I have a spare battery for my RR6+. Is it better to store this battery and not use it or circulate it into use with the other battery? If storing it do I store it fully charged?
Thanks
Thanks
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Show posts MenuQuote from: DickB on December 11, 2021, 04:36:49 AM
The new Rad semi-integrated battery has internal fuses that are a bit difficult but not impossible to replace.
I got a battery from a Facebook group member that refused to charge after a couple of months. She sent it to me to examine. (She got a warranty replacement from Rad.)
The new battery has an aluminum tube-like case, and is opened from the ends. To open it, you must first pry off a cover at either end of the battery to expose T10 Torx screws. Remove 4 screws at each end.
The battery is well sealed against moisture. The end caps have rubber gaskets, and all exposed connections are sealed in silicone rubber. The battery assembly itself is fastened to the case at either end with silicone rubber. This must be cut at both ends to remove the battery assembly. To remove the assembly, I pushed from the power connector end, rotating the end cap to fit through the case.
The entire assembly is sealed in shrink wrap and more silicone. The fuses are at either end. Not knowing the internal construction, I made a bit of a mess opening the shrink wrap. Now knowing where the fuses are located, small flaps could be carefully cut in the shrink wrap to expose the fuses and then reseal the shrink wrap. Another Facebook member used my information and photos to replace a charge fuse by just opening the end caps, cutting the silicone, and pushing the charge fuse end out of the case a few inches. He then cut a small flap in the shrink wrap to expose the fuse. It is not necessary to completely disassemble as I did.
The charge fuse is 10A, possibly because the new charger is higher amperage? I'm charging with my standard 2A charger to confirm the fix. The battery arrived depleted, with 1 of 10 LEDs lit. At present I have 3 LEDs lit. The battery is presenting about 46V at the power port, consistent with 3 LEDs. I cannot test it on my Rover 5, but I have no reason to believe that it will not work; in fact it was working fine, just not charging.
I'm sure many other than me question the decision to require such disassembly to replace a fuse. Including Rad. This inexpensive fuse cost them a replacement battery.