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Old 01-11-2012, 03:32 PM
Deltaxstar Deltaxstar is offline
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Battery charging

I have four battery's and I'm buying a four bank charger question is can I leave the battery's all hooked up while I charge all four or do I need to disconnect them?
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Old 01-11-2012, 04:59 PM
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airdrew99 airdrew99 is offline
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I definitely recommend disconnecting the batteries from the boat (or whatever they are in).
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Old 01-11-2012, 05:13 PM
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How are the batteries wired? Single bank of 4, 2 banks of 2, single and a bank of 3?
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Old 01-11-2012, 06:03 PM
Cloaked Cloaked is offline
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Quote:
Originally Posted by Deltaxstar View Post
I have four battery's and I'm buying a four bank charger question is can I leave the battery's all hooked up while I charge all four or do I need to disconnect them?
Invest in a Battery Tender with a microchip processor to monitor and regulate the battery(ies). I leave my batteries hooked up all the time. Wired in parallel and hook every one up to the Battery Tender. A charger / trickle without a way to monitor the battery will ruin a battery sooner than later. I plug mine in year-round on the truck (2 batteries), boat, and tractors.

You can indeed leave your batteries "hooked up" while charging. Did I mention a Battery Tender?

$0.02

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Last edited by Cloaked; 01-11-2012 at 06:06 PM.
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Old 01-12-2012, 08:40 AM
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oldairboater oldairboater is offline
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I am not a fan of battery tenders. I am a fan of disconnects and trickle charging for short periods before use. I always trickle charge anything I haven't used in awhile 24 hours before expected use if I can. I get long life out of my batteries on all my boats, motorcycles, and vehicles at home. Even those that are used every few weeks instead of daily. We have tried all kinds of trickle chargers on our equipment at work. I see shortened battery life on expensive batteries at work but other factors could be in play.
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Old 01-12-2012, 09:00 AM
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lanep82 lanep82 is offline
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I have 3 batteries all hooked up.

I leave them all on one 'trickle charger'. Sends a small amount of juice to the batteries to keep them charged. Once they are charged, it turns itself off. Works great. Been using it for years!

http://www.amazon.com/Battery-Tender...6376802&sr=8-1

Battery Tender is the correct term, I believe.
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Old 01-12-2012, 09:13 AM
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BrooksfamX2 BrooksfamX2 is offline
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Battery tender or trickle charger for battery maintenace. I leave my 2 batteries hooked up together. Connect charger on one and, switch set to "all" and both will charge. Thats how both charge while engine is running.......
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Old 01-12-2012, 09:17 AM
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lanep82 lanep82 is offline
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Quote:
Originally Posted by Brooksfam-X2 View Post
Battery tender or trickle charger for battery maintenace. I leave my 2 batteries hooked up together. Connect charger on one and, switch set to "all" and both will charge. Thats how both charge while engine is running.......
That is exactly what I do............family's been doing it for years and have had zero battery problems.
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Old 01-12-2012, 09:19 AM
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Battery Tender, all my toys have em and they are used while they sleep so when its time to get up I just turn the key. In spring if the jetski is slow to get things moving that is what the portable jump box is for. When in the garage I just set it and forget it, spark proof, water proof can beat it really and the quick connectors are great for tight battery locations so you arent fumbling around for little blocks and screws in the dark.

I love em!

JTR
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Old 01-12-2012, 12:43 PM
emnesto emnesto is offline
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I picked up the NOCO GEN2 NOCO Genius Black 12-24V 2-Bank 20A On-Board Battery Charger from Amazon for $113 Free Ship. Connected both batteries. Used it since August, no problems. It's plugged in full time this winter. There's a 4 bank version for about $175. Once connected to the batteries, leave it in the boat and plug into 110v in garage or at dock.
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