Advice seeked to find a LiPo cell with short length (< 7 cm)

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hello,

i using 3 aa 2000 mah nimh batteries feed 3 power leds. want have higher voltage feed arduino pro mini plan replace aa cells 7.4 lipo battery pack.

however lipo middle high capacities quite extended. of them longer 10cm long put on of hand.

anyone knows shorter 7.4v (dual-cell) lipo pack, biggest dimension being below 7 cm ?

also, there recommended brands or brands avoid ?

what plug (and charger) choose ?

thank in advance.

i have never used 2s (2 cell) lipo batteries, can't advise there.  know you're not supposed make own packs out of individual cells, since lipos need "balancing" keep them happy.

i wanted point out use single lipo cell power 3.3v pro mini, instead of 5v pro mini https://www.sparkfun.com/products/11114.  runs @ 8mhz (instead of 16), can't whether or not it'll work project, it's option.  also use exact same setup have, 3.3v pro mini (which accepts 3.3-12v).


Arduino Forum > Using Arduino > Motors, Mechanics, and Power (Moderator: fabioc84) > Advice seeked to find a LiPo cell with short length (< 7 cm)


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