Firstpower Tech. Co., Ltd.
Model No.: LFP1250D
Brand: firstpower
Type: Lead-Acid Batteries
Usage: UPS
Nominal Voltage: 12V
Discharge Rate: Medium Discharge Rate
Shape: Square Battery
Electrolyte: Acid
Installation: Fixed
Rechargeable: Chargeable
High Rate Discharge Battery: Sealed Lead Acid Battery
Deep Cycle Battery Factory: Back-up Battery
UPS Battery Factory: Solar Power Battery
Packaging: Carton & pallet packaging
Productivity: 2000, 000kvah/ Year
Transportation: Ocean,Land
Place of Origin: china
Supply Ability: 2000, 000kvah/ Year
Certificate: iso,UL,CE
Payment Type: L/C,T/T,D/P
Incoterm: FOB,CFR,CIF
Reserve Deep Cycle Battery LFP1250D,capacity :12V50Ah batteries is Sealed Lead Acid Battery. The final discharging voltage is the battery terminal voltage in close circuit voltage per cell to which a battery discharging safely and maximize battery life. The higher discharging current is, the lower final discharging voltage of battery should be .
can be used for just about every application, including: UPS Backup Systems, Alarm Systems, Fire Alarm Systems, Medical Equipment, Test Equipment, and much more.
Specifications
| Nominal Voltage | 12 V | ||
| Capacity (25℃) | 10HR(10.8V) | 50Ah | |
| 5HR(10.5V) | 43.7Ah | ||
| 1HR(9.60V) | 31.3Ah | ||
| Dimension | Length | 229±2mm (9.02inch) | |
| Width | 138±2mm (5.43inch) | ||
| Height | 208±2mm (8.19inch) | ||
| Total Height | T5: 230±2mm (9.06inch) | ||
| T9: 211±2mm (8.31inch) | |||
| Approx. Weight | 16.3kg (35.9lbs)±4% | ||
| Terminal type | T5/T9 | ||
| Internal resistance (Fully charged, 25℃) | Approx. 7.5mΩ | ||
| Capacity affected by temperature (10HR) | 40℃ | 102% | |
| 25℃ | 100% | ||
| 0℃ | 85% | ||
| -15℃ | 65% | ||
| Self-discharge (25℃) | 3 month | Remaining Capacity: 91% | |
| 6 month | Remaining Capacity: 82% | ||
| 12 month | Remaining Capacity: 65% | ||
| Nominal operating temperature | 25℃±3℃(77℉±5℉) | ||
| Operating temperature range | Discharge | -15℃~50℃(5℉~122℉) | |
| Charge | -10℃~50℃(14℉~122℉) | ||
| Storage | -20℃~50℃(-4℉~122℉) | ||
| Float charging voltage(25℃) | 13.50 to 13.80V Temperature compensation: -18mV/℃ | ||
| Cyclic charging voltage(25℃) | 14.50 to 14.90V Temperature compensation: -30mV/℃ | ||
| Maximum charging current | 15A | ||
| Terminal material | Copper | ||
| Maximum discharge current | 500A(5 sec.) | ||
| Designed floating life(20℃) | 15 years | ||
◆ Absorbent glass mat technology;
◆ Recognized by UL & CE;
◆ ABS container.
Constant Current Discharge Characteristics (A, 25℃)
| F.V/TIME | 10min | 15min | 30min | 60min | 2h | 3h | 4h | 5h | 8h | 10h | 20h |
| 9.60V | 107 | 83.3 | 50.5 | 31.3 | 18.3 | 12.8 | 10.5 | 8.93 | 6.12 | 5.09 | 2.67 |
| 9.90V | 104 | 81.3 | 49.5 | 30.8 | 18.2 | 12.7 | 10.4 | 8.87 | 6.08 | 5.08 | 2.67 |
| 10.2V | 100 | 78.3 | 48.0 | 30.1 | 18.0 | 12.6 | 10.3 | 8.81 | 6.04 | 5.07 | 2.66 |
| 10.5V | 95.3 | 75.7 | 46.8 | 29.5 | 17.7 | 12.5 | 10.3 | 8.75 | 6.00 | 5.04 | 2.64 |
| 10.8V | 90.0 | 71.7 | 45.1 | 28.6 | 17.3 | 12.1 | 9.94 | 8.49 | 5.82 | 5.00 | 2.63 |
Constant Power Discharge Characteristics (Watt, 25℃)
| F.V/TIME | 10min | 15min | 30min | 60min | 2h | 3h | 4h | 5h | 8h | 10h | 20h |
| 9.60V | 1157 | 915 | 567 | 357 | 212 | 150 | 123 | 105 | 72.7 | 60.8 | 32.1 |
| 9.90V | 1122 | 893 | 555 | 352 | 210 | 149 | 122 | 105 | 72.3 | 60.7 | 32.0 |
| 10.2V | 1076 | 860 | 538 | 343 | 208 | 148 | 121 | 104 | 71.8 | 60.5 | 31.9 |
| 10.5V | 1029 | 831 | 525 | 336 | 205 | 147 | 121 | 103 | 71.3 | 60.1 | 31.7 |
| 10.8V | 972 | 787 | 506 | 326 | 200 | 143 | 117 | 100 | 69.1 | 59.7 | 31.5 |
Note: The above characteristics data can be obtained within three charge/discharge cycles.
BS approval
FP Series Battery General Features
Typical Applications
Product Categories : Network Power/Reserve Battery > Reserve Deep Cycle Battery
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