My analyser batteries don't last only getting 30mins to an hour max

My analyser batteries don't last only getting 30mins to an hour max

• Check the instrument has rechargeable batteries fitted.
• Charge the analyser using the charger supplied for 6 -12 hours.

If this fails, replaced the rechargeable batteries.

The batteries we recommend are:

1.2v 1900mAh Ni-MH AA batteries Part No: B15