10
Installing Battery Cables
3.6
Use insulated tools when connecting cables.
Connect battery cables with correct polarity. If the positive and negative battery cables are 
reversely connected, the SUN2000 may be damaged.
Preparing Cables
Battery terminal 
(BAT-/BAT+)
Route the cable terminals 
into the cable holes.
Ensure that the cable cannot be 
pulled out after being crimped.
1. PV Cable Preparation
Jacket
Bare wire
Insulation 
layer
12 mm
50 mm
Cord end 
terminal
Recommended: 
CRIMPFOX 10S
The PV strings connecting to the same MPPT circuit should use PV modules of the same model 
and quantity.