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 service-life 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.
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Specifications
| Nominal voltage, V | 12 |
| Nominal capacity, Ah | 75 |
| Design life, years | 10-12 |
| Technology | AGM |
| Length, mm | 258 |
| Width, mm | 166 |
| Height,mm | 206 |
| Height without terminals, mm | 206 |
| Height max,mm | 215 |
| Weight, kg | 23 (±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 | 700 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 | 240 | 178 | 137 | 81,8 | 61,7 | 50,2 | 21,8 | 14,3 | 7,67 |
| 1.65V | 222 | 169 | 131 | 78,3 | 56,4 | 47,5 | 21,4 | 14,1 | 7,65 |
| 1.70V | 206 | 158 | 122 | 77,0 | 55,0 | 46,9 | 21,0 |
13,9 |
7,60 |
| 1.75V | 195 | 151 | 117 | 73,6 | 53,7 | 45,3 | 20,6 |
13,5 |
7,55 |
| 1.80V | 180 | 139 | 112 | 73,1 | 53,3 | 43,4 | 19,8 |
13,3 |
7,50 |
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 | 413 | 314 | 246 | 158 | 120 | 95,7 | 40,2 | 26,8 | 15,1 |
| 1.65V | 403 | 300 | 241 | 153 | 118 | 93,6 | 39,2 | 26,6 | 14,7 |
| 1.70V | 375 | 290 | 237 | 145 | 111 | 89,8 | 38,9 | 26,0 | 14,4 |
| 1.75V | 356 | 274 | 223 |
142 |
111 |
86,5 |
38,3 |
26,0 | 14,2 |
| 1.80V | 341 | 261 | 212 | 141 | 106 | 84,2 | 38,0 | 25,8 | 13,8 |