cisumma
New Member
- Joined
- Apr 2, 2021
- Messages
- 126
My 24 v mppt worked fine for several years. I ran into a low battery situation . The 400 amp hr bank ( lead acid) must be at 15 v ( meter got stolen so not sure ) but, I disconnected all the loads and the pv input and the 120 v from the grid won't turn on the mppt.