Grape 40 Amp PWM Charge Controller versus ?
I often see recommendations for the Grape Solar GS-PWM-40BT 40 Amp PWM Solar Charge Controller. The Grape controller was recommended as a potential replacement for my Renogy 30A PWM LCD Controller an...
Forum Discussion
RedRocket204 wrote:
Then it would appear the main differences are the 10A delta and most importantly, the ability to fine tune the charge programming via BT.
correct, the grape version comes with the optional BT, which is apparently available on the 30,40,50 & 60A versions. Remote monitoring is useful as is programming but not absolutely necessary. Some folks would find a remote temp or voltage probe more useful.
renogy rebrands several different 30A w/LCD and that is why I provided the link for you to determine if you have the srne version.
your system makes a great maintainer when not camping!
