Tris Cocks Posted September 3, 2010 Share Posted September 3, 2010 I need a new battery for winching as i have killed the old one, Originally i purchased two starting batteries, (100Ah and about 950CCA i think) Is it best to get a deep cycle battery or another starting battery to use winching? Quote Link to comment Share on other sites More sharing options...
LandyManLuke Posted September 3, 2010 Share Posted September 3, 2010 Deep cycle batteries aren't actually suited to winching, despite what everyone thinks. You're better with a battery that can source large amounts of current quickly, like a starting battery. X-eng do Numax batteries which have a really nice high CCA rating. Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted September 3, 2010 Share Posted September 3, 2010 Not sure X-Eng can deliver them anymore, last I heard was their courier was refusing to deliver any more.... Try them first, if not then try http://www.tayna.co.uk/ for the exact same battery. Quote Link to comment Share on other sites More sharing options...
gaz489 Posted September 3, 2010 Share Posted September 3, 2010 try derek at lrs offroad he does numax batteries and cheapest price i can find Quote Link to comment Share on other sites More sharing options...
Tris Cocks Posted September 3, 2010 Author Share Posted September 3, 2010 Looks like i might be ordering a couple of batteries from Tayna - £64.95 Inc VAT which is more that £20 cheaper than LRS Offroad for the Numax 1000A 85Ah battery Tayna Battery Next question is what is the best way to charge both of them? Parallel them together? or go the split charge route? Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted September 3, 2010 Share Posted September 3, 2010 Split charge, for a no hassle solution go to X-Eng Tanya were very quick delivering my battery (exactly what you have linked to). Quote Link to comment Share on other sites More sharing options...
Tris Cocks Posted September 3, 2010 Author Share Posted September 3, 2010 I used to have an X-Eng split charge relay linking the two batteries but i think the coil gave up and it wouldnt conduct between the two batteries. I have thought about going for another one but to me it seems an expensive way of linking both batteries together as effectively once the ignition live is powered the battery is two that have been paralleled to make one - or have i got the wrong end of the stick? Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted September 3, 2010 Share Posted September 3, 2010 Wrong end of the stick, it only joins the two when the alternator is charging (when the light on the dash goes out). This allows you to flatten the aux battery but still be able to start the car, or flatten the starter battery and then jump start by flicking a switch Quote Link to comment Share on other sites More sharing options...
Tris Cocks Posted September 3, 2010 Author Share Posted September 3, 2010 My thought would be that 99% of the time the engine would be running while im winching as i normally try to get the wheels turning while winching. This would mean that both batterys would be drained at the same time, if i then stall after a long hard winch i would be possibly that i wouldnt have enough juice in either battery to start the truck. Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted September 3, 2010 Share Posted September 3, 2010 That is a possibility, that's why I have an auto Also why some comp trucks have 3 batteries, 2 of which are just for the winch. Quote Link to comment Share on other sites More sharing options...
4X4byV8 Posted September 5, 2010 Share Posted September 5, 2010 could always use more than 1 alternator. theres a bit of messing around getting it mounted but its a much better long term way of keeping systems seperate but still reliable. depends if you use the winch enough to justify having a second full time alternator Quote Link to comment Share on other sites More sharing options...
Tris Cocks Posted September 9, 2010 Author Share Posted September 9, 2010 Ive ordered two of these batteries this morning so they should arrive soon with any luck, will let let you know how they work once they have been tested. Quote Link to comment Share on other sites More sharing options...
LandyManLuke Posted September 9, 2010 Share Posted September 9, 2010 Split charge systems are as important when the engine is off, as when it's on. Two batteries left in parallel, if not completely identical, will charge and discharge each other, with almost a see-saw characteristic. The effect may be negligible, or it may well have a damaging effect on both batteries over time. A split charge relay protects against this. Quote Link to comment Share on other sites More sharing options...
JST Posted September 10, 2010 Share Posted September 10, 2010 i run two the same in parallel and have done for 5yrs now, seem to work for me. Quote Link to comment Share on other sites More sharing options...
Tris Cocks Posted September 10, 2010 Author Share Posted September 10, 2010 Ive ordered two of the same for the discharge reason above, hopefully there wont be any discaharge between the two, if needs be i can always put an isolation switch between the two batteries if there is a problem with discgarge between the two, Quote Link to comment Share on other sites More sharing options...
MrHT Posted September 12, 2010 Share Posted September 12, 2010 i run a pair in paralell with no issues. trucks been that way for 3 years. batterys bought at the same time and always been together Quote Link to comment Share on other sites More sharing options...
zardos Posted September 14, 2010 Share Posted September 14, 2010 Split charge systems are as important when the engine is off, as when it's on. Two batteries left in parallel, if not completely identical, will charge and discharge each other, with almost a see-saw characteristic. The effect may be negligible, or it may well have a damaging effect on both batteries over time. A split charge relay protects against this. I have three batteries in parallel without a problem, but that might be because they spend a lot of the time on an intelligent charger. Quote Link to comment Share on other sites More sharing options...
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