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F3A 4500 5S
$85.98The new batteries are designed for Aircraft FAI F3A type use where high energy density is needed. The packs weigh in at 1100 grams for a 10S pack. The battery measures 5/1.25/1.6 inches. The battery balance connector is the XH type. The best now costs less! Note that two batteries are needed for 10S.
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F3A 5000 5S
$85.95The new batteries are designed for Aircraft FAI F3A type use where high energy density is needed. The packs weigh in at under 1200 grams for a 10S pack. The battery measures 5/1.25/1.6 inches. The battery balance connector is the XH type. The best now costs less! Note that two batteries are needed for 10S.
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2000 10S F5B
$105.00We had our battery supplier make a special size cell for our new F5B 10S battery. This battery 40x45x155mm and weighs in at 585 grams. It is the same size as the old 4000 5S packs. Fits easily in the Avionik and Surprise F5B models. Move up to 10S without the hassle of odd shaped packs that don't fit easily! Get higher system efficiency at lower over all current. We suggest the Castle 160Hv lite controller for 10S applications. User has to connect 2 jumpers together to make the pack active.
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F5B 2500 4S
$49.952500 4S packs are intended for high rate discharge applications. Perfect for use in F5D and F5B type planes. They weigh in at 262 grams and measure 22x42x136mm.
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NEU SP2 5000 3S1P
$79.95NEU SP2 5000 3S2P 11.1 volts
Charge at 5C
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46/92C Discharge! For F5B 3S systems -
NEU SP2 3700 5S1P
$89.95NEU SP2 3700 5S1P 18.5 volts
Charge at 5C
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46/92C Discharge! For F5B 5 cell systems.












