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Fenix ARB-L21-4000P Rechargeable 21700 Battery

Marsoni M251S
Sale price$27.95
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Get it in 3 business days with 1 day shipping. Friday, May 29
Fenix ARB-L21-4000P Rechargeable 21700 BatteryThe ARB L21 4000P battery supports large current output making it ideal for powering lights and other items that are operated at higher power loads. The maximum current for the ARB L21 4000P is 18A, with a continuous output current of 10A. The higher current allows the 21700 battery longer runtimes at higher levels in flashlights. As with all Fenix rechargeable batteries, the 21700 4000 mAH has three sets of overheat protection, including pressure
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Teresa Stevens
Cuba, US
★★★★★ 5
Loved it
Fit perfectly
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Reviewed in the United States on December 9, 2025
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Anthony Honny
Omaha, US
★★★★★ 4
Boys linen suit
Size: 10, Color: Light Blue
Looks great. Just wish it included a shirt
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Reviewed in the United States on March 21, 2026
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Denise
Alexandria, US
★★★★★ 5
Great product
Size: 10, Color: Light Champagne, Size: 10, Color: Light Champagne
Not bring the tshirts but fit really good
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Reviewed in the United States on August 10, 2025
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Tania S
Louisville, US
★★★★★ 5
Very comfortable
Size: 14, Color: Light Green
I received so many compliments on my son’s outfit for graduation. 
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Reviewed in the United States on June 26, 2025
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Heissel S.
Bozeman, US
★★★★★ 1
no pure white.
no pure white.
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Reviewed in the United States on February 4, 2026

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