16340 Battery vs CR123: Key Differences and Comparison

The 16340 battery and CR123 are two popular types of lithium-ion batteries used in various devices. They share some similarities, but they also have key differences.

The 16340 battery has a slightly longer length than the CR123, measuring 17.4mm in length compared to the CR123's 17mm. This is one of the main physical differences between the two batteries.

In terms of capacity, the 16340 battery typically has a higher capacity than the CR123, with a maximum capacity of 450mAh compared to the CR123's 1200mAh. This means that the 16340 battery can store more energy than the CR123.

Despite their differences, both batteries are widely used in devices such as flashlights, lasers, and other portable electronics.

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The 16340 battery and the CR123 battery are often compared due to their similar size, but they have some key differences in their specifications. The CR123 battery typically uses lithium manganese dioxide chemistry with a nominal voltage of approximately 3.0V.

Here are some key specifications to consider:

In terms of capacity, the CR123 battery generally has a capacity of around 1500 mAh to 1600 mAh, while the 16340 battery typically offers lower capacities, ranging from about 550 mAh to 900 mAh.

Here's a comparison of the two batteries' capacities:

The rechargeability of a battery is an important consideration when choosing between a 16340 battery and a CR123 battery. The CR123 battery is a primary (non-rechargeable) battery, designed for single use and not meant to be recharged.

If you're looking for a more cost-effective option in the long run, the 16340 battery is a better choice. This is because it's rechargeable, making it a more sustainable option for devices that support rechargeable batteries.

Here's a quick summary of the rechargeability differences between the two:

In general, if you're looking for a disposable battery, the CR123 might be the way to go. However, if you're interested in a more eco-friendly option that can be reused, the 16340 battery is the better choice.

CR123 batteries are generally more powerful than 16340 batteries due to their higher capacity and voltage. This means they can deliver more power to high-performance devices.

However, the 16340 battery has its own advantage. It's rechargeable, which can save money over time if used frequently.

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When comparing the performance of CR123 and 16340 batteries, it's essential to consider their voltage output. CR123 batteries are commonly used in devices where long shelf life and stable voltage are crucial, such as cameras and security systems.

The CR123 battery generally provides a more powerful performance due to its higher capacity and voltage. In contrast, the 16340 battery is often found in high-drain devices like tactical flashlights and vaping devices, where its higher voltage output is beneficial.

Devices designed for CR123 batteries may be able to accommodate 16340 batteries, but it's crucial to check the manufacturer's specifications before substituting one for the other. This is because the increased voltage may not be suitable for all devices.

Here's a quick comparison of the two battery types:

CR123 batteries are generally less expensive per unit than 16340 batteries. However, the 16340's rechargeable feature can save money over time if used frequently.

The cost-effectiveness of 16340 batteries lies in their ability to be recharged, making them a more economical option in the long run. This is especially true for frequent users.

Here's a quick comparison of the two:

The higher capacity of CR123 batteries also contributes to their higher upfront cost.

If you're in a pinch, consider alternatives like the RCR123A, which are similar in size and voltage to the 16340 battery.

The RCR123A is a good substitute in many cases, but it's essential to weigh the pros and cons of using disposable CR123A batteries versus rechargeable 16340/18650 batteries.

In some situations, the RCR123A might be a suitable replacement for a 16340 battery, but it's crucial to decide which option is right for you.

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The CR123 battery is a staple in many flashlights, but it's not the only option out there. The 16340 battery is nearly identical in appearance, but with a higher voltage that can give your light a performance boost.

Some flashlights can handle the extra voltage, but it's essential to check with the manufacturer to confirm compatibility. For lights that use two CR123A batteries, swapping them out for 16340s can increase the voltage by at least 1.2 volts, so double-check before making the switch.

A single 16340 battery can cost around $10, compared to $2-$4 for a CR123 battery. However, the 16340 can be recharged around 500 times, which means you'll save money in the long run.

If you're in a pinch and need a replacement for a 16340 battery, consider alternatives like the RCR123A. These batteries are similar in size and voltage, making them a good substitute in many cases.

The RCR123A is a viable option because it shares the same size and voltage as the 16340, allowing for seamless integration into most devices.

In some situations, the RCR123A may not be the best choice, but it's worth exploring if you're in a tight spot.

The 16340 battery is around 1/16″ longer than the 123, which can cause fitment problems with your light.

This added length may prevent your light from turning on when pressing the tail cap.

Back your tail cap off a turn or so and you may be able to get it to work consistently.

This adjustment accommodates for the slightly longer 16340, allowing the tail cap to function as it should.