Specifications
Nominal voltage, V | 12 |
Nominal capacity, Ah | 250 |
Design life, years | 10-12 |
Technology | AGM |
Length, mm | 520 |
Width, mm | 269 |
Height,mm | 221 |
Height without terminals, mm | 221 |
Height max,mm | 227 |
Weight, kg | 74 (±3%) |
Description
Sealed maintenance-free lead-acid batteries series DTM L ASTERION brand are manufactured by AGM technology (electrolyte absorbed in glass fiber separators) and equipped with VRLA valves. Series DTM L refers to a Long-Life series with a servicelife up to 12 years. Due to a wide range of batteries and their high performance, are recommended for use in a variety of uninterruptible power supply systems, including exacting electrical appliances (submersible and circulation pumps, boilers of heating systems), emergency power supply and other electrical devices.
Battery construction
Element | Positive plate | Negative plate | Case | Lid | Valve | Terminal | Separator | Electrolyte |
---|---|---|---|---|---|---|---|
Material | Lead dioxide | Lead | ABS | Rubber | Copper | Fiberglass | Acid |
Performance & characteristics:
- AGM technology allows to recombinate 99% of the generated gas;
- No restrictions on air transportation;
- Compliance with the UL requirements;
- Lead plates, alloyed by calcium, provide high energy density;
- Maintenance-free. Do not require distillate topping;
- Long service life;
- The battery case is made of flame-retardant ABS plastic.
Application:
- Uninterruptable power supply
- Back up power supply
- Medical devices
- Wheelchair
- Space-heating system
- Renewable energy systems
Operating temperature range
Discharge | -20÷60 |
---|---|
Charge | -10÷60 |
Storage | -20÷60 |
Cycle mode (2,35÷2,4 V/cell): | |
Maximum discharge current | 1250 А |
Temperature correction factor | 30 mV/°С |
Standby mode (2,25÷2,3 V/cell): | |
Temperature correction factor | 20 mV/°С |
Discharge Constant Current, A ( 25°С)
V/cell | 5 min | 10 min | 15 min | 30 min | 45 min | 1 h | 3 h | 5 h | 10 h |
---|---|---|---|---|---|---|---|---|---|
1.60V | 805 | 579 | 486 | 288 | 205 | 169 | 76,2 | 49,5 | 25,6 |
1.65V | 748 | 548 | 452 | 271 | 196 | 161 | 73,3 | 47,7 | 25,4 |
1.70V | 699 | 517 | 436 | 265 | 192 | 158 | 72,0 |
47,0 |
25,3 |
1.75V | 656 | 486 | 406 | 252 | 187 | 154 | 69,9 |
45,6 |
25,2 |
1.80V | 616 | 461 | 375 | 241 | 185 | 150 | 67,7 |
44,6 |
25,0 |
Discharge Constant Power, W/cell ( 25°С)
V/cell | 5 min | 10 min | 15 min | 30 min | 45 min | 1 h | 3 h | 5 h | 10 h |
---|---|---|---|---|---|---|---|---|---|
1.60V | 1371 | 999 | 850 | 522 | 380 | 315 | 144 | 93,8 | 51,4 |
1.65V | 1275 | 945 | 808 | 498 | 365 | 305 | 140 | 92,4 | 51,2 |
1.70V | 1191 | 898 | 784 | 488 | 361 | 299 | 138 | 91,0 | 50,8 |
1.75V | 1117 | 839 | 740 |
471 |
349 |
292 |
132 |
88,2 | 49,7 |
1.80V | 1050 | 795 | 693 | 458 | 342 | 285 | 128 | 85,4 | 48,9 |