Fenix RCR123A/16340 (Li-Ion) High Current rechargeable USB battery
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Delivery method on Monday 22.06.2026
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Delivery method on Monday 22.06.2026
Product description
Battery protection can be divided into two areas. In the first, electronic circuits are added, which prevent the cell from being overcharged (a situation where there is a risk of explosion with classic li-ion batteries) or, on the contrary, from discharging too much (the battery would then not be able to be recharged). In addition, these circuits protect the battery against a short circuit or high current consumption, which could damage the battery. If the battery electronics evaluates reaching the limit values, it disconnects the cell.
The second area is protection against overheating (PTC thermal protection) and a special anti-explosion valve. Unlike other valves used in li-ion batteries, this one, when the gas pressure in the cell exceeds a certain limit, separates the electrodes inside the battery and thus de-facto interrupts the exothermic reaction and releases the excess gas pressure outside the battery. Thanks to the combination of electronic and mechanical (temperature and pressure) protection, Fenix batteries are among the safest li-ion batteries available.
The size of the RCR123 accumulator corresponds to the disposable lithium CR123A battery, which is why it is often used in lights as a rechargeable alternative to these disposable cells. Check first if your appliance supports this article, as it has a higher nominal voltage compared to a disposable battery. These batteries can also be used, for example, in Fenix E15 XP-G2, E16, E18R, PD25R, Fenix RC09, HM50R, HM51R, CL09, Fenix PD22 Ultimate Edition lamps.
ATTENTION - do not use in Fenix E15 (does not apply to E15 XP-G2), PD10, PD12, PD20, PD22 (does not apply to Ultimate Edition) and HL50, there is a risk of damage to the electronics!
Due to the length of 35.5 mm, it may not fit into older models of lamps!
Reviews
Product questions
Fenix RCR123A/16340 (Li-Ion) High Current rechargeable USB battery
Rechargeable battery Fenix ARB-L16-700UP (RCR123A, 16340) with its own charging mico-USB connector. It can be charged by connecting the cable to the micro-USB connector (e.g. from a computer or mobile phone charger), as well as in a classic charger. Compared to ARB-L16-700U and ARB-L16-700 batteries, it is designed for a higher discharge current (up to 2.5 A). It is therefore particularly suitable for devices with a larger current draw, e.g. for Fenix E16 and Fenix E18R flashlights. Li-ion technology gives one of the best ratios of the amount of stored energy to the weight of the cell. The batteries have no memory effect and self-discharge is minimal.Battery protection can be divided into two areas. In the first, electronic circuits are added, which prevent the cell from being overcharged (a situation where there is a risk of explosion with classic li-ion batteries) or, on the contrary, from discharging too much (the battery would then not be able to be recharged). In addition, these circuits protect the battery against a short circuit or high current consumption, which could damage the battery. If the battery electronics evaluates reaching the limit values, it disconnects the cell.
The second area is protection against overheating (PTC thermal protection) and a special anti-explosion valve. Unlike other valves used in li-ion batteries, this one, when the gas pressure in the cell exceeds a certain limit, separates the electrodes inside the battery and thus de-facto interrupts the exothermic reaction and releases the excess gas pressure outside the battery. Thanks to the combination of electronic and mechanical (temperature and pressure) protection, Fenix batteries are among the safest li-ion batteries available.
The size of the RCR123 accumulator corresponds to the disposable lithium CR123A battery, which is why it is often used in lights as a rechargeable alternative to these disposable cells. Check first if your appliance supports this article, as it has a higher nominal voltage compared to a disposable battery. These batteries can also be used, for example, in Fenix E15 XP-G2, E16, E18R, PD25R, Fenix RC09, HM50R, HM51R, CL09, Fenix PD22 Ultimate Edition lamps.
ATTENTION - do not use in Fenix E15 (does not apply to E15 XP-G2), PD10, PD12, PD20, PD22 (does not apply to Ultimate Edition) and HL50, there is a risk of damage to the electronics!
Due to the length of 35.5 mm, it may not fit into older models of lamps!
Recommended chargers
However, the battery can also be charged in classic Li-ion battery chargers:- Charger Fenix ARE-A2
- Charger Fenix ARE-A4
- Fenix ARE-D1 USB charger
- Fenix ARE-D2 USB charger
- Mini USB charger MC1
- USB charger SC1
- Two-channel USB charger FC2
- Lii-100 USB charger
- Charger Lii-500S
- SkyRC MC3000
Warning
- If possible, do not discharge the battery below 3V
- Do not short-circuit the battery (do not connect the poles of the cell with a wire)
- Do not throw the battery into fire
- Never insert the battery into the charger upside down (opposite polarities)
- When using the accumulator, pay attention to the safety principles
- Use only an adequate charger that supports li-ion batteries
Product features
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Protection electronics built into the positive terminal provide protection against overcharging, deep discharge and short circuit
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Plug the USB cable into the side micro-USB connector, the indicator light on the top of the battery will be red while charging. It will be blue when fully charged.
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Product details
| Capacity | 700 mAh |
| Weight | 18.8 g |
| Nominal voltage | 3.6 V |
| Maximum current input | 3.5C (2.5 A) |
| Maximum charging current | 1 A, charging current of the built-in micro-USB input: 0.3 A |
| Battery life | 500 charging cycles |
| Diameter | 16 mm (+/- 0.2 mm) |
| Height | 35.5 mm (+/- 0.2 mm) |
| product ID | 122304 |
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Fenix is a recognized brand in the field of lighting, known for their high-quality and reliable products. Founded in 2004, Fenix has built a solid reputation for manufacturing a wide range of flashlights, headlamps, lights, and other lighting solutions for a variety of outdoor, tactical and everyday uses. With their commitment to innovation, durability and reliability, Fenix has become a trusted name in the lighting industry.
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Objednane ako nahrada, som rad, ze funguje a svetlo po problemoch (slaba bateria) znovu dobre funguje.
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Dokúpená k Fenix HM51R Ruby V2.0 pre potreby dlšieho používania. Vymením rýchlejšie ako nabijem...
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mala, lahkla, do malej celovky super. vyborna vec je moznost nabijat bateriu bez nabijacky
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na dlhšie vyjazdy/vyšlapy som kupil druhú náhradnú
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Kvalita za super cenu, len kapacita troch malá.
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Funguje, dá sa nabíjať priamo nabíjačkou.
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Ako sa pls dozviem, že je už nabitá?
Translate by GoogleShow the originalMá v sebe aj nejaký indikátor nabitia?
Dík!
Do celovky nutna vymena za staru!
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Poslúžila ako záložná batéria
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Je v pohode, len nemá takú kapacitu, ako by som si vysníval.
Translate by GoogleShow the originalit seems to me that it already has a lower capacity than the one I had before without usb, who knows how long it has been in the warehouse...
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Potvrdzujem, aj mne sa zdá kapacita nižšia ako u pôvodnej baterky
Translate by GoogleShow the originalToo bad it's not usb c
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