The ARB-L21-5000U 21700 Rechargeable Lithium-Ion Battery from Fenix Flashlight is designed for flashlights and other high-drain devices requiring increased battery capacities and extended runtimes. The cell maintains its output for long periods of time, and this battery has its own USB-C charging port for quick and easy charging without the need for a separate charger. Safety features include a protection circuit in the anode to help prevent overcharging, discharging, overheating, and short circuits. Additionally, pressure relief vents expel waste gas in the rare case of an internal short circuit. The battery is engineered for 500 charging cycles and is compatible with the ARE-A2, ARE-A4, ARE-D1, and ARE-D2 battery chargers.

High-Capacity Battery    USB-C Charging Port    Charge Indicator Light    Recharges up to 500 Times    Built-In Protection Circuit    Pressure Relief Vents Expel Waste Gas

Related Questions and Answers

Q: 1. standard 18650Li so any other branded battery you buy to replace it will be too big and will not fit. If this battery is sized too big for that product, then is there any other 18650 battery on the market that's smaller than standard size to fit in the Moza Air 2? Because the Moza batteries died on me (and many other people in the reviews section) and I don't want to replace them by again buying the same faulty battery it comes with. Anybody have any knowledge on this unique issue?

A: Is hard to say which ones do and which don't, moza has made it difficult to know with their batteries being slightly different.

Q: 2. How many Amps does this battery output?

A: The SurereseFire 18650 Li-Ion Rechargeable Battery with Charging Port (3.6V, 3500mAh) has 3500 milliamp/hour.

Q: 3. Will these fit in the Moza Air 2 battery compartment? I have read where the batteries that come with the Moza are smaller than standard 18650Li so any other branded battery you buy to replace it will be too big and will not fit. If this battery is sized too big for that product, then is there any other 18650 battery on the market that's smaller than standard size to fit in the Moza Air 2? Because the Moza batteries died on me (and many other people in the reviews section) and I don't want to replace them by again buying the same faulty battery it comes with. Anybody have any knowledge on this unique issue?

A: I contacted Gusden (the manufacturer of the Moza Air 2) concerning your inquiry. Unfortunately, they state they cannot guarantee the performance of the SureFire 18650 Li-Ion Rechargeable Battery with Charging Port (3.6V, 3500mAh) in the Moza Air 2 gimbal. They instead recommend the customized Moza Li-Ion Battery for Moza Air 2 (4-Pack), B&H # MOMCG7, for use in the Moza Air 2, and cannot guarantee compatibility with the Surefire battery option.

Q: 4. will they fit in streamlight pro tac 2l-x ?

A: The Streamlight ProTac 2L-X Professional Tactical Flashlight can be powered by one SureFire 18650 Li-Ion Rechargeable Battery with Charging Port (3.6V, 3500mAh).

Q: 5. Can I charge this from my computer's USB port?

A: Yes, this 18650 battery can be charged from your computer's USB port using a USB A to Micro USB cable.

Q: 6. How long is this battery in mm?

A: According to the manufacturer, this 18650 battery measures 69.4 x 18.6mm.

Q: 7. do you have to use the usb charger, or can I charge these in my Opus BT3100 charger?

A: It can be charge with either device.

Q: 8. Can this battery be used plugged into USB source, and simultaneously used in camera so it may act as dummy battery/USB cable?

A: Unfortunately, the Vidpro Sony NP-FZ100 Type Lithium-Ion Battery with USB-C Charging Port (2400mAh) cannot be plugged into a USB cable while it is in use in the camera.

Q: 9. Does this work with the Tilta Advanced ring grip handle?

A: Yes. The following system adapts to all 18650 batteries on the market.

Q: 10. Would like to use with a Streamlight HL4 flashlight. Will the fit with no issues. Can they be recharged with a Streamlight charger?

A: Yes they will fit an yes you can use them with the streamlight charger as well.