Product Features
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High-voltage (direct 2S Li-Po/Li-Fe battery) compatible
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Lower price point, but higher performance value
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Longer-lasting plastic composite gear material
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Ball bearing-supported output shaft
Overview
The JR® 821HV servo is one of the latest updates for the JR brand. Based on the original and successful DS821 servo, it has the new high-voltage motor allowing it to be used unregulated when using 2-cell Li-Po power sources. The DS821HV servo is a powerful, accurate sport digital servo recommended for RC airplane applications up to 1.20-size. For helicopters, the DS821HV servo operates best with 30-size glow models and up to 500-size electric.