1. If you take two of the Nano One 50Wh batteries you can use them on the NANO L2S optional dual battery plate to create a larger capacity battery. 2. The dual battery plate is well made and it also has 3x D-Tap outlets on it for powering additional accessories. 3. Input: 14.8V NANO ONE*2 , Output: 14.8V double capacity 4. Three D-TAP outputs 5. SONGING FXLION NANO L2S is able to make two pieces of the supper small V-Mount battery FXLION NANO ONE with 50wh and NANO TWO with 98w use togeter, which can double the battery capacity. We also offer the battery NANO ONE and NANO TWO. ASIN B08X37LJH3 Brand Name SONGING Item Weight 10.2 ounces Item model number Nano L2S Package Dimensions 8.39 x 5.87 x 2.32 inches