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The Effect of Ambient Temperature on Self-Discharged Rate of Deep Cycle Lead-Acid Solar Battery
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Volume 6, 2019
Issue 3 (June)
Pages: 21-26   |   Vol. 6, No. 3, June 2019   |   Follow on         
Paper in PDF Downloads: 18   Since Oct. 11, 2019 Views: 828   Since Oct. 11, 2019
Joseph Abiodun Amusan, Department of Physics, University of Port Harcourt, Port Harcourt, Nigeria.
Esijolomi Benjamin Otokunefor, Department of Physics, University of Port Harcourt, Port Harcourt, Nigeria.
The effect of ambient temperature on self-discharged rate of deep cycle Lead-Acid solar battery was studied. The study was carried out in the university of Port Harcourt environment (Latitude 4.8156°N and Longitude 7.0498East), Rivers State, Nigeria (tropical climate region). 250W solar panel was used to charge 100amp-hr, 12V AGM VRLA deep cycle Lead-acid battery through a 12/24V CM 30D charge controller. The self-discharge process was achieved and readings were gotten using a -22°C to 300°C range digital thermometer to measure ambient and cell temperatures. F200mA/250Q5 DTA92050A/9V digital multimeter measured the terminal voltage. The results reveal that change in ambient temperature is directly proportional to the change in self-discharged voltage. As ambient temperature increases, self-discharging voltage increases. Thus, ambient temperature induces the rate of self-discharge of deep cycled Lead-Acid solar battery.
Voltage, Temperature, Lead-Acid Battery, Charge Controller, Self-discharge
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