Got my AMT12-2 and ABB 007 bluetooth unit back from Ablemail. I was struggling to to link the ABB to the AMT, so after discussions with Jonathan Eagle, I sent the units back for investigation. They determined that my AMT unit was of the older generation and not compatable with the ABB. AMT...
Not all DC-DC chargers trickle charge the starter - I believe the CTEK250s do - what type do you have?
If it doesn't then the AMT-12 is a popular solution as it will trickle charge from LB to Starter regardless of what's charging the LB.
It's unlikely your starter will charge off the EHU...
Just bagged myself a Fogstar Drift Pro 105ah with £50 off in the BF sale. Not sure how long the sale is on, so take a look if you’re after a bargain. Thanks to @ginkster for the heads up about this a few weeks back.
Ablemail AMT-12 purchased last week too.
If you have a DC-DC charger already then very often you can fit the AMT-12 there as you have all the terminals you need (battery positive from both and a ground) - care just needs to be taken that you don't compromise the high current connections in the terminals by trying to wedge in the...
Should you decide to go for a lithium LB in the future, the IP 22 can't charge different profiles from each output. I'd be tempted to fit either 2 separate chargers, one for the LB & one for the starter, or simply fit a maintainer like an AMT-12.
Fitted a new seal to the driver's side as the old one was rusting through and also fitted my new Ablemail amt12-2. Took me a while to understand how to programme it but got there eventually, not 100% it is working correctly though. My leisure battery is sat full at 13.8v but my starter is now...
Which is why you need a “wild camping” setup. Plenty of solar/lithium/AMT-12. Problem solved. Don’t forget that these are commercial vehicles & were never designed to be campers. If we want them to serve a purpose for which they weren’t designed for, we need to make allowances & adapt them.
There’s a very valid point, I am already considering changing to lithium at the same time as doing the mains as my current LB is about 7/8 years old so can’t have much life left in it.
I know I’ll need to change my DC-to-DC as the D250SA doesn’t support lithium. Probably go with a victron one...
2nd recommendation for the Ablemail AMT12-2 here, if you've got a big LiFePO4 battery and/or solar, it's a literal fit and forget option.
My SB never goes below 12.3v now.
Get yourself an Ablemail AMT12-2 to top up the starter battery gently from the Leisure battery. Easy to fit, £60 odd quid, end of starter battery anxiety!
Shopping list looks good. You don’t need switches but can be useful for managing the system and/or for maintenance. One in the cable between the Orion Pos Out and AMT Leisure Pos allows you to turn the AMT on/off - needs to be >3A capable.
You can also put one in the green plug of the Orion to...
Was that a pre-made kit for something? The thin cables will be ok for the AMT once you have crimped the spade connectors that come with the AMT.
The 2 black cables will be ok for the Orion negatives but likely too long and much heavier duty than needed for a short run with an 18A charger...
Something like this in red and black for the ATM to DC-DC:
3mm2 PVC Cable
And 2 of these at an appropriate length for the Orion neg to chassis (you’ll cut one end off to go in the Orion):
10mm2 battery leads
Keep the AMT close to the Orion to minimise cable length. If you want to have the...
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