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Fenix ARB-L16-800UP 16340 Rechargeable Battery
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The Fenix ARB-L16-800UP Built-in USB-C Rechargeable Battery is a 16340 Li-ion battery with a protection circuit in the anode to help prevent short circuits, overcharge/discharge and overheating. This battery has its own USB Type-C charging port for quick/easy charging without the need for a separate charger. The battery also includes multiple levels of protection including overcharge protection, overheat protection, and pressure relief vents which expel waste gas in the rare case of an internal short circuit preventing an explosion.
It is designed to work with: PD25R, LD15R, E18R V2.0, and HM50R V2.0. A USB Type-C charging cord is NOT included.
Specifications of the ARB-L16-800UP Built-in USB-C Rechargeable Battery
- Size: 16340 Button Top Battery
- 800mAh Nominal Capacity
- 3.6V Nominal Voltage
- Charging current: 0.6A
- Charging current by USB port: 0.5A
- Protection Circuit in the Anode to prevent short circuit
- Multiple layers of protection
- 500 charge cycles can be expected from a properly maintained battery
- Fully covered with a steel shell for impact resistance
- Overcharge, discharge, short circuit, and overheating protection
- Three sets of over-head protection: Pressure relief valve protection, separate microporous protection, and PTC cathodal block protection
- Weight: 0.66 ounces (18.8g)
- Size: Length: 1.38″ (35mm) Diameter: 0.66″ (16.7mm)
- 12 months free warranty from date of purchase
- Indicator light on battery is red while charging, blue when charged
When systems fail, capability matters. This gear is chosen for real-life application.
Durable materials. Practical construction. Dependable performance under stress.
If it doesn’t improve preparedness, we don’t carry it.

Survival Gear BSO was built for those who understand that readiness isn’t paranoia — it’s wisdom. We curate practical, field-ready gear designed to help you protect, provide, and persevere when it matters most.
No gimmicks. No fluff.
Just dependable equipment for real-world situations.
HOW FAST WILL MY ORDER SHIP?
We process and ship most orders within 2–3 business days.
Once your order is on the way, you’ll get a tracking number so you can monitor delivery. Orders don’t ship on weekends or federal holidays, and expedited options are available at checkout.
CAN I TRACK MY ORDER?
You can track your order by checking the shipping confirmation email, which contains a tracking number and a link to the courier's website. Alternatively, log in to your account on our website, navigate to "My Orders," and click on the tracking link provided for your order.
WHAT IF THERE’S AN ISSUE WITH MY ORDER?
If there is an issue with your order, please contact our customer service team as soon as possible. You can reach us via email, phone, or through the contact form on our website. Provide your order number and a brief description of the problem so we can assist you quickly.
CAN I MODIFY OR CANCEL MY ORDER?
Contact us as soon as possible after placing your order. If it hasn’t shipped yet, we’ll do our best to assist.
DO YOU OFFER RETURNS?
Yes. If your gear isn’t the right fit, we offer straightforward returns. See our return policy for details.
WHY SHOP WITH SURVIVAL GEAR BSO?
We curate practical, field-ready equipment — no gimmicks, no fluff. Everything we carry serves a real preparedness purpose.


