Increase Camcorder Power Supply Time br br How I hacked an odd shaped plug to my JVC GZ-HM960BEK Camcorder to my power supply to use a Battery Bank LCD External Power Backup Dual USB Battery Charger to increase the Camcorder battery time br br This has shown to be reliable over many, many months of use. br br I mainly use as a backup power for my Camcorder it gives me much longer Camcorder battery time br br I use this with a hack to the power lead for a JVC GZ-HM960BEK but this hack can be used for almost any USB charged unit. br br Unboxing, review of LCD External Power Backup Dual USB Battery Charger br br br br .