Originally Posted by The Don
The lipos Hobbypartz sells have all worked nice for me and they are low cost as well. 8.9 volts is way too low under load! you should be closer to 10.8-11.0 under load. Watt meters can really help diagnose problems and are a great tool to have.
I'm definitely a believer in watt meters now.
Are you referring to the Blue Lipo or another one they carry?