The system should be everything that you need for your boat battery wiring. I would use a battery isolator to charge the group of batteries and that isolator would be connected to the com post of the perko. It can also allow you to use both batteries in parallel as long as your system uses batteries that are under 50 volts capacity or 250 amp continuous and 360 amp intermittently. It is shocking how little I know about electricity. Keep in mind that if one is considerably longer than the other 15 feet or more you may want to consider increasing the size of the positive and negative cables to that battery to help reduce voltage drop. You can also buy switches with locks for security against boat theft, and some have field disconnect circuits to protect the alternator in case you turn the batteries off while the engine is running. Putting the switch in the 2 position, connects the 2 battery to all that extra stuff bilge, lights whatever.
If the clamp is using a nut and bolt then you need to loosen the bolt on the clamp that is attached to the existing battery using a wrench then push the clamp down hard using your hands so it makes enough room for you to connect the other battery cable clamp. Dear EzAcDc, I am planning on buying the for my application. Your existing positive boat battery cable connection will connect directly to the battery switch and your existing negative battery cable connection will connect to the ground bus. Unplug the engine battery cable running from the engine to the battery. Connect the + side of fuse buss to the + terminal of the 2 battery on the battery switch. Place the second battery inside the box.
Use the same connection point as the first battery if convenient. Use 4 or 6 copper lug terminal connectors to attach the tinned 4 or 6 wires from the fuse buss to the battery switch and boats ground buss bar. Does the wire coming from the alternator go to C or common on the switch? Two golf cart batteries in a series, closely approximates the capacity of one 8D 130lbs each , in a smaller footprint, with much easier handling 68 lbs per piece. Not looking forward to moving 8D's around at 130 lbs a piece, I decided to go with 6 volt golf cart size batteries. You can always charge the deep cycle at home separately if necessary. Battery switches allow you, for example, to charge both batteries while the engine is running. Connect the Negative Crossover In order for the dual-battery system to operate properly, you need a crossover cable between the negative terminals of the two batteries.
Mount the second battery box near the primary battery and secure it with the brackets and screws provided with the kit, using a Phillips screwdriver. Next connect the — side of the fuse buss to the ground buss bar of your boat. It looks like you have an isolator on the battery that the amp is hooked directly to? ThanksI'm attempting to hook up dual batteries and using a perko switch, I was told to run + on batt 1 to 1 post on perko and + on batt 2 to 2 post on switch, all wires currently hooked on + on stock battery to the common post on perko, I also got told to run + from alternator to common post on perko. I currently have a single engine connected to a. So I'm too scared to leaving my stereo playing for to long because I don't know if it is also draining my starting battery. There is one in the front for the electronics.
I still had erratic operation. Starting to think i am sorry I asked. What is the model number of your switch? Either way, i hope some of this info helps. When on 'both' I want both batteries to be charged while running and of course use the Stereo. We always left our battery switch on both or off, depending on whether we using the boat or not. Please give me a call if you have any other questions. When I start the boat I want to switch to 1 or 'both'.
I have the positive from the engine going to the common lug on the selector switch and the 1 terminal on the switch going to 1 battery positive and the 2 terminal on the switch will go to the 2 battery positive. It had to be the battery switch itself that was causing the problem. Now I purchased 2 Trojan 6 volt batteries for the stereo. You can install it if you have basic do-it-yourself skills and some common tools. All boaters could benefit from using a , even if there are only some boats that require them. Thank you, Hi, Any idea the charging output of your 110 hp motor? Locate switch to keep battery cables as short as possible. The first 3 pictures were the original setup and the last pictures was the new amp install to the battery.
In all cases, I am grounded to the battery, I have no other choice, and the grounds to the two batteries are jumped together with the black wire from the motor that is hooked to batt 2. It may seem like a strange concept that if you simply set it to pull from one battery to the other you will add battery life, but it is true. Next, install the Cole unit and run a 10ga. I could really use some pics as you said pictures are worth a thousand words. I have installed inline 30 amp fuses to the downrigger power lines.
However I have my X-135 is connected to Battery 1 with a fuse in line, and my black box also with a seperate fuse. Also, are the house batteries also going to run a 24v trolling motor or strictly 12v stuff on the boat? Most say that it is an excellent choice for anyone who wants a heavy-duty switch that is weather proof and ideal just about any application. Hook to the Com terminal if you do not want accessories when the switch is in off position. Or does your wire replace that? How Can Battery Switches Prolong the Life of Your Battery? Any film of grease with be enough to prevent good electrical contact. If you are installing a Perko Switch in a boat with an inboard they make one with an additional lead that if I remember correctly goes to the coil that is supposed to help prevent spiking of the electronics from the alternator when you switch batts when the motor is running.
This also makes batery 2 usable for starting the motor if it is not discharged and 1 is. The best place is near the engine compartment and current battery. It will give you more amper hours. Turn your Perko battery switch over and locate the three ports on th A common mistake in home wiring is to use undersized electrical boxes. This is confusing as my Perko has both positive and negative hookups for both batteries. What I would do is: Leave the switch in position 1 unless my starting battery is getting weak or the engine is hard to start and the starting battery is marginal. In position 1 you are putting the load from the extra stuff on the starting battery.
It prevents battery overuse by allowing you to switch between batteries instead of using both at the same time. Most of the time you do not run batteries below 50%, so you would realistically be replenishing 100 Amps. Therefore, many boats, especially house boats, in place at all times and they have a switch that runs between them. Q4: and on the same 2 lug I connect a lead to the stereo batteries 2 6 volts in-series? Marine Battery Switch Product Reviews If your boat does not have a switch in place, but you feel that you are running too many gadgets on your single battery or consistently find yourself replacing batteries that no longer stay charged; it may be time to have a switch put into place. From the common positive connection on the battery switch runs 4 positive cable runs.