This is the Onyx 150 balance board Thunder Power LiPo with cable for the Duratrax Onyx 150 1-3S LiPo balancing charger.
Includes: One balance adapter board and one cable to connect board to charger
Length: 41mm (1-5/8)
Width: 27mm (1-1/16)
Height: 13mm (1/2)
Cable length: 4-9/16 (116mm)
Note: This board is an optional part for the Duratrax Onyx 150 AC/DC LiPo Balance Charger