Quick Comparison
| Product | Best For | Est. Price | Rating |
|---|---|---|---|
| Streamlight SL-B26 Battery Pack | Best Overall | ~$30-45 | 4.7/5 |
| Tenergy CR123A Rechargeable | Best Budget | ~$15-25 | 4.6/5 |
| Surefire SF18650B Battery | Best Premium | ~$25-40 | 4.7/5 |
| Olight RCR123A Battery | Best for Flashlights | ~$18-30 | 4.5/5 |
| Powerex Precharged CR123A | Best Compact | ~$20-32 | 4.6/5 |
Intro
The CR123 format has powered everything from high-end flashlights to wireless security cameras for decades. The problem is that single-use lithium primaries are expensive. and if your devices eat them fast, the cost adds up quickly. Rechargeable CR123 batteries solve that by letting you reload the same cells hundreds of times with a compatible charger.
In 2026 the rechargeable market for this format has matured considerably. Cells hold voltage better through the discharge curve, chargers are smarter, and cycle counts have climbed. Whether you run a bank of Arlo cameras, a collection of tactical flashlights, or a pile of gun-mounted lights, there is a rechargeable option that fits.
Top 5 Picks
1. Olight RCR123A 650 mAh. Olight’s in-house cells are built specifically for their flashlight ecosystem but work in any standard CR123 slot. Rated for 500 cycles with a micro-USB charge port on the cell itself, so you don’t even need a standalone charger.
2. EagleTac 16340 IMR 700 mAh. High-drain IMR chemistry handles the burst current that performance flashlights demand. The flat-top design fits most CR123 carriers and delivers consistent 3.7V until nearly depleted.
3. Streamlight SL-B26 Protected. Streamlight pairs two cells with a dual-bay USB-C charger in the box. Built-in protection circuit guards against overcharge and over-discharge, making these a safe choice for less-experienced users.
4. Nitecore NL1665R 650 mAh. A self-contained rechargeable with a micro-USB port embedded in the positive end cap. Ideal for travel or field use where carrying a separate charger isn’t practical.
5. Panasonic CR123A + Xtar BC4 Charger Bundle. If you want genuine Panasonic primary performance combined with a smart charger, this bundle bridges the gap. The BC4 handles multiple battery formats, making it useful beyond just CR123 cells.
What to Look For
Capacity (mAh). Rechargeable CR123 cells typically run 500-800 mAh versus a primary’s roughly 1,500 mAh. That means shorter run times per charge, but the ability to recharge offsets the difference for most users.
Chemistry. IMR vs ICR. IMR (lithium manganese) cells handle high-current loads better and are inherently safer without a protection circuit. ICR cells offer slightly higher capacity but need a protection circuit in demanding applications.
Built-in charging. Self-charging cells with a USB port on the body are convenient but add cost and a small amount of weight. Standalone charger setups are more economical when you need to charge many cells simultaneously.
Protection circuit. A built-in PCB prevents overcharge, over-discharge, and short circuit. Essential for devices that don’t have their own battery management. less critical in flashlights with regulated drivers.
Cycle rating. Look for cells rated at 500 cycles minimum. Budget cells with vague cycle claims often degrade quickly and lose capacity after 100-200 cycles.
Final Thoughts
Switching from single-use CR123 primaries to rechargeables pays for itself within a few months for heavy users. Prioritize cycle rating and chemistry over raw capacity numbers, and pick up a quality charger if your cells don’t include one. For most home and outdoor users, the Streamlight SL-B26 bundle is the easiest all-in-one entry point, while flashlight enthusiasts will appreciate the high-drain performance of the EagleTac IMR cells.
Frequently asked questions
Are CR123 and CR123A rechargeable batteries the same thing?+
Yes. CR123 and CR123A refer to the same cylindrical 3V cell. The 'A' suffix was added by some manufacturers and the terms are used interchangeably. Any rechargeable CR123A battery will fit devices labeled CR123.
How many times can a CR123 rechargeable battery be cycled?+
Quality rechargeable CR123 cells typically support 500 to 1,000 full charge/discharge cycles. At one cycle per week that is roughly 10-20 years of use, making the upfront cost far cheaper than buying disposables continuously.
Do rechargeable CR123 batteries work in all CR123 devices?+
Most devices accept them, but check the manual. Rechargeable CR123 cells output 3.6-3.7V versus the 3V of a primary, so some older or low-voltage electronics may behave unexpectedly. Arlo cameras, modern flashlights, and gun-mounted lights handle the higher voltage fine.