other than size, what’s the difference between these.
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Steve, the blue one is a Nicad, can’t see what the other is, but it may be a NiMh? I don’t think they’re putting LiPos in trains from the factory but I could be wrong.
They are electrically equivalent.
The green AAA batteries were used in some early PS-2 units and have the same ratings as the the blue ones. They contain 2 1.5 volt rechargeable batteries.
Thanks guys. The green one is dead, but wanted to make sure they were compatible before using the larger blue one.
Steve
The HFR batteries are most likely a better performing battery. It would be my guess that they are NiMh.
I found a Tenergy battery co. document on the HFR type of battery. (attached)
Different disposal issues and definitely do not toss them into a fire.
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MTH uses the smaller one in engines that the larger blue may not fit. I have found the smaller AAA do not have the same life length as the AA. Make sense since there is less chemical energy available. G
It was a tight fit, but the larger battery fit under the boiler of the 392.
Steve
