The xtender multifunctional battery inverters offer an optimal management of all energy sources that can be found in offgrid, ongrid and hybrid systems. With 30+ years of experience from manufacturing power electronics in Switzerland, studer designed the xtender to provide reliable power to any application and to work with all types of battery technology. The xtender has a 10-year warranty.




Outstanding efficiency and overload capacity

Self-consumption strategies, battery priority (or to renewable sources)


Perfect AC source management: peak power shaving, active load filtering


Compatible with AC coupling and all battery technologies (incl. lithium)


Advanced battery accessories

bts 01 Temperature sensor

bts 01

Temperature sensor

bsp Advanced battery processor (lead-acid)


Advanced battery processor (lead-acid)

xcom CAN Communication with lithium BMS

xcom CAN

Communication with lithium BMS

Display, datalogger, monitoring and communication

rcc 02/03 Configuration, display, datalogger

rcc 02/03

Configuration, display, datalogger

xcom LAN/GSM Remote monitoring (Portal & App)

xcom LAN/GSM

Remote monitoring (Portal & App)

xcom 232i/CAN/485i Communication bridges (openstuder)

xcom 232i/CAN/485i

Communication bridges (openstuder)

Compatible accessories

vario solar charge controller


solar charge controller

ecf 01 Cooling fan for xts

ecf 01

Cooling fan for xts

xconnect Three-phase mounting frame for xth


Three-phase mounting frame for xth

arm 02 External auxiliary contacts module

arm 02

External auxiliary contacts module

rcm 10 Remote control module

rcm 10

Remote control module

Technical data


xtender xtm