IEM Mobil-O-Graph Instructions For Use Manual page 369

Tips:
Fully charge the rechargeable batteries before using them for the first time.

Please note that NiMH rechargeable batteries only reach their full charge capacity after the 4th charging

cycle.
Recharge rechargeable batteries again if they have been lying around unused for a long time.

Avoid total discharge in order to protect your rechargeable batteries.

Note
Only use the rechargeable batteries supplied by us with the charger.
ATTENTION
Never charge non-rechargeable batteries. These can leak or explode and cause damage to your health.
For further information, please refer to the instructions for use of the charger.
Rechargeable batteries/batteries
EN
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