3. Installation and Setup
3.6 External Battery Connection
The S3M30KX/S3M30KXD and S3M40KX/S3M40KXD UPS models include a robust internal battery system. The S3M60KX and
S3M80KX models require external battery packs. External battery packs may be used with all models to extend runtime. Adding
external batteries will increase runtime and require additional recharge time.*
The illustrations below show the location of the UPS system's external battery connector for the 30K and 40K model where the battery
pack connects
. The illustration at the bottom shows the connection for the 60K and 80K models. Follow the installation instructions
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for your battery pack as they appear in your battery pack Owner's Manual. Ensure the cables are fully inserted into their connectors.Small
sparks may occur during battery connection; this is normal.
Do not connect or disconnect battery packs when the UPS is running on battery power.
*Limit three external battery packs per UPS.
External Battery Connector for the S3M30KX/KXD/NIB and
S3M40KX/KXD/NIB Models
UPS 2
Wiring Diagram of Parallel System (S3M60KX/KXD and S3M80KX/KXD Models)
S3M60KX/KXD and S3M80KX/KXD External Battery Connection
UPS 1
Input
S3M30KX/KXD/NIB and S3M40KX/KXD/NIB External Battery Connection
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Output
BAT+
BAT N
BAT-
Ground