What is the mAh of the batteries?

1300 Mah On Lowes website under specifications, lower part of the screen. https://www.lowes.com/pd/SureFire-CR123A-Lithium-23A-Flashlight-Batteries/1054377

What is the difference between the red Surefire 123As and the brown ones? They seem identical, but the brown are cheaper.

Surefire red, Surefire brown, streamlight, Panasonic are ALL made in the same Panasonic factory in the US, and of hte same materials with some very very minor tweaks. For example a streamlight will run marginally longer (4%) than surefire at 10 ma very low load, 500 ma low load, and 2 amp maximum load. Surefire will run 3% longer at 1 amp mid/high load. These are trivial. Surefire brown are completely identical to reds BUT probably RISKY here on amazon because it is not amazon selling, but third party sellers, who may have knockoffs, quality control failure dumps, or old stock. Get streamlight or surefire "sold by" and shipped by amazon, or "sold by" streamlight or surefire which are made by Panasonic in their US factory, or alternately US made panasonic.

What are the use by dates on the batteries that are shipping out now (9/2/2014)?

I have purchased this item twice. This was my experience. I ordered a box in 2020, and the batteries had a 2023 expiration dates, which I noticed too late. But they worked just fine. I ordered another box in Feb 2023 and they came with 2031 expiration dates. All good as far as I am concerned.

what does 1400mAh mean?

It's the energy storage capability of the battery. The bigger the number means its able to run a given load for a greater length of time. Bigger is better.

Surefire 123a Lithium Batteries Box Of 12

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🔋 Power your adventures with batteries that never quit!

SAFETY FIRST - Integrated heat and short-circuit protection keeps your devices secure.
PROUDLY AMERICAN - Crafted in the USA to SureFire’s exacting standards for reliability.
BUILT FOR EXTREMES - Operates flawlessly across wide temperature ranges—rain or shine.
UNMATCHED LONGEVITY - Store with confidence—ready to power your gear for a decade.
POWER PACKED PERFORMANCE - Delivers a robust 12 Amps for high-drain devices like pro flashlights.

Surefire 123A Lithium Batteries (Box of 12) are high-performance lithium-ion cells optimized for high-drain devices such as SureFire flashlights. Featuring a 10-year shelf life, 12 Amps output, and wide temperature tolerance, these batteries include built-in heat and short-circuit protection. Made in the USA to rigorous standards, they ensure reliable, long-lasting power whenever you need it.

Specifications

ASIN	B0035HB694
Amperage	12 Amps
Antenna Location	Flashlights
Battery Capacity	1800 Milliampere Hour (mAh)
Battery Cell Type	Lithium Ion
Battery Weight	17 Grams
Battery capacity	1800 Milliampere Hour (mAh)
Battery cell composition	Lithium Ion
Best Sellers Rank	#83,594 in Electronics ( See Top 100 in Electronics ) #1,260 in Disposable Household Batteries
Brand	SUREFIRE
Customer Reviews	4.7 out of 5 stars 15,363 Reviews
Global Trade Identification Number	00084871820134
Item Dimensions	35 x 15 x 15 millimeters
Item Weight	0.05 Pounds
Manufacturer	Surefire
Model Name	LAS-SF12BB
Model Number	SF12-BB
Number of Batteries	12 Lithium Metal batteries required.
Number of batteries	12 Lithium Metal batteries required.
Recommended uses for product	Flashlights
Reusability	Rechargeable
UPC	084871820134
Unit Count	12.0 Count
Unit count	12.0 Count
Voltage	3 Volts

Reviews

C**S

Can’t beat Surefire batteries!

If you run a surefire flashlight, theses batteries are a must! Good quality and full power too. Storage life for 10 years if not in use. Best investment.

18.07.2026

A**C

Baterías ; SUREFIRE

Estas baterías son especiales para esta lámpara y son de buena calidad . Yo estoy muy satisfecho con esta marca 👍

6.09.2025

A**A

Battery

Excellent

24.10.2025

T**E

Worked

Fine

24.12.2020

P**I

Valeur sure

Je n'ai jamais trouvé plus fiable, avec une durée de vie excellente. Ramené au prix d'une pile, on trouve beaucoup plus cher et moins bon dans des marques plus commerciales

29.09.2017

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