Very often, treasure hunters do not know what batteries to buy for metal detectors. New metal detectors (such as Minelab Equinox, XP Deus, Quest, etc.) use built-in batteries but there are metal detectors, like the updated Garrett ACE Series, that use AA batteries.
Some metal detectors come with special batteries already included in the kit. However, in most cases, a metal detector comes with conventional batteries. You can use them for some time but it is better to get more reliable batteries for long and productive detecting.
Batteries can be of the following types:
One of the best types of batteries for the metal detector is Nickel-Metal Hydride Batteries (NI-MN). Their capacity is 2-3 times higher as compared with Nickel-Cadmium, but they also can lose their capacity due to difficult weather conditions, such as low temperature. Thus, it is better to choose a powerful battery with the capacity of more than 2000-2500mAH for a long-term metal detecting.
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