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If the hybrid inverter is not connected to a battery, it will not support reliably the
backup function.
The battery should be connected to the common grounding of the house (PE Bar)
rather than directly to the inverter PE.
The energy in the battery will not backfeed into the PV modules.
6.7.2 Installing the Battery Connector
The connector type is subject to the actual received device.
step 1 Strip the insulation from each DC cable by 7~8 mm.
step 2 Assemble the cable ends with the crimping pliers.
1: Positive crimp contact 2:Negative crimp contact
step 3 Lead the cable through cable gland, and insert the crimp contact into the insulator until it
snaps into place. Gently pull the cable backward to ensure firm connection.
step 4 Tighten the cable gland and the insulator.
6 Electrical Connection User Manual