USB power bank charger for Golden Mask metal detectors for all models of the brand with Li-Ion battery. The charger could be plugged into a portable battery (Power Bank) or any other USB car, computer, or wall adapter socket able to provide 3A or more amperage. With a power bank (portable battery for mobile phones) you could charge your detector while you're on the field.
WARNING! This charger shall be used to charge only Li-Ion batteries on Golden Mask metal detectors. Using this charger for any other purpose could cause damage or fire!