Copyright © 2017 For Leaves Limited
News Center

For Leaves Limited, founded in 2012, specialized in production of PV module. Now mostly focuses on the customized solar panel, like semi flexible, ETFE panel and other special type & materials solar panel. Meanwhile, offer the complete solution of dc charging system.

Ur Location :
PV Battery - Photovoltaic System Component
Source: Solar Direct | Author:For Leaves Ltd | Publish time: 2015-08-02 | 4131 Views | Share:

Good care and caution should be used at all times when handling a battery. Improper battery use can result in explosion. Read all documentation included with your battery in its entirety.

Wattage, Volts, Amps, etc.

Most electrical appliances in the United States are rated with wattage, a measure of energy consumption per unit of time. One watt delivered for one hour equals one watt-hour. Wattage is the product of current (amps) multiplied by voltage.

watt = amps x volt

One amp delivered at 120 volts is the same amount of wattage as 10 amps delivered 12 volts:

1 amp at 120 volts = 10 amps at 12 volts

Wattage is independent of voltage:

1 watt at 120 volts = 1 watt at 12 volts

To convert a battery's amp-hour capacity to watt-hours, multiply the amp-hours times the voltage. The product is watt-hours.

To figure out how much battery capacity it will require to run an appliance for a given time, multiply the appliance wattage times the number of hours it will run to yield the total watt-hours. Then divide by the battery voltage to get the amp hours.