18650 to 21700 battery Adapter
This battery adpater will allow you to use a 18650 battery in lights that use 21700 protected battery. Simply slide the 18650 battery into the adapter and then insert into light. This adapter will work in any of our lights that use 21700 batteries and should work in any other lights that use 21700 batteries.
Please note that the weight of this is battery adapter is about 0.25 ounces and made out of durable plastic with a copper spring and button top.
Other Details1 year warranty
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