Been using these for on road touring so my experience may differ however I've found them to be a very reliable good battery with plenty of punch. Got mine from hobbypartz and were delivered in about 9 days if you want get them cheaper and can wait. There have been issues with some puffing or not balancing after being used a couple of times but for the price you can't really go wrong.
They arent brca approved but mine came with a ROAR approved sticker on them and they seem pretty popular in the states.
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