Battery for Righton K-Plus 3 Retinomax RT-121 CS-RTK300MD 7.4v 2600mAh 19.24Wh $38.69 $119.99 Battery for Righton K-Plus 3 Retinomax 3 RT-121 CS-RTK300MD 7.4v 2600mAh / Compatible with the following devices K-Plus 3, Retinomax 3 Compatible with Battery Part Numbers RT-121 Add to Cart