Megger DLRO-10 Guide De L'utilisateur page 18

BATTERY MODULE AND CARE
WARNING
Connecting to greater than 15 volts can cause permanent
damage to the battery module.
The DLRO10 and DLRO10X can also be powered from
a mains / line power supply unit the DLRO10LPU. This
is available as an accessory, details can be found in the
Accessories section of this user guide
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