AMPTECH AGM Batteries
Submitted: Sunday, Apr 15, 2007 at 00:02
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richor
Super Charge make their own AGM Batteries under the AMPTECH label. The AT121000d - 100Ah, and the AT121200d - 120Ah. Does anyone have any experience with these batteries?
Reply By: D-Jack - Sunday, Apr 15, 2007 at 11:05
Sunday, Apr 15, 2007 at 11:05
I have 2, a 120 a/hr which I just charge and carry around in the back for when we need an extra day or two's power, and a 70a/hr under the bonnet as an aux. I presume if the ones you are talking about are measured in a/hr then they are deep cycle types. Had no problems with
mine in 6 months, but that's not all that long. They are typical AGMs in that they recharge very quickly, even from car alternator. This info probably doesn't help but I said it anyway!
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Reply By: richor - Sunday, Apr 15, 2007 at 13:24
Sunday, Apr 15, 2007 at 13:24
Thanks for your replies. I have had a love hate relationship with batteries over the last few years. I first installed a Redarc solenoid with an auxillary battery and that worked very
well when I was on a driving holiday, but was a dismal failure when I wanted to
camp for a couple of weeks.
I then installed two 80w solar panels on the top of my '86 Hilux with a Plasmatronics PL20 and a 200A shunt. I was still using the one battery, a Century 75Ah deep cycle. This was great until I struck three days of overcast skies on my way to
Hungerford which meant that the fridge ran all day and night and the battery was getting very flat. (98 amps in and 134 amps out) I had to hook up the redarc again until the weather improved.
I want to increase my battery
reserves so I can ride out a few days of bad weather. The recommendation from Collyn Rivers is 185 - 225 Ah for two 80 watt panels. Two 100Ah will be ideal but I need to install them in a less ventilated part of the Hilux than the existing battery so AGM's seem to be the way to go. Our local battery bloke sells Amptech and the All-Rounders but didn't know anything about the AGM's so I wanted to make sure they were reliable. They are expensive and I don't want to be replacing them too soon.
Thanks again for all your replies.
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Follow Up By: Mainey (WA) - Sunday, Apr 15, 2007 at 20:43
Sunday, Apr 15, 2007 at 20:43
buy a 'quality' AGM and you will never look back, they recharge faster with smaller battery chargers and recharge fully with smaller solar panels...
their only drawback is they cost a few $$$ more than the inefficient batteries available.
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