Yea i have been having problems lately getting my little Hobbico Starter to turn over my OS .61 and Beleive it or not a .46 it wouldnt turn it over think my little hobby battery is wearing out. Gonna have to start doing it off the truck.. But the little hobbico battery was so convienent may just replace it it is a year old but i would think it would have lasted longer.
Dynatron Starter sounds like a good one.
Hmmm Something to consider adding to the hobby box.