BP Smart Battery Charger User Manual V1.1
Close to batteries: Avoid excessive cable lengths and use the recommended wire lengths
and sizes. Undersized or overly long cables may affect charging accuracy.
3.2.2 DC Wiring
The DC wiring must meet the following requirements:
Recommend sections for battery cables:
12A — 4mm2 minimum (AWG 11)
20A/25A — 8mm2 minimum (AWG 8)
40A — 13mm2 minimum (AWG 6)
3.3 Installing BP Series
WARNING Shock and Energy Hazards
Be sure to read the safety guidelines and pay attention to all cautions and warnings
throughout the installation procedure. The installer is responsible for ensuring
compliance with the installation codes for your particular application.
Disconnect all source of AC and DC power before proceeding.
CAUTION Reverse Polarity
Before making the final DC connection, check the cable polarity at both the battery and
the charger. Positive must be connected to positive; negative must be connected to
negative.
TBB Power Co. Ltd. 9
