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The Fenix ARB-L18-3500 is a high capacity 18650 Li-ion rechargeable with a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. The battery also includes pressure relief vents which expel waste gas in the rare case of an internal short circuit preventing an explosion.
Fantastic battery! Has overall great construction and performance. With the protection chip inside protecting it from overcharges and being fully drained this battery is a fine edition to my outdoor gear. Yes it was pricey but seeing it perform compared to my other 18650 batteries I own, the Fenix brand 18650 was the way to go! I was so impressed with the one that came with the HM65R headlamp that I invested in 4 more!! I do a lot of cave exploration and hiking at night so the extra amount serves me very well. Overall fantastic product by Fenix!
Zachary D. (verified owner) –
Fantastic battery! Has overall great construction and performance. With the protection chip inside protecting it from overcharges and being fully drained this battery is a fine edition to my outdoor gear. Yes it was pricey but seeing it perform compared to my other 18650 batteries I own, the Fenix brand 18650 was the way to go! I was so impressed with the one that came with the HM65R headlamp that I invested in 4 more!! I do a lot of cave exploration and hiking at night so the extra amount serves me very well. Overall fantastic product by Fenix!
Larry (verified owner) –
Fenix lights and batteries are the best I’ve ever used.
Clifford J. (verified owner) –
Met and exceeded my expectations
Anonymous (verified owner) –
fits, charged, works as described, delivered on time
Richard (verified owner) –
Lots of power. I really like charging in the headlamp itself. USB c is easy to use.