I just converted my SIMA SL 20IR lights to run off 3 AA batteries instead of the rechargeable battery that it comes with. One of the biggest complaints I had with these lights is the low battery life it had. Here is how I did it step by step. They conversion works perfectly for me but before you start I must warn you that you try this at your own risk. You will need: Drill and a small drill bit (about 1/16th) 3 or 4 AA battery compartment (it will use 3 batteries) Velcro Very small Phillips head screwdriver Shrink wrap/Electrical tape Snips to cut wire OK, let’s get started: Step 1 – Take out the 4 screws in the back on the SIMA unit.Read More…