Estragon ✭✭✭✭

In that heat, you could be losing a couple of volts Vmp. Assuming 60cell panels in parallel, which are marginal for mppt charging a 24v nominal bank, the controller may not be able to charge properl… (View Post)

With two strings, string fusing is optional. With three or more, each series string should be fused so a short in one string doesn't get fed by current from multiple good strings. You'd still want … (View Post)

Rebulk is a voltage setting that will trigger another bulk/absorb cycle. For example, say your bank gets full in the morning. You go into the workshop and do stuff with power tools. Meanwhile, it … (View Post)

The way I would (and did) do the pv wiring, is to get premade mc4 wire about 2x long enough to reach from each string to a weatherproof junction box located somewhere relatively easy to access and wo… (View Post)

Lithium (of which there are multiple types with distinct characteristics), solves some problems, but creates others. Some include inability to charge in cold temps, greater risk of fire, difficulty … (View Post)