Estes Lipo 1S 3.7V 100mah Proto X/SyncroEstes 1S 3.7V 100mAh LiPo Batteryfor Proto X & Syncro Quad CoptersThis is a replacement Estes 1S 3.7V 100mAh LiPo Battery for the Estes Proto X and Syncro quad copters.
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