With wiring and charging lead placement .
2007-06-17 14:28:59 · 4 answers · asked by Bammer 3 in Cars & Transportation ➔ Boats & Boating
OK, I guess I need to elaborate a little more... There is a way to hook up 2 batteries on one charger.I know positive to positive and negative to negative,
I need to know where to put the charger leads on the batteries. charging leads on one battery or positive lead on battery #1 and negative lead on battery#2 ?
2007-06-17 15:00:15 · update #1
DUDE pay attention... Batteries are Direct current you must be careful because you can cause them to explode if they are overheated...
Most boats and cars etc. are 12 volts,two batteries are used to gain more amperage meaning they are wired in parallel but the voltage stays the same. Batteries wired in series (like a flashlight) gives double the voltage (two 12 v batteries wired in series makes 24 volts but your amperage stays constant.)
Ok so your boat is likey 12v. To charge both batteries at the same time you need to make sure they are wired in parallel. The two batteries should be connected to each other positive to positive and negative to negative. Then attach the charger positive to one positive on one battery and the negative to the negative of the SAME battery. use the slow trickle charge so you dont overheat. It will obviously take longer to charge two batteries than it will to charge one.
2007-06-18 05:29:19 · answer #1 · answered by Anonymous · 0⤊ 0⤋
2
2016-03-15 02:15:31 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Charging Batteries In Parallel
2016-12-11 03:54:53 · answer #3 · answered by stansel 4 · 0⤊ 0⤋
Yeah, what know it all said, but if they are set up to run as 24 volts, disconnect the jumper wire that connects the two batteries. Just disconnect everything to be safe.
Actually, you could also follow the hot wire from the boats wiring to one battery and the ground wire to the other battery and connect your leads at the same points that the boat's wires connect to the batteries.
It never hurts to do it the safe way, though.
Update:
Okay, if they are hooked up parallel, as it should be, the first battery will have the hot wire to the starter attached to the positive post, with a jumper cable going from the negative post on the first battery to the positive post on the second battery. The negative post should then have a wire that goes to ground. Hook your red cable from the charger to the positive post on the first battery. Hook the black cable to the negative post on the second battery. Nothing will have to be disconnected and it is simple. DO NOT HOOK BOTH LEADS UP TO ONE BATTERY! YOU'LL TAKE A CHANCE OF MESSING UP YOUR BATTERIES OR BLOWING THEM UP IN YOUR FACE.
If you still aren't sure, go to AutoZone. Those guys will show you anything.
2007-06-17 14:40:07 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Charging Batteries In Series
2016-10-03 07:04:40 · answer #5 · answered by Anonymous · 0⤊ 0⤋
Hi. I have a 24V inverter 3000 W 220V. I am running two deep cycle batteries in series. I have installed it in my camper. How can I charge the batteries from my vechies battery while the engin is running.
2016-07-31 21:38:36 · answer #6 · answered by Pieter 1 · 0⤊ 0⤋
One at a time.
Red = positive
Black = negative
ADDED:
Unless they're wired in parallel, then you can charge both at the same time.
2007-06-17 14:34:12 · answer #7 · answered by Mr. KnowItAll 7 · 0⤊ 1⤋
you charge deep cycles slow 5 amp trickle, one at a time.
2007-06-17 14:37:21 · answer #8 · answered by Craig W 2 · 0⤊ 0⤋
you can charge them both at the same time, providing they are hooked together already, put the black on neg on one and the pos on the other
2007-06-17 14:37:37 · answer #9 · answered by vincent c 4 · 0⤊ 0⤋