
The Wurkkos 21700 battery is a popular choice among outdoor enthusiasts. It has a capacity of 5000mAh and weighs only 80g.
In this section, we'll be comparing and reviewing the Wurkkos 21700 battery, highlighting its key features and performance. We'll also discuss its compatibility with various devices.
The Wurkkos 21700 battery is designed to be compact and lightweight, making it easy to carry on long hikes or camping trips. Its small size belies its impressive capacity.
We'll be drawing on our own experience with the Wurkkos 21700 battery, as well as data from the manufacturer's specifications.
Product Comparison
The Wurkkos 21700 battery is a popular choice among vapers, and for good reason. It has a high capacity of 5100mAh.
In terms of discharge, the Wurkkos 21700 battery has a high rate of 30A, making it suitable for high-power devices. This is particularly useful for users who need a reliable battery for their mod or vape pen.
One key advantage of the Wurkkos 21700 battery is its compact size, making it easy to carry around.
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Lbf LiIon 18650 Batteries
The LBF LiIon 18650 batteries are a type of rechargeable battery with a button top design and built-in protection circuit.
They have a charging and discharging powerbank function, making them a convenient option for users who need a reliable power source on the go.
These batteries are designed to be compact and lightweight, with a 18650 size that's easy to fit into most devices.
The LBF LiIon 18650 batteries have a high capacity, allowing them to provide a long-lasting power source for your devices.
Xtar R30 1200 Flashlight
The Xtar R30 1200 Flashlight is a reliable option for those looking for a well-built flashlight. It's powered by a 21700 battery, which is a great feature.
This flashlight is easy to use, making it perfect for everyday carry. It also has a powerbank function, which is a convenient feature for charging small devices on the go.
The Xtar R30 1200 can be charged via USB-C, which is a fast and efficient way to recharge your flashlight.
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Build and Quality
The build quality of the Wurkkos 21700 battery is quite alright, especially considering the price. It's comfortable in the hand, and the knurling makes the surface non-slippery.
The tailcap doesn't come with a magnet from the factory, but Wurkkos sells a separate tailcap with a magnet that can replace the original one.
The flashlight uses a CREE XHP50.2 LED, which is a good choice for its brightness and efficiency.
The build quality is solid, with a one-piece tube that doesn't use a signal tube for the e-switch, eliminating a potential failure point.
Build
The build quality of the Wurkkos WK15 is quite alright, especially considering its price range. I'm totally satisfied with it.
It's comfortable to hold in your hand, thanks to the knurling on the surface that prevents it from slipping.
The tailcap doesn't come with a magnet from the factory, but you can buy a separate magnet-equipped tailcap from Wurkkos.
Package Quality
The Wurkkos TD01C comes in a sturdy cardboard box with a nice white wrapping and a magnetic closure flap. This is a well-designed package that protects the contents during shipping.

Inside the box, you'll find a light in cut foam and some accessories. The list of included items is impressive, and it's great to see that everything you need is right there.
Here's a breakdown of what you can expect to find in the box:
- Wurkkos TD01C
- Wurkkos-branded 5000 mAh 21700 li-ion battery
- USB C charging cable
- Lanyard
- User manual
- Setup card
- 2 o-rings
The battery comes pre-charged, but it's a good idea to fully charge it to get the most runtime and output.
Specifications
The Wurkkos TD01C is a powerhouse of a flashlight, and it's worth taking a closer look at its specifications. The flashlight category is General Purpose/Tactical Thrower, making it suitable for a variety of tasks.
This flashlight boasts a Luminus SFT-40-W LED, which is a high-quality option for producing a lot of light. The max output is a whopping 1800 lumens, which is impressive.
The beam distance is 1,000 meters, which is more than enough for most outdoor activities. The max beam intensity is 270,000 cd, which is a measure of how bright the light is at its peak.
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The Wurkkos TD01C uses a single 21700 battery, which is a common configuration for many flashlights. You can charge the battery using the onboard USB C charging port.
The flashlight has five main modes, which is a good number for versatility. You also get a strobe and S.O.S Beacon feature, which can be useful in emergency situations.
The Wurkkos TD01C is waterproof, with an IPX8 rating, which means it can withstand being submerged in water.
Performance
The performance of the Wurkkos TD01C is quite impressive, especially considering its price point of $40. The light delivers a solid 2 minutes of 1000 Lumens from Turbo mode, with 700 sustained Lumens.
In Turbo mode, the light can produce 1000 Lumens for 2 minutes, with 700 Lumens sustained after that. This is a great performance for a flashlight in this price range.
The Wurkkos TD01C also features a buck driver that holds higher output longer, which is always preferable to a longer runtime. This is a notable advantage over other flashlights.
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The light has a step-down feature that kicks in as the Low Voltage Protection (LVP) is triggered, with shutdown occurring at predictable intervals. This means that the light will gradually decrease its brightness before shutting off completely.
Here's a summary of the runtime performance of the Wurkkos TD01C:
The light's battery was discharged to 2.9 to 3 volts, indicating a conservative approach to battery management. This is a good sign, as it suggests that the light is designed to last as long as possible on a single charge.
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Pros and Cons
The 21700 battery Wurkkos has its strengths. Very good build quality, fit and finish is one of its notable advantages.
The handling of this battery is also great, making it a pleasure to use. It's clear that the manufacturer has put thought into designing a product that is both functional and enjoyable.
One feature that stands out is the fully regulated output, which ensures consistent performance. Onboard USB type C charging is also a convenient feature, making it easy to top up the battery on the go.
Pros

The device has very good build quality and a great fit and finish. This means it's sturdy and well-made, which is a big plus.
One of the standout features is its great handling. It's easy to use and navigate, making it a joy to operate.
The device's output is fully regulated, which is a technical term that means it's stable and consistent. This is a big deal for people who rely on it for specific tasks.
It also comes with onboard USB type C charging, which is a convenient feature that allows you to charge the device on the go. This is a game-changer for people who are always on the move.
The user interface is also very useful, making it easy to access the features and settings you need. It's intuitive and easy to understand, even for those who aren't tech-savvy.
And the best part? It's very affordable, making it a great value for the price.
Cons

The Wurkkos TD01C has some notable cons.
The reviewer mentions that the TD01C didn't meet output specs, which is a significant defect.
The low performance is a major drawback, but the reviewer thinks it's still usable.
The reviewer also questions the durability of the TD01C, which is a concern for a tactical flashlight.
The untested durability is a significant issue, but the reviewer still recommends the TD01C for its other features.
The reviewer thinks the TD01C is a good budget alternative, but it's not highly recommended due to its low performance.
Frequently Asked Questions
What is the most powerful 21700 battery?
The most powerful 21700 battery is the Molicel P45B, known for its high capacity and low internal resistance. This makes it ideal for high-drain applications and allows it to handle very high currents while staying cool.
Is a 21700 battery better than 18650?
A 21700 battery generally offers more power and longer burn time than a 18650 battery, making it a better choice for devices that require high performance. This is due to its higher capacity, which can reach up to 1400 watts compared to the 18650's 800 watts.
What is the lifespan of a 21700 battery?
A 21700 battery typically lasts between 500 to 1000 charge cycles, depending on its chemistry, usage, and maintenance. Learn more about factors affecting the lifespan of your 21700 battery.
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