2S 7.4V 400mAh 20C Li-po battery JST plug/USB for R/C drone R/C quadcopter R/C Air palne R/C helicopters R/C toys cars trucks

2S 7.4V 400mAh 20C Li-po battery JST plug/USB for R/C drone R/C quadcopter R/C Air palne R/C helicopters R/C toys cars trucks

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