Deep cycle battery $30 lower than last year.
- 12V
- 100AH
- 28.6 kg
Roman 100AH Deep Cycle Battery (AGM) $199, Uniden Igo 345 Dual Dashcam $79.99 @ ALDI
140
RSmith on 02/02/2021 - 15:34 aldi.com.au (3348 clicks)
Last edited 03/02/2021 - 08:07 by 1 other user
Last edited 03/02/2021 - 08:07 by 1 other user
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I suppose you would want the correct CCA since the auxiliary battery is still used for cranking (in parallel)?
Sorry no this would be just for running a fridge and lights etc.
Not used for cranking if you set it up right. Plenty of kits available.
Curious myself. My understanding is that generally, AGMs don't cope well under bonnets and you should either opt for a SLA or Lithium battery, unless the AGM has specifically been called out as an under bonnet application. AGM generally don't like heat or vibrations and that will shorten their life.
plenty of stop start vehicle has been using agm for a while.
You should check the specs for reference to under bonnet use. Heat can screw some AGM's and is not covered under warranty. Also weight can be an issue depending on where you mount it. Anything over 25kg has been known to crack siding etc and mounts under bonnet in 150's.
100k car and a $200 battery?
I've got a $3k car. Would i be spending too much if I bought LADDAs?
I wonder how they compare with your standard eBay cheapies.
Weight is some indication of quality. Rare to find any of those cheapies with decent warranty.
Ebay one looks the same with a 1 year warranty
Couple I've looked at suggest otherwise. A 100AH AGM should weigh ~28+kg. There's a reason why cheap ebay/Chinese AGMs don't. Same reason they don't provide detailed specs and only offer 1 yr warranty. Caveat emptor.
It makes little sense to buy a cheap AGM battery with virtually no warranty, esp when there are offerings for not a lot more.
If you don't live near Peakhurst NSW 2210….very high postage
its not the same as a AGM
If i step down the voltage to 5v and ran a 1.5a 5v security camera off it how can i work out how long it would run for before i need to recharge it
If my maths are right:
12v 100ah = 1200 Wh
1200Wh / 5v = 240ah
240ah / 1.5a = 160.
160 hours but you have to take into account efficiency losses and the fact you won't want to run a lead acid battery to flat, ~90ish hours.
Small problem. You only get 50% capacity draw down from a deep cycle otherwise you seriously shorten its life.
So you're down to 50AH at the start of this calc thus half the 160 to approx 80h would be a safe bet
AFAIK deep cycle batteries are designed to go a bit lower than 50% of capacity, but ~90 hours wasn't that far off even when I accounted for it.
You can only draw down to 50% of its capacity. So you can draw down 50 amp hours at your approx 12v. (though if its AGM it'll be at 13.8v
So reduce that to 6v approx (assuming transformer loss) you're looking at 100 ah at 6v usable. if you're burning 1.5A per hour you'll hit around 66hrs out of it Ball park. (100AH / 1.5A per hour) .
Realistically you'll get quite a few more hours than 66 hrs.
Thanks. Hmm thats only about 3 days before it needs to be taken out and recharged… not very long. Was thinking of putting it in the shed in leiu of proper ppwer but it still sounds pretty inconvenient.
Stick a little solar controller and panel on the shed. That's what I do to keep the battery topped up and power the radio, fridge, lights, chargers, etc.
A relatively small 12v Solar panel will keep it topped up. Calculate your daily usage, multiply it by about 3 to allow for a few rainy days, then calculate what the power you'll need over about 6 hours (usable sun in a day) to fully charge. Even if you're a bit on the low side, it'll greatly reduce your recharging requirements.
The Romans had batteries??
What next, the Egyptians had helicopters?No, they had pyramids, powered by the Roman's batteries: https://myvegas.tips/luxor-rewards-myvegas/
Hmmmm, think you’re off my a couple of thousand years 🤔
No, but what IS fascinating, and also a mystery, is that the Egyptians might have had lightbulbs
Question is how they powered them.And not just the famous "dendra" bulb "fringe theory" or whatever it is; there's been hints on knowledge of electro-luminescent algae too; once again though, electricity where?
Normally I'd throw these sorts of "myths" to the side, but the reason I always enjoy research on this (unlikely, but not impossible) possibility, is because it's the ONLY explanation (so far) that answers why/how some heavily used deep structures have absolutely NO torch/lamp residue.
Fun stuff to think about sometimes :)
What did you expect them to use for power? Mr. Fusion?
Actually you are better off at buying a lithium battery if you are looking at better value for money if you can afford the steep buy in price.
Yes of cause, but $800-$1000 for a battery is a steep price…
damn, stick that under the hood and u dont have to worry about ur car battery going flat for a good couple of months or more(from not driving coz of the lockdown and all) and still be able to crank the engine without needing a single recharge!
@Zachary: There are specialist cranking and designed-for-under-bonnet-use 12V LiFEPO4s available but the battery I linked - and most other 12V LiFePO4's - are NOT cranking batteries. General use 12V lithiums also last longer when not subjected to high temps.
@[Deactivated]: Oh… What are these specialist cranking and designed-for-under-bonnet-use 12V LiFEPO4s then and are they obtainable locally?
But you need two 100amp hour battery's to make 100amp hours as they only produce 50% of there output so this is $400 worth of battery's to get the same as a single lithium.
Ozbargainers you will have to bring another ozbargainer with you to pick it up.
It says in the small print you need to bring friend to help carry it. The friends that ozbargainers have are only other ozbargainers…..This from Giant for $289 is a much better buy IF you need an AGM . 5 year warranty over ALDI's 1 year. There are better AGMs like $$FullRiver, $$REMCO - people regularly get 8+ years out of them.
if you can find stock and don't need to much, Kmart selling the 80ah for $50 less
plus 1 to ALDI AGM batteries.
4 years ago I grabbed a stinking hot bargain at Nowra ALDI, the 38AH battery reduced from $99 to $34.
I wired 4 of them together and they have served me incredibly well as a camping battery.I got one there as well. Is aldi Nowra still doing good mark downs ?
Not sure about that, I haven't been through there in a while. I think the days of -75% mark downs in the special buys aisle are behind us though. With all of the COVID related supply constraints, the best deals I see these days are 25% off.
now that's what i need for my ups :)
Anyone know if this dash cam is any good?
Anyone know if this could be an auxiliary battery under the bonnet of a Landcruiser 200?