12 * 200 = 2400 Watt-hours, so theoretically it could last 2.4 hours. So you need 1200 / 250 = 4.8 hours of bright sunlight. Runtime with 50% Safe Discharge Level - The last field tells you approximately how long your battery will last under the given load and circumstances. Petrol left in a fuel tank would show up as a … Ok. 200AH @12Vdc = 2400 WattHours and that is for a Brand New Battery being discharged to Totally FLAT, which will KILL that Battery, DEAD, in just a few Cycles. Renogy's 12v AGM Battery will keep you going for as long as you need. Throw away how long will a battery last calculator, and l et’s see an actual case, 10 Ah battery delivering 1A, would last 10 hours. For a 200ah battery, if you are giving 1A(Ampere) supply, it’ll take 200hours to fully charge. While the volts is indicative of how much power is left, it is not like a fuel gauge. Never be without power agian. The nominal total energy in Your battery is: 12 V * 200Ah = 2400 Wh So in consequence the maximum time to run this motor with full power is: 2.4 kWh / 3 kW = 0.8 h = 48 minutes. Wet Cell, Gel or AGM can give different voltage readings for percentage of charge left. Subsequently, question is, how long will a 200ah battery last? Hi all I want to install a solar power system for my office that consumes 4,000 Watts. I want to install 4 X 64 W panels , 250AH Batteries. Battery capacity is a measure (typically in Amp-hr) of the charge stored by a battery. Or if delivering 10A, it would last for only 1 hour, or if delivering 5A, it would last … In the commuter car example we referenced, if a flooded battery lasts three to five years, an AGM battery could last six to ten years or longer. Kindly shed light on my query. We can generally say an AGM battery can last two to three times as long as a flooded battery. FREE SHIPPING! This place receives at least 10 Hours of day light it is on the equator. Secondly, how many solar panels does it take to charge a 100ah battery? A single solar panel of 280 watts will do the work for you. If i have a 12V inverter system, using a 1* 200AH battery and a 48V inverter system which requires 4*200AH battery to get the system to perform. Under a 15 amp load, our 100 AH Battery should be discharged no more than 6 hours and 9 minutes. 2) Battery Type. Then find out wattage of the panels required ( voltage x current ). Deep Cycle AGM Battery 12 Volt 200Ah. You may think that calculating how long a battery will last at a given rate of discharge is as simple as amp-hours: e.g. (Up to maximum current that your battery can handle) So by fixing your desired charging time, you can determine the current. Let’s find out how long a 100AH AGM battery can power a 150 watt TV below. for a given capacity C and a discharge current I, the time will be, However, battery capacity decreases as the rate of discharge increases. Exclusions may apply See Details. In practice when you discharge a lead-acid battery at a high rate (in this case Capacity / 2.4 -- which is a high rate), you don't get all that energy. As can be seen in Figure 1 the battery type e.g. The 200AH battery can feed 200 Amps for 1 hour, or 100 Amps for 2 hours, or 10 amp for 20 hours. and a 4.5 to 5KW Inverter, How long can the system power all appliances during the day or during the night? 150 watt TV / 12-volts = 12.5 amps. If you use 2A supply, it’ll take only 100hrs. (watts = amps x volts) 12.5 amps / 0.85 efficiency of inverter = 14.7 amps needed from the battery to overcome the 15% loss of the inverter and still provide 12.5 amps to the TV. And so on. 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