Just wondering if anyone had ever used something like this for a charge controller? Obvious advantages are its cheaper and can be pulled out to be used at home. Don't know about the quality.
I'm using a CTEK MULTI US 3300 on my Tradewind. I've been very pleased and it does fine for the simple set-up I have. As far as quality, I have no issues. Porsche, Mercedes, and Harley Davidson recommend them. Got it for around $69, it's a small lightweight thing, and I can quick connect to a pigtail on the trailer battery or use the clamps for charging whatever. My model doesn't have engine start capability. It's a Swedish product and on the European brochure the XS 3600 compares to the US 3300. CTEK datasheet.pdf
I'm using a CTEK MULTI US 3300 on my Tradewind.[*snip*]
From the brochure, that 7000 model looks pretty nice. I'm adding CTEK to my list of widgets to investigate -- thanks!
dmaiden, that HF charger looks a bit high-amperage to me. I'd have to keep an eye out to avoid baking my batteries at 10A and higher, and 2A also seems high for a maintenance mode.
"Charge controller" is usually used in the context of DC to DC as in solar panel to battery. I am also confused by the "HF" designation. what does that mean?
Vector makes good battery chargers. Wal Mart sells them, too.
Your batteries can handle 20 amps of charging for every 100 amp hours of battery. For most modern Airstreams with two batteries that means you will get fastest charging with a 40 amp charger. Forget the linked ad claim of 2 hours to a full charge as that won't happen even with a properly sized battery charger.
dmaiden, that HF charger looks a bit high-amperage to me. I'd have to keep an eye out to avoid baking my batteries at 10A and higher, and 2A also seems high for a maintenance mode.
-jd.
I think these chargers operate 3-stages, similar to the Progressive Dynamics Intellipower. They have a bulk phase, absorption phase, and trickle/float phase. The difference is they have three different flows, so if you set it for 10A, it will drop to a lower flow during the absorption and trickle phase to prevent baking the batteries.
I don't think I would use one in place of a converter though.
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"Power Tender Plus WATERPROOF, Shock & Vibration Resistant, Lightweight (LESS THAN 4 POUNDS), compact charger designed for either portable operation or permanent mounting. Charges and maintains both flooded and sealed, maintenance free, AGM, lead acid batteries. Float / Maintenance function maintains batteries at proper storage voltage without the damaging effects caused by trickled chargers. The Power Tender PLUS is easy to use, it’s rugged, its compact, it's packed with power, and it’s backed by the reputation of the undisputed battery charger industry leader, DELTRAN."
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