The TAU 2 is a lifesaver for people who are always on the go. It is convenient, portable, and easy to use. It is the perfect solution for people who need to keep their smartphones charged throughout the day.
The Rolling Square TAU 2 is a new kind of keyring portable charger. It is the smallest and lightest keyring portable charger on the market, and it has a battery capacity of 2000mAh. The TAU 2 is also compatible with most smartphones and other mobile devices that use a Lightning, Micro-USB, or USB-C cable.
History of Portable Chargers
The history of portable chargers can be traced back to the early 1900s, when the first battery-powered radios were invented. These radios were typically powered by lead-acid batteries, which were heavy and bulky. In the 1950s, nickel-cadmium batteries were invented, which were much lighter and smaller than lead-acid batteries. This allowed for the development of more portable electronic devices, such as transistor radios and tape recorders. In the 1970s, the first portable chargers were developed for these devices. These chargers were typically powered by nickel-cadmium batteries, and they were often bulky and expensive. In the 1980s, lithium-ion batteries were invented, which were much lighter and smaller than nickel-cadmium batteries. This allowed for the development of even more portable chargers and electronic devices. In the 2000s, portable chargers became even more popular as the use of smartphones and other high-powered mobile devices increased. These chargers were typically powered by lithium-ion batteries, and they were designed to provide enough power to fully charge a smartphone or other high-powered mobile device. In the recent years, portable chargers have became even more sophisticated and powerful. These were designed to provide enough power to fully charge multiple smartphones or other high-powered mobile devices at the same time.
TAU 2 – Portable Power Bank Charger
The Rolling Square TAU 2 is the smallest and lightest keyring portable charger on the market. It is compatible with most smartphones and other mobile devices that use a Lightning, Micro-USB, or USB-C cable. The TAU 2 has a battery capacity of 1,600mAh, which is enough to give most smartphones a partial charge.
Features of the Rolling Square TAU 2:
- Smallest and lightest keyring portable charger on the market
- Battery capacity of 1,600mAh
- Compatible with most smartphones and other mobile devices that use a Lightning, Micro-USB, or USB-C cable
- Built-in magnetic charging dock
- NFC Digital Business Card
- Keychain loop with Hook & Release system’
TAU 2 & Leading Keyring Portable Chargers
There are many different brands and models of keyring portable chargers on the market today. Some of the most popular brands and models include:
- Anker PowerCore Keyring Portable Charger: The Anker PowerCore Keyring Portable Charger is a small and lightweight keyring portable charger with a battery capacity of 2,200mAh. It is compatible with most smartphones and other mobile devices that use a Lightning or USB-C cable.
- PowerPack Nano Portable Keyring Charger: The PowerPack Nano Portable Keyring Charger is an even smaller and lighter keyring portable charger with a battery capacity of 2,000mAh. It is also compatible with most smartphones and other mobile devices that use a Lightning or USB-C cable.
- TAU 3in1 Emergency Keyring Power Bank: The TAU 3in1 Emergency Keyring Power Bank is a small and lightweight keyring portable charger with a battery capacity of 1,600mAh. It is also compatible with most smartphones and other mobile devices that use a Lightning, Micro-USB, or USB-C cable.
- Aukey PB-N13 Power Bank: The Aukey PB-N13 Power Bank is a slightly larger and heavier keyring portable charger with a battery capacity of 3,350mAh. It is also compatible with most smartphones and other mobile devices that use a Lightning, Micro-USB, or USB-C cable.
- Zendure SuperMini: The Zendure SuperMini is a small and lightweight keyring portable charger with a battery capacity of 2,500mAh. It is also compatible with most smartphones and other mobile devices that use a Lightning or USB-C cable.
| Feature | Rolling Square TAU 2 | Anker PowerCore Keyring Portable Charger | PowerPack Nano Portable Keyring Charger |
|---|---|---|---|
| Size and weight | Smallest and lightest keyring portable charger on the market | Slightly larger and heavier than the TAU 2 | Even smaller and lighter than the TAU 2 |
| Battery capacity | 2,000mAh | 2,200mAh | 2,000mAh |
| Compatibility | Compatible with most smartphones and other mobile devices that use a Lightning, Micro-USB, or USB-C cable | Compatible with most smartphones and other mobile devices that use a Lightning or USB-C cable | Compatible with most smartphones and other mobile devices that use a Lightning or USB-C cable |
| Price | $29 USD | $24.99 USD | $29.99 USD |
Advantages and Disadvantages of Keyring Portable Charger
Advantages:
- Convenience: Keyring portable chargers are extremely convenient, as they can be attached to your keychain and carried with you wherever you go. This means that you’ll never have to worry about running out of power again, even if you’re away from an outlet all day.
- Portability: Keyring portable chargers are very small and lightweight, making them easy to carry around with you. This is especially important if you’re traveling or are always on the go.
- Affordability: Keyring portable chargers are very affordable, making them a great value for the money.
- Ease of use: Keyring portable chargers are very easy to use. Simply plug the charger into your mobile device and it will start charging automatically.
Disadvantages:
- Limited battery capacity: Keyring portable chargers have limited battery capacity, so they may not be able to fully charge your mobile device if you have a large battery.
- Durability: Some keyring portable chargers are not very durable, so they may not last long if you are not careful with them.
- Safety: Some keyring portable chargers may not be safe, so it is important to purchase a charger from a reputable brand.
TAU 2: Final Thoughts
The Rolling Square TAU 2 is a great option for those looking for a small, lightweight, and versatile keyring portable charger. It is easy to use and compatible with most smartphones and other mobile devices. However, it is important to note that the TAU 2 has a relatively small battery capacity, so it may not be able to fully charge your mobile device if you have a large battery. The TAU 2 is currently in the crowdfunding stage on Kickstarter, and it is expected to ship in December 2023. The TAU 2 is available for pre-order for $29 USD.
Which keyring portable charger is right for you will depend on your individual needs and preferences. If you’re looking for the smallest and lightest keyring portable charger on the market, then the Rolling Square TAU 2 is a great option. If you’re looking for a keyring portable charger with a higher battery capacity, then the Anker PowerCore Keyring Portable Charger or the PowerPack Nano Portable Keyring Charger may be a better option for you.
Similar Stories:
- SHINE: A PORTABLE WIND TURBINE THAT CAN CHARGE YOUR DEVICES
- WHY DOES TESLA WIRELESS CHARGING PLATFORM COST $300?
- MOPHIE VS BELKIN VS RAVPOWER VS ANKER: WHICH IS THE BEST WIRELESS CHARGER?
- PI IS WORLD’S FIRST CONTACTLESS WIRELESS CHARGER
- SOLARCRU IS A SMALL FOLDABLE SOLAR PANEL CHARGER
Source: Kickstarter
I am officially a tech addict and enjoy providing my views on matters related to this industry. I am always interested in trying out new tech gadgets and I have owned multiple smartphones including the legendary HTC One, SGS2, Nexus 4, iPhone 4, 5S, 6S, XR, Note 9. You can ask me any tech related questions in the comment section or on twitter @hookedNav