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  1. J

    DC/DC RV charging system

    Hello all, I have a PV panel I wanted to use on my camper to charge my Redodo 12v 100 AH battery, I bought a DC/DC charger that would allow me to also use the car alternator, the problem is my panel has an open circuit voltage of 36V and the charger has a max PV input of 26V, I can't seem to...
  2. J

    Dengfu E05 and E06

    Anyone have any experience with either one of these frames?
  3. J

    Rebuilding a Frog style Battery

    My battery (48V 9AH) started to fail a few months ago it runs for twenty minutes or so and stops, no lights on the indicator. After charging just a few minutes it showed a full charge. I posted a message and the general consensus is the battery most likely has a bad cell or two and is telling...
  4. J

    Battery quits after 10-20% discharge

    I have a frog style 48 volt 9 AH battery that has been awesome until a couple of months ago it quit after 10 minuets on full charge, the indicator would not light at all, I've never seen this, after just 1 minute on the charger and it shows full charge. it keeps doing this at unpredictable...
  5. J

    LED head lights

    I need a LED head light for my 48volt ebike, plenty to choose from on eBay but most have an operating voltage between 4 and 8 so they need a battery pack or a DC DC step down. but I can't seem to find a small one with a input V that high. what to do??? any ideas?
  6. J

    Big Arc

    Went riding with a friend that has a new GNG kit half way through the ride he has no power, battery indicator shows dead five minutes earlier it was at full charge when disconnected battery shows 3/4, re connect and BIG ARC 40 amp fuse is ok and battery shows dead. seems the controller is...
  7. J

    adding a key switch to a KT48WSRL

    what wires can I use for a key switch on a KT48zwsrl
  8. J

    GNG kit advice

    I'm looking to buy a GNG kit. It looks like they have addressed some of the issues that lightning rod has, and for the money looks pretty good? is the standard controller OK? or should I plan on an upgrade from the beginning? there is no readout so I don't know how I will be able to monitor...
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