12V 80A Rechargeable Sealed Lead Acid Battery
12V 80A Rechargeable Sealed Lead Acid Battery
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12V 80A Rechargeable Sealed Lead Acid Battery for Cel-Fi QUATRA RED DAS (Distributed Antenna System) Battery Backup Unit as well as other brand name Public Safety DAS or signal booster, amplifier, enhancing systems requiring extended power supply applications for emergency operational uses.
|Rated capacity (20 hour rate)||80Ah.|
|Dimensions (inches)||10.24 (length) x 6.61 (width) x 8.31 (height). Total height with terminals = 8.46 inches.|
|Weight (pounds)||55.8 lbs.|
|Capacity at 25 Degrees Centigrade||20 Hr. (10.8V) = 80Ah, 3 Hr. (10.8V) = 61.5Ah, 1 Hr. (10.5V) = 46Ah.|
|Internal resistance (Fully charged at 25 Degrees Centigrade)||Approx. 5m Ohm.|
|Capacity affected by temperature||40°C = 102%, 25°C = 100%, 0°C = 85%, -15°C = 65%.|
|Self-discharge at 25°C||3 Months Remaining Capacity = 91%, 6 Months Remaining Capacity = 82%, 12 Months Remaining Capacity = 65%.|
|Nominal operating temperature||25°C ± 3°C (77°F ± 5°F).|
|Operating temperature range||Discharge = -15°C ~ 50°C (5°F ~ 122°F), Charge = -10°C ~ 50°C (14°F ~ 122°F), Storage = -20°C ~ 50°C (-4°F ~ 122°F).|
|Float charging voltage at 25°C||13.50 to 13.80V Temperature compensation: -18mV/°C.|
|Cyclic charging voltage at 25°C||14.50 to 15.00V Temperature compensation: -30mV/°C.|
|Maximum charging current||24A|
|Maximum discharge current||700A (5 sec.)|
|Designed floating life at 20°C||10 years|
|Positive plate||Lead dioxide|
Battery discharge characteristics at 25 degrees centigrade:
Battery charging characteristics at 25 degrees centigrade:
Temperature effects on battery capacity:
Battery self-discharge characteristics:
Floating battery Life based on temperature:
Battery cycle life on D.O.D. (depth of discharge) at 25 Deg. C.:
OCV (Open Current Voltage) versus battery capacity at 25 Deg. C.:
Battery charging voltage versus temperature graph:
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Note: For any signal booster to help, outside signal strength must be at least -110 dB or there must be a clear line of sight to a cell tower that is within twenty miles. Before ordering, please check outside signal level in decibels or ensure that you can make and hold a phone call at any good spot outside where you can mount an exterior antenna. Square footage stated in signal booster listings is based on good signal outside. If it is any weaker, the boosted sq. ft. area will be considerably lower, accordingly.
Kevin K. of Anderson, California gave the following review:
Website is easy to use with plain straight forward info but could have had more on testing signal strength to make sure you get a strong enough booster.
Therefore, please note that stated sq. ft. coverage is based on good signal outside. For best results: If outside signal is weak, we suggest choosing the next higher sq. ft. coverage kit. If outside signal is very weak, we suggest choosing the kit with even more higher sq. ft. range bracket. Basically, higher the sq. ft. bracket, the more powerful the signal amplifier with greater Gain as well as higher uplink and downlink output power.
If outside signal is too weak (weaker than -110 dB), submit request for cell coverage solution assessment. Upon receipt of questionnaire, we will perform residential or business site survey. This will help us determine the system that is needed to improve cell coverage. Then, we will create system design using that system such as femtocell, active or hybrid distributed antenna system (DAS), or other carrier feed signal enhancing method available that will work at your signal-challenged location. Finally, we will schedule for installation after equipment and installation service quote has been approved by you, or your company.
For non installation-included kits: Most home / office / building cell signal booster kits only include bracket to mount exterior antenna on outside wall, edge of roof, or existing pipe up to 2 inches in diameter. Mounting pole not included with most kits, unless stated specifically that it is included for free. Therefore, a mounting post must be purchased separately if you will require it to mount exterior antenna.