18650 lithium rechargeable battery, 2200 mAh.
The picture shows all the batteries our UV lights take, so that you can see the relative sizes. From left to right: 26650, 18650, AA, AAA.
The 18650 is pictured second-from-left, i.e. it is "Battery, rechargeable lithium 18650" - you will not get all four batteries!
IDEA: buy two batteries and one charger, so that you always have a spare battery handy.
When you buy a UV light from us, it comes with batteries.
Some take AA or AAA batteries only (we use a good quality alkaline battery, as pictured). These are included in the price of the UV torch.
Some take a 26650 battery only. A battery and a charger is included in the price of the UV torch.
Some can take standard AAA batteries (included in the price) or a lithium 18650 rechargeable battery (optional). If you would like the optional 18650 battery - this is it.
Don't forget to buy a charger if you don't already have one.
How long a battery lasts on one full charge, is listed (in great detail!) on each product description.
Find out all about UV lights (article)
Photos of what you will see with UV lights
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