Temper 6KS Manual De Instrucciones página 138

Installation
Take out Anderson connector and make battery cables according to site's application
shown as below:
NOTICE: make sure that the red Anderson connector be connected to battery + and the black
Anderson connector be connected to battery -, or else it may destroy UPS.
12) For 15KL/20KL,connect the input 3 line wires to input A/B/C separately as fig.4. Or
connect 1 input wire to input C.
(a）Cables entry
136
True Online 6-20k UPSUserManual