It's been almost 5 years now I went BPRC. Today, I'm working on the last of 19 steamers and diesels getting the BPRC treatment, no DCS/TMCC engines exist on my layout as of now.
I was running an engine the other day and it stopped dead on the tracks. By now I realize it's the battery needing to be recharged so I took it to the bench. I have kept a log of when I recharge batteries and this one was last charge almost 1 year ago!!! It ran for an hour before it died.
I'm trying to determine if I can design a buzzer of some kind that would sound when the battery drops to a certain level, or better yet time it's been used. I need something to tell me when the 2:15 mark has been reached, because my earlier tests show that 2-1/2 hours is normal for any of these batteries.
I could record operating session times but that sounds like too much paperwork. A timer that would shut off when I turn off power, and sound when the 2:15 time is reached would do the trick, just now thought of that!!!
That would enable me to bring the engine into the service facility for a recharge, instead of having to pick it up from the layout (hate that) and carry it to the bench.
So, almost 5 years and the only problem I've had is one of the MTH wiring harnesses I used (which was a used one) went bad and I had to replace it. The Rx65b receivers, the 3 different transmitters from RCS Australia, and the (14) 9.6 NiMh, (3) 11.1 LiPo, and (2) 12.0 NiMh volt batteries are all working fine. The only sound I have is that of the engines/trains going down the track, and my ears ringing (tinnitus) 
I still have 3 Bluerail Bluehorse receivers installed (Williams E7, Weaver SR3, Bachmann G scale 4-6-0) and they are still working as well.
I would like to go back and dress my wiring harnesses a bit better, but as long as they're working I don't see the need.
I still want to develop a charging station that looks like a water/fuel column, where the charging cable can be pulled and retracted from the spout. More projects!!!
