Reply to "Older New-In-The-Box MTH Proto-2 Engines"

Barry BroskowitzOGR Forum Member MEMORIALIZED MEMBER

Melgar,

it is essential to have a charged battery or a BCR in an MTH PS-1 or PS-2 engine.

That's not completely accurate. The answer is more complex than that:

PS1 engines absolutely need a charged battery or they won't get out of neutral.
Although it's not recommended to do so, PS2 engines can run without any battery at all in DCS mode. However, they need a charged battery when running conventionally or they won't get out of neutral.
Some 5 volt PS2 engines can actually be damaged if they are run, either under DCS or conventionally, with a weak or very old battery.

Regardless, it's always smart to replace any MTH white, 8.4 volt battery before ever starting up any PS1 or 5 volt PS2 engine.

9/24/1811:19 PM

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