15 
CONTENTS
Batteries and Charging
The VANQUISH Series is compatible with both rechargeable 
and non‑rechargeable AA batteries�
WARNING: Never use a combination of non‑
rechargeable and rechargeable batteries in the 
detector, as this may result in damage to the 
detector or batteries�
WARNING: There is a risk of explosion if the battery 
is replaced by an incorrect type�
BATTERY LEVEL
The Battery Level indicator shows the current battery level�
The battery Level Indicator
Note that rechargeable and non‑rechargeable batteries 
have different discharge rates, therefore the Battery Level 
Indicator is approximate only�
Low Battery
If using non‑rechargable batteries, the Battery Level Indicator 
will flash for approximately 20 minutes before automatic 
shut‑down�
If using rechargeable batteries, the Battery Level Indicator 
will display a single battery segment for approximately 20 
minutes before automatic shut‑down�
Automatic Shut‑Down
When the battery level is critically low, the detector will 
automatically shut‑down� 5 seconds before automatic shut‑
down, ‘bF’ displays on the Target ID Number, accompanied by 
a shut‑down audio tune�
'bF' on the Target ID Number field�
Note that when using some brands/types of rechargeable 
batteries, the detector may not show ‘bF’ before automatic 
shut‑down�
Battery Run/Charge Times
Minelab rechargeable AA NiMH batteries have an 
approximate charge‑time of 8 hours, and a run‑time of 
approximately 11 hours�
Non‑rechargeable AA alkaline batteries have a run‑time of 
approximately 10 hours�
RECHARGEABLE BATTERIES
The VANQUISH 540 and VANQUISH 540 Pro‑Pack are 
supplied with four rechargeable AA NiMH batteries and a 
battery charger� These accessories are also available to 
purchase separately�
Minelab AA NiMH  
Battery Charger
Minelab rechargeable  
AA NiMH batteries
For detailed instructions, compliance and safety information 
for the Minelab AA NiMH Battery Charger, refer to the 
instructions included with the charger�
WARNING: The Minelab NiMH Battery Charger must 
only be used to charge NiMH rechargeable batteries�