View Full Version : alternator overload?
96terrano
26-08-2013, 19:55
just been informed be the dad that if i ran a aux battery and a 12n system on my hyundai i'll fry the alternator.
is this true or the usual rubbish he tells me to stop me modding my vehicles?:doh
will i need to fit a aux alternator to it?
edgerton19
26-08-2013, 20:49
Alternator will be fine they will only supply the rated current and no more, if you try and draw to much current the output voltage of the alternator will fall untill it can support the available current.
solarman216
26-08-2013, 20:54
just been informed be the dad that if i ran a aux battery and a 12n system on my hyundai i'll fry the alternator.
is this true or the usual rubbish he tells me to stop me modding my vehicles?:doh
will i need to fit a aux alternator to it?
NO you will not damage your alternator just adding a 12n system, all you need to watch is the total load you will be adding in the form of accessories, if your alternator is rated at say 45 amps then find out find out how much your car will use at a max, that's wipers lights heater blower you name it, if that lot hits 45 amps then you will only have amps available for say your fridge if you reduce the car loading, even if you go over the top for a couple of hours it will not hurt your alternator it will still only put out 45 amps, the rest will come from your battery, Rick
96terrano
26-08-2013, 20:59
Alternator will be fine they will only supply the rated current and no more, if you try and draw to much current the output voltage of the alternator will fall untill it can support the available current.
NO you will not damage your alternator just adding a 12n system, all you need to watch is the total load you will be adding in the form of accessories, if your alternator is rated at say 45 amps then find out find out how much your car will use at a max, that's wipers lights heater blower you name it, if that lot hits 45 amps then you will only have amps available for say your fridge if you reduce the car loading, even if you go over the top for a couple of hours it will not hurt your alternator it will still only put out 45 amps, the rest will come from your battery, Rick
brilliant thanks for that:thumb2 the alternator puts out 50AMPS i beleve, but the tings i'll be running won't be high amps....highest will probably be a pure sine wave inverter, the 2nd battery will be for the camping side of things, lighting etc
solarman216
26-08-2013, 21:18
What size inverter? Rick
96terrano
26-08-2013, 23:37
What size inverter? Rick
dunno yet, atleast 240V, 300Watt
solarman216
27-08-2013, 00:27
Ah OK low power then just for charging phone, maybe drill batteries (slow charge) laptop etc, Rick
96terrano
27-08-2013, 09:46
Ah OK low power then just for charging phone, maybe drill batteries (slow charge) laptop etc, Rick
yeah, just really things you use when camping, possibly even floodlights too
solarman216
27-08-2013, 22:28
yeah, just really things you use when camping, possibly even floodlights too
If you go floodlights go led 12v soooooooooo much better, do not go running 500 w via an inverter, power hungry, Rick
96terrano
27-08-2013, 22:34
If you go floodlights go led 12v soooooooooo much better, do not go running 500 w via an inverter, power hungry, Rick
thanks aye, thinking of mounting a Florescent lamp on the inner tailgate panel so when the tailgate is open, it'll shine down, the tailgate opens quite high on the Hyundai, so you can stand underneath it fully, will have a shower attached to it when i go away camping:D, heated water-tank in the spare wheel well, so warm showers can be had, will also have a curtain that ll attach to the tailgates for privacy
one work
innovation :D
solarman216
27-08-2013, 22:58
thanks aye, thinking of mounting a Florescent lamp on the inner tailgate panel so when the tailgate is open, it'll shine down, the tailgate opens quite high on the Hyundai, so you can stand underneath it fully, will have a shower attached to it when i go away camping:D, heated water-tank in the spare wheel well, so warm showers can be had, will also have a curtain that ll attach to the tailgates for privacy
one work
innovation :D
No No No No, fluorescent is 240 volts, not for showers use 12 volt led so much better on safety and power usage with briliant light, Rick
96terrano
28-08-2013, 00:04
No No No No, fluorescent is 240 volts, not for showers use 12 volt led so much better on safety and power usage with briliant light, Rick
you can get 12V florescent, like in caravans, also 12v showers
http://www.ebay.co.uk/itm/Streetwize-12v-Portable-Professional-Shower-Pump-Camping-Pet-Car-Festival-/171096348521?pt=LH_DefaultDomain_3&hash=item27d6231769
http://www.ebay.co.uk/itm/140943867650?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649
96terrano
28-08-2013, 10:30
just go for led
yep, what i'll do is buy a florescent striplight, and get a LED replacement tube for it, so i'd get more light:thumb2
http://img.diytrade.com/cdimg/858625/7987672/0/1234670916/LED_Daylight_Tube_LED_Fluorescent_Light.jpg
solarman216
28-08-2013, 22:08
you can get 12V florescent, like in caravans, also 12v showers
http://www.ebay.co.uk/itm/Streetwize-12v-Portable-Professional-Shower-Pump-Camping-Pet-Car-Festival-/171096348521?pt=LH_DefaultDomain_3&hash=item27d6231769
http://www.ebay.co.uk/itm/140943867650?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649
12 v strip lights work with a small inverter the bulb works at high voltage, so still a no no, Rick
96terrano
28-08-2013, 22:14
12 v strip lights work with a small inverter the bulb works at high voltage, so still a no no, Rick
ohh............bollox:doh...........LED it is then......probably, i want somthing thats flat mount and will look OE fitment, nothing rubbish looking
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