Minn Kota onboard charger

[The Terminator]

Am considering the 3 bank Minn Kota vs. the Guest 3 bank, 10-10-10. Minn Kota has the 2 year warranty vs. 1 year for the Guest. Minn Kota weighs about 50% more.

Any views on the Minn Kota folks?

Thanks...Tony