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Efest Needle 4 charger
Product Description
The Needle4 is a compact yet powerful mini charger which utilizes a USB power port to charger cylindrical rechargeable batteries of lengths tanging from 32 to 70mm.
The military grade loading spring and fireproof case ensures the Needle4 has a long cycle life
Indicator light:
Green: charger standby or battery fully charged
Red: charging