Theese are long battery posts to use with 5200 mAh batteries. These are the same post that are used in the standard size Helix and Helix Mg.

Current Stock:
4.00 (in)
4.00 (in)
4.00 (in)

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Perfect for longer run times

Kevin McRoberts on 5th Nov 2016

These adapt the Letus Helix Jr. to use the larger JuiceBox 5200 batteries, a godsend when using the Helix Jr. with 'larger' setups like the Sony FS5. Easy screw-in replacement for the standard battery posts, and holds the batteries securely. My only recommendation for improvement would be to make the cage-side thumbscrew a captive screw... I've already nearly lost it three times in the field.