The 100AMP will log over 100a but I don't know how risky it is or how much over. The 150a is out (I have one in my draw) and I think it will read over 150a but once again no idea on reliability.
This is what I have
http://www.offshoreelectrics.com/pro...PRV3-LEADS-150
Savage: FLM Conversion, 6s, MMM, CC 1520.
Mini-T Pro: Micro Pro 6800kv, Lipo, HS-81mg, Dirt Hawgs
M18MT: Quark 33A, Y22S 6000kv, FP 2s Lipo
LRP S8-BX: RC-M Conversion, Tekin RX8 B1600KV, 6S.