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12 Volt 135 Amp Hour

12V 135 Amp Hour UB121350 AGM

UB121350 Part#: UB121350

12 Volt 135 Amp Hour
AGM Battery
$376

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Specifications:  Features:
Dim (LxWxH):13.39 x 6.81 x 11.22 Valve Regulated AGM
Actual Weight:87.08 Spill Proof
Voltage:12 Maintenance Free
Amp Hour:135.0 Lower Self Discharge
Charge Voltage:14.4 - 14.7 Vibration Resistant
Float Voltage:13.6 - 13.8 No Corrosion
Operating Temp-4 F to 104 F Non Hazardous
Warranty:1 Year ABS Case
Approvals:DOT, IATA, ICAO  
Terminal:B2 - Female Threaded  

Universal Sealed Lead Acid Batteries

This 12 volt 135 amp hour AGM sealed lead acid battery is the valve-regulated type (sometimes called "sealed" or maintenance-free), which fixes the acid electrolyte in an absorptive fiberglass mat. Most of the sealed batteries under about 30 amp hours are AGM, or absorbed glass mat. This 135 ah size is found in telecom, UPS, industrial equipment, marine applications, RV, scientific devices, solar, etc. They are sometimes only used as a backup battery, or APS system, constantly float charged, only providing power if the primary power (AC) goes out. In this role they routinely last 5 years or more. In cyclic applications, where they are discharged, the life will be a funtion of the depth of discharge, and the frequency. A routine 100% discharge will give about 250 cycles, whereas a routine 30% discharge will give about 1250 cycles. So keeping lead acid batteries charged whenever possible, extends their life. Using a microprocessor controlled charger is part of this proper battery maintenance, for maximum life. We recommend opportunity charging, for example, in an industrial application, where the batteries are charged each night, or even during the day when not in use, to keep the average depth of discharge above 50%, which helps with longer cycle life.

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