= Model (size) : PL 602540(we composite 2pcs 3.7v 500mah 602540 to 1pcs 7.4v 500mah 602540. the fact thick 12mm). =Fit forall kinds of helicopter models F182 F183 JJRC H8D H8C RC Quadcoper. = Capacity : DC7.4v 500mAh 3.7Wh.
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