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Battery Pack For Jvc Everio Gz-mg130, Gz-mg131, Gz-mg132, Gz-mg133, Gz-mg134, Gz-mg135, Gz-mg148, Gz-mg157, Gz-mg177 Camcorder - Digital Batteries - AliExpress
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Amazon.com: Synergy Digital Camera Battery, Compatible with JVC GR-D770AC Digital Camera, (Li-ion, 7.4V, 2400mAh) Ultra High Capacity, Replacement for JVC BN-VF823 Battery : Electronics
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7.2V 4200mAh Rechargeable Li-ion Battery For JVC Camera Backup Battery BN-VF823 BN-VF823U BN-VF815 BN-VF808 GR-D771 GZ-HD7 GZ-MG - AliExpress