All of this electric equipment needs wiring and the wiring needs an easy method of assembly/disassembly (preferably tool-less)
An additional bump in the road is that the high currents (amperage) involved meas that the low voltage portions of the wiring needs to be very large/awkward.
The LiFePo4 (lithium phosphate batteries that I have all use metric M8-1.25 bolts to attach the wiring to the aluminum terminals; NOTE: just because the batteries and terminal bolts that I have are alike does not mean this is standard verify the sizee and thread of your battery's bolts before proceeding. (Use extreme caution when tightening these bolts since aluminum or brass is very soft and the threads are easy to strip; which would necessitate redrilling the holes and tapping to a larger bolt size or installation of helicoils to repair the stripped threads).
... another caution M8 bolts are very close to 5/16" bolts (used on some automotive lead/acid batteries), but use of 5/16" bolts will result in cross threading the holes; resulting in damage to the threaded portions of the terminals. DO NOT use 5/16" bolts in M8 holes. Get the proper hardware.
Since I would rather avoid these potential problems, my first thought was to install stainless or copper studs in the battery terminal holes and use either knurled thumb nuts or wingnuts to hand tighten the connections.
After a bit of searching on line (amazon), I found these stainless marine battery connections in the proper (M8 x 1.25) thread size;
Amazon.com : 2 Pairs of VLYNX Marine Style Wing Nut Stainless Steel Battery Terminal Posts (Replace Any M8 Battery Screw Posts, 8mm) : Sports & Outdoors
www.amazon.com
Since I have two 100AH batteries so I bought 4
(Edit) Note; the ones that I actually received have M8 x1.25 threads on one end and a 5/16 thread for the wingnut on the other.. The pic seems t o show 3/8 inch threads and wingnuts on one end.
A major caution needs to be understood;
These and similar batteries can easily supply currents that are quite literally enough to arc weld with. Use care to avoid shorting the terminals or making sparks SEVERE injury is possible; not just burns but also eye injury including retinal burns from such arcs. Protect yourself and those around you. If you must try welding with its attendant risk of battery explosion and fire use appropriate protection especially for your eyes. YOU are responsible for any risks you take.
I really prefer insulated terminals so I also ordered some insulated copper terminals with M8x1.25 threads. The user reviews say the plastic is rather fragile so I don't know how well these will work (haven't received them yet)..
I expect to have to trim the threaded parts to fit the battery terminal, hole depth.
Enjoy!
