.8V at 25℃(77℉)Temp. Coefficient -20mV/℃ | |
| Capacity affectedby Temperature | 40℃ (104 ℉)103% | |
| 25℃ ( 77 ℉ )100% | ||
| 0℃ ( 32℉ ) 86% | ||
| Self Discharge | GEL batteries may be stored for up to 6 months at 25℃(77℉) and battery should be recharge before use . For higher temperatures the time interval will be shorter. | |