@Bayliss already suggested an easy thing to check. Otherwise I'd think the brakes are adjusted too tight. Drum brakes are typically "self-energizing" (actually self-servo) meaning the front… (View Post)
There is a good discussion here: https://tab-rv.vanillacommunity.com/discussion/17880/low-batteries-gloso-trips-when-i-try-to-charge In a nutshell, you would have to upgrade both wiring and the break… (View Post)
Keep in mind the smart shunts are rated in amps (A), not amp hours (Ah). The battery capacity is irrelevant (although the data sheet states the shunt can only keep track of 9999Ah, or 100 batteries :… (View Post)
*Warning: Controversial statements below !* :) Generally speaking a single axle travel trailer should not need a WDH. The 400 weighs ~3000 lbs dry with tongue weights of 350-380 lbs. Obviously ready … (View Post)
Forgot to ask: Confirm you got an AGM battery not a LiFePo battery? As @pthomas745 mentioned the latter type turns off the output completely when the charge gets too low. (View Post)