Recommendations Using The Battery - Promax PROLITE-67 Manual De Instrucciones

3.1.4 Recommendations using the battery

If anticipating a long period of inactivity for your instrument, it is advisable to store
it with the battery fully charged and at temperatures below 25 °C.
It is also advisable in these cases to carry out a cycle of charging/discharging and
a subsequent half charge (i.e. 50 %) every 3 months.
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USER'S MANUAL. PROLITE-67
07-2012