ARB-L18-3500U is a high capacity 18650 Li-ion USB rechargeable battery with a built-in micro-USB charging port. It also includes a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. These USB rechargeable batteries can quickly be charged without the need for a separate charger. This not only saves you money from purchasing a charger, but also provides the convenience of not having to carry around another device. This will work in all of the current models that utilize a li-ion 18650 battery. A micro-USB charging cord is NOT included.
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My favorite battery is the 5000 mAh 21700 which I use in all my higher capacity flashlights. But this 18650 is great for my slimmer profile lights. I have about 15 flashlights. Most of these I bought from Fenix Lighting. Yeah, I should start going to meetings for flashlight freaks. Lol. BTW, Fenix Lighting has been a great company to work with. Excellent products and customer service. And no, I’m not being compensated for writing this review.
My family owns at least 8 Fenix lighting products. Best lighting equipment on the market in my opinion.
Thanks Fenix staff
bought for TK 16, already have the cable and the block to charge my phone for the 2600u that is already used. since able upgrade, hope it works out well time will tell.
I bought this to drop into my PD 32 V2. It works great, charge’s easily. Lasts forever practically. Would buy these type of batteries any-day to replace a un rechargeable or less performing battery.