View single post by davecttr
 Posted: Sat Dec 22nd, 2018 02:21 pm
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Joined: Sat Nov 9th, 2013
Location: United Kingdom
Posts: 527
Tom, Check out the graph on the Pololu page.

You can see using a 1S battery with a 250mA loco should give 80% efficiency even when the battery is nearly depleted.

Contrast this with a 2S battery and you get over 90% efficiency with a 600mA loco!

I usually install 2 batteries in locos needing more than 250mA.

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