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| Author: | shep [ Mon Jan 11, 2010 10:23 pm ] |
| Post subject: | who knows about deepcycle batterys |
i have 2 of these battery's and want to run a motor that will use a maximum of 55amps but will mostly be using around 25 to 40 amps. if one battery can handle a load of 37.5 amps can 2 wired together cope with 55amps? should i just cough up the $600 for a pair of marine battery's that will only have half the capacity? 
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| Author: | Ben_Sierra [ Mon Jan 11, 2010 10:25 pm ] |
| Post subject: | Re: who knows about deepcycle batterys |
If you parallel two identical voltage batteries, you can add the currents that they an supply to get a total current rating for the setup. |
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| Author: | Ben_Sierra [ Mon Jan 11, 2010 10:27 pm ] |
| Post subject: | Re: who knows about deepcycle batterys |
That sticker appears to be talking about charging currents though? |
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| Author: | Damo [ Mon Jan 11, 2010 10:29 pm ] |
| Post subject: | Re: who knows about deepcycle batterys |
shep wrote: i have 2 of these battery's and want to run a motor that will use a maximum of
55amps but will mostly be using around 25 to 40 amps. if one battery can handle a load of 37.5 amps can 2 wired together cope with 55amps? should i just cough up the $600 for a pair of marine battery's that will only have half the capacity? Is this for an electric outboard? If you got 'em already just run 'em 
150AH is pretty damn big! 
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| Author: | shep [ Mon Jan 11, 2010 10:35 pm ] |
| Post subject: | Re: who knows about deepcycle batterys |
yep they are for my bow mount O/B damo. i stumbled across 6 of them 
but did my back in lifting two of the heavy bastards 
Ben_Sierra i have a 30 amp charger so every thing should be allright
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| Author: | Damo [ Mon Jan 11, 2010 10:40 pm ] |
| Post subject: | Re: who knows about deepcycle batterys |
shep wrote: yep they are for my bow mount O/B damo. i stumbled across 6 of them
but did my back in lifting two of the heavy bastards Ben_Sierra i have a 30 amp charger so every thing should be allright Haha I bet you pinched them from the god-botherer's wind farm
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| Author: | shep [ Mon Jan 11, 2010 10:43 pm ] |
| Post subject: | Re: who knows about deepcycle batterys |
Damo wrote: shep wrote: yep they are for my bow mount O/B damo. i stumbled across 6 of them but did my back in lifting two of the heavy bastards Ben_Sierra i have a 30 amp charger so every thing should be allright Haha I bet you pinched them from the god-botherer's wind farm ssshhhh haha nah they use massive 2v jobbies. the ones i scored are from big UPS things |
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| Author: | eldo [ Tue Jan 12, 2010 12:37 am ] |
| Post subject: | Re: who knows about deepcycle batterys |
i got almost the same battery here shep, yep bloody heavy too! mines from the UPS at BHP, if your not shoppin at the steel works, your'e payin too much!! |
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| Author: | shep [ Tue Jan 12, 2010 12:41 am ] |
| Post subject: | Re: who knows about deepcycle batterys |
i am gunna stick them up the front of me boat to balance out the big motor i have put on the back
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| Author: | rob_macca67 [ Tue Jan 12, 2010 12:51 am ] |
| Post subject: | Re: who knows about deepcycle batterys |
shep wrote: i have 2 of these battery's and want to run a motor that will use a maximum of
55amps but will mostly be using around 25 to 40 amps. if one battery can handle a load of 37.5 amps can 2 wired together cope with 55amps? should i just cough up the $600 for a pair of marine battery's that will only have half the capacity? I would be looking a AGM Battery as it will recharge a lot quicker from the Car than the Deep Cycle Batteries. These batteries can handle more abuse as well. 100Amp capacity would do JMO though.... rob |
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| Author: | 89_tintop [ Tue Jan 12, 2010 1:33 am ] |
| Post subject: | Re: who knows about deepcycle batterys |
from my understanding of batteries.. this is what i think will happen.. with that amount of current being used you should get around 3 hours of use from 1 battery (that is constant use) so double that for 2. the 37.5a is talking about how much current the battery will take when recharging. so if you were pumping the full 37.5 into the batteries it would take 4 hours to recharge one. 10a an hour would take 15 hours. i would use them as the specs look to be good. just got one for my dad to suit his fridge in the car. we went with one that wasnt as powerful (AH) but would take unlimited amps on recharge. it takes around an hour to fully recharge the battery when driving the car. so when out driving when we are away camping the 30 minute drive tops it up. we have gone a whole week with no dramas. it lasts for about 3 days before the voltage cut out on the fridge turns it off (thats with no recharging) its been a while since i had alot to do with batteries but that is what i can kind of remember. |
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| Author: | shep [ Tue Jan 12, 2010 2:28 am ] |
| Post subject: | Re: who knows about deepcycle batterys |
i probably didn't provide enough info. the battery's will be used only for a 55lb bowmount trolling motor in my boat they will be kept separate to the 2 battery's that power the navigation stuff and the man sized outboard. apparently the electric magic bits in the
bowmount can upset the navigation stuff if given the chance. i thought that the 37.5 max amps thing was referring to the current that the battery could handle being used from it. 
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| Author: | Damo [ Tue Jan 12, 2010 2:30 am ] |
| Post subject: | Re: who knows about deepcycle batterys |
rob_macca67 wrote: shep wrote: i have 2 of these battery's and want to run a motor that will use a maximum of 55amps but will mostly be using around 25 to 40 amps. if one battery can handle a load of 37.5 amps can 2 wired together cope with 55amps? should i just cough up the $600 for a pair of marine battery's that will only have half the capacity? I would be looking a AGM Battery as it will recharge a lot quicker from the Car than the Deep Cycle Batteries. These batteries can handle more abuse as well. 100Amp capacity would do JMO though.... rob Agred on the AGM thing, though I think you will find that being from a UPS these will be AGM batteries. |
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| Author: | shep [ Tue Jan 12, 2010 2:31 am ] |
| Post subject: | Re: who knows about deepcycle batterys |
whats AGM ? |
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| Author: | want33s [ Tue Jan 12, 2010 2:34 am ] |
| Post subject: | Re: who knows about deepcycle batterys |
AGM= Absorbed Glass Matting. Have a read through here... http://www.fridge-and-solar.net/agm.htm |
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| Author: | Damo [ Tue Jan 12, 2010 2:34 am ] |
| Post subject: | Re: who knows about deepcycle batterys |
shep wrote: whats AGM ?
Absorbed glass matt. It refers to how they are constructed. |
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