Hey guys, I need some help, I'm new and learning, I'm wanting to build a system with (8) 12 volt batteries to get 24 volts ? Simi 60Solar EnthusiastJoinedJul 10, 2021Messages145
Same setup we currently have JoinedFeb 11, 2021
Messages565
Best is method 4. With 12V batteries that will be 24 Volts. For 8 batteries, do it twice. Then consider each group as a single battery, parallel them together taking positive off one group and negative off the other group. @Simi 60
Read this: http://www.smartgauge.co.uk/batt_con.html Simi 60Solar EnthusiastJoinedJul 10, 2021Messages145
When I said same method we currently have it was more the 8 x12 into 24v JoinedFeb 11, 2021Messages565
When I said same method we currently have it was more the 8 x12 into 24v You should read the article. What you posted would have the batteries closest to the top of the diagram working twice as hard as the bottom batteries. With lead acid batteries the would
over time result in sulfation and shortened battery life. The connections should be made so that the batteries are equal. Method 3 or 4 in that article describe how to do that. Batteries can be wired in an electrical circuit so that their voltages add together. This is necessary when you don’t have a single battery that provides the voltage needed for a particular electrical device. This is an especially common problem with marine equipment, which frequently uses 24 volts, while many batteries are only 12 volts. With enough patience and the careful following of instructions, 12 volt batteries can provide 24 volts of battery of energy in no time. Connect the BatteriesConnect the battery’s positive terminal to the positive terminal (power lead) of an electrical device with a battery cable. Connect the battery’s negative terminal to the electrical device’s negative terminal (ground connection) with another electrical cable. It's important to make sure you that your work space in clean and clear and free of any flammable materials like alcohol, gasoline, or other simple household items like flammable cleaning solutions as well as items of clothing, towels, and blankets that could easily catch fire if near a flame. You should also be careful to be free of any standing or puddled water while working. It's very easy to be electrocuted when working with batteries and voltage near and around water. Working with any sort of electricity grounded or not, there is always some element of danger for shock, electrocution, fire, or worst. Proceed with caution at all times. What's the Current of the Battery?Observe that this arrangement provides 12 volts of current. If the electrical device is a 24-volt trolling motor, the battery will only provide the motor with 12 of the 24 volts of electricity it needs to start the boat. Adding the Additional BatteryAdd a second 12 volt battery to the circuit. Disconnect the cable from the starter’s ground connection and connect it to the second battery’s negative terminal. Connect a battery cable from the second battery’s negative terminal to the starter’s ground connection. How Much Power is Running to the Batteries?Calculate the total voltage in the circuit. This circuit has the batteries wired in series, which means that the voltages add together. The total voltage in the circuit will therefore be 24 volts, and the batteries can run the starter. Use 12-volt batteries to run a 12-volt and 24-volt devices. For example, a boat may have a 12-volt starter for the main engine and a 24-volt trolling motor. By wiring a pair of 12 volt batteries in series, you can use the same batteries to perform two different tasks. As with any trial and error procedure, it's important to dispose of all used and unused materials properly. Tossing the materials in the trash could unknowingly create a fire hazard. Things You'll Need
Does adding a second 12V battery equal 24V?Connecting batteries in series increases the amount of voltage. It doesn't increase the ampere capacity. For example, if you connect two 12V 30Ah batteries in series, you get a combined voltage of 24V. The capacity, 30 amp hours (Ah), stays the same.
Can you convert 12 volts to 24 volts?Yes! you can step voltage up or down for various uses. It's possible, using your normal 12V batteries or a converter device, to convert 12V to 24V. However, keep in mind that the easiest way to achieve 24V is simply by buying a 24V battery or putting two 12V batteries in series.
How do you jump a 24 volt battery with 2 batteries?Connect the other 12-volt battery to the negative terminal of the 24-voting system. 3. Finally, touch the positive terminal of the first 12-volt battery to the negative terminal of the second 12-volt battery - this will provide enough power to 'jump' start your 24 volt system.
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Hooking up 2 12 volt batteries to make 24 volts
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