12V50ah Gel Battery Lead Acid Battery for Solar System
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- 100 pieces
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Product Specifications
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Product Description
Battery advantage
Low-internal resistance clapboard, low internal resistance, good battery capacity
Self-discharging rate less than 3% every month.
Gassing rate of gelled batteries is only 5% of ordinary sealed batteries.
The lifespan is greater than 1000 times at 25C°
Characteristic description
1. Application field: Applies to solar energy(wind)household systems, off-grid power station,
solar energy (wind) communication base station, solar energy(wind)lamps, mobile energy storage system,
solar traffic lights, solar building system,etc.
2.Executive standards: GB/T 22473-2008<< Lead acid battery used for energy storage>>,
IEC 61427-2005 <<Secondary cells and batteries for photovoltaic energy systems(PVES)-general requirements and methods of test >>.
3.Integrated Performance:
The major products can be divided into two series, Lead acid and Gel, of which gel batteries is
more outstanding: wide temperature range, good recovery ability after over-discharge,long cycle life.
1) Patent structure: Convenient wire type structure for connection(Patent No. ZL200720045887.1
and L200720037066.3), achieves a true underground installation, avoids the pole corrosion.
2) Recovery performance: adopt special alloys and lead paste formulations, make a low self-discharge
rate, good deep discharge tolerance, and strong recover capability.
3) Charging efficiency: using imported low resistance raw materials and advanced process,
make a small internal ture tolerance: wide temperature range(lead-acid: 25-50 C, and gel: -35-60 C),
suitable for indoor and outdoor use in varies environments.
4) High and low temperature tolerance:wide temperature range(lead-acid:-25-50 and gel:-35-60),
suitable for indoor and outdoor use in varies environments.
5) Long cycle-life: Using multiple rare-earth alloy of independent intellectual propets, nanoscale
fumed silica imported from Germany as base materials,and electrolyte of nanometer colloid all by
independent research and development.The grid is corrosion resistant,and without electroyte
stratification in electrol
Technical parameters of 12V50Ah
Specifications
Nominal Voltage | 12V | |
Rated capacity (10 hour rate) | 50Ah | |
Dimensions | Length | 230±2mm(9.06inch) |
Width | 138±2mm(5.43inch) | |
Height | 211±2mm(8.31inch) | |
Total Height | 215±2mm(8.46inch) | |
Approx. Weight | 15.2kg(35.7lbs)±3% |
Features
Capacity (25ºC) | 10HR(10.8V) | 50Ah | |
3HR(10.8V) | 37.5Ah | ||
1HR(10.5V) | 27.5Ah | ||
Terminal type | T14 | ||
Internal resistance (Fully charged,25ºC) | Approx.7m Ω | ||
Capacity affected by temperature (10HR) | 40ºC | 102% | |
25ºC | 100% | ||
0ºC | 85% | ||
-15ºC | 65% | ||
Self-discharge(25ºC) | 3 months | Remaining Capacity:91% | |
6 months | Remaining Capacity:82% | ||
12 months | Remaining Capacity:65% | ||
Nominal operating temperature | 25ºC±3ºC(77ºF±5ºF) | ||
Operating temperature range | Discharge | -15ºC~50ºC(5ºF~122ºF) | |
Charge | -10ºC~50ºC(14ºF~122ºF) | ||
Storage | -20ºC~50ºC(-4ºF~122ºF) | ||
Float charging voltage(25ºC) | 13.50 to 13.80V Temperature compensation: -18mV/ºC | ||
Cyclic charging voltage(25ºC) | 14.50 to 14.70V Temperature compensation: -30mV/ºC | ||
Maximum charging current | 10A | ||
Maximum discharge current | 500A(5 sec.) | ||
Designed floating life(20ºC) | 12years |
Discharge curve
Constant power meter
ConstantCurrentDischargeCharacteristicsUnit:A(25ºC,77ºF)
F.V/Time | 10min | 15min | 30min | 60min | 2h | 3h | 4h | 5h | 8h | 10h | 20h |
9.60V | 97.5 | 80.0 | 48.5 | 30.0 | 18.3 | 13.0 | 10.2 | 8.67 | 6.12 | 5.09 | 2.70 |
9.90V | 94.6 | 78.1 | 47.5 | 29.6 | 18.2 | 12.9 | 10.1 | 8.62 | 6.08 | 5.08 | 2.69 |
10.2V | 90.7 | 75.2 | 46.1 | 28.8 | 18.0 | 12.8 | 10.1 | 8.56 | 6.04 | 5.07 | 2.68 |
10.5V | 86.8 | 72.6 | 45.0 | 27.9 | 17.7 | 12.8 | 10.0 | 8.50 | 6.00 | 5.04 | 2.67 |
10.8V | 81.9 | 68.8 | 43.3 | 27.0 | 17.3 | 12.5 | 9.70 | 8.25 | 5.82 | 5.00 | 2.65 |
ConstantPowerDischargeCharacteristicsUnit:W(25ºC,77ºF)
F.V/Time | 10min | 15min | 30min | 60min | 2h | 3h | 4h | 5h | 8h | 10h | 20h |
9.60V | 1053 | 878 | 544 | 342 | 212 | 153 | 120 | 102 | 72.7 | 60.8 | 32.4 |
9.90V | 1021 | 857 | 533 | 337 | 210 | 152 | 119 | 102 | 72.3 | 60.7 | 32.3 |
10.2V | 979 | 826 | 517 | 328 | 208 | 151 | 118 | 101 | 71.8 | 60.5 | 32.2 |
10.5V | 937 | 798 | 504 | 318 | 205 | 150 | 118 | 100 | 71.3 | 60.1 | 32.0 |
10.8V | 885 | 755 | 486 | 308 | 200 | 147 | 114 | 97.5 | 69.1 | 59.7 | 31.8 |
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