Here are the instructions books for recent model bags. The instruction books are organized by the battery used. You can find the model number for your battery on the back.
V15 Products including Amp, Fuse 4W, OffGrid, Switch - download
V44 Products including Fuse 9W, 9 Watt Kit and 12 Watt kit - download
V72 (fka V60) Products including Array, Fuse 10W, Generator, 10, 17 and 18 Watt Kits - download
Instruction for older models:
V11 Products - download