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Description
Geekworm T208 18650 UPS ( Max 5.1V 8A Output ) and Power Management Expansion Board for NVIDIA Jetson NanoOverview T208 is the upgrade version of T200, supports up to 6 cell 18650 battery, can provide enough power supply for your outdoor scientific research. We no longer use cable connections and use new and more reliable GPIO connections. The T208 is an advanced uninterruptible power supply (UPS) expansion board specially designed for NVIDIA Jetson Nano Developer Kit. It provides Max 5. 1V 8000mA Power Backup for even the most demanding Jetson Nano set
Overview
T208 is the upgrade version of T200, supports up to 6-cell 18650 battery, can provide enough power supply for your outdoor scientific research. We no longer use cable connections and use new and more reliable GPIO connections.
The T208 is an advanced uninterruptible power supply (UPS) expansion board specially designed for NVIDIA Jetson Nano Developer Kit. It provides Max 5.1V 8000mA Power Backup for even the most demanding Jetson Nano set ups, intelligent & safe power management, AC power loss/ power adapter failure detection, auto power-on, full power-off from software, advanced system power path management, i2c & LED fuel-gauge systems, and with 6-cell 18650 battery holder.
WIKI for reference here.
Key Features
- For use with: Jetson Nano
- Operating System: All operating systems
Smart and powerful Uninterruptible Power Supply (UPS)
- Provides continuous operations for up to 10~30hours (depending on battery type and qty used)
- Max 5.1V 8000mA Power Backup for even the most demanding Jetson Nano set ups
- 6-cell 18650 lithium Ion holder
- Can work with 1/2/3/4/5/6 18650 lithium Ion batteries
- Supports 3A fast battery charging
- Integrated battery protection circuit
- Integrated over current protection and over voltage protection
- Integrated Maxim's fuel-gauge systems (Reading battery voltage and percentage via i2c)
- Integrated TI's 10-A fully-integrated synchronous boost converter
- Intelligent automatic charging and discharging
- On-board 4 green LEDs indicate battery charging and discharging levels of 25%, 50% , 75% and 100%
- On-board blue LED show the status of power on/off
Intelligent and safe power management
- On-board push button to control power on /off - Press-ON, Hold the button pressed at least 3s -OFF)
- AC power loss or power adapter failure detection (LED and GPIO indication)
- Automatic powering off after system shutdown using the GUI
- Optional to enable Auto power on when power applied or restored
- Ultra-low standby power consumption of μA to maximize battery life
- Integrated IN-to-SYS pass-through path to pass the input voltage to the system
- Operate in both charge mode and boost mode to allow full system management and battery power management
- Advanced system power path management avoids frequent charging and extend battery life
- Advanced system power path management allows 3A fast charging and powering Jetson Nano at the same time
- Powers the Jetson Nano via the 40-pin header - no additional cabling required
- Power input jack (5.5*2.5mm) and XH2.54 connector convenient for power input
- On-board PH2.0 connector allows to connect external power switch and DIY your perfect case
- On-board XH2.54 power output connectors allow to power other devices
- Mounting holes and standoffs provide mechanical stability of the Jetson Nano and T208 assembly
Specifications
- Power input : 5Vdc ±5%, ≥4A
- UPS output : 5.1V ±5% Max 8A
- UPS charging current: 3A via DC jack
- Terminal Battery Voltage : 4.24V
- Recharge Threshold : 4.1V
Notes
- Do not apply power to your Jetson Nano via the Micro USB socket or power jack.
- Do not use 18650 battery with built-in protection circuit.
Packing List
- 1 x T208 18650 UPS&Power management Board
- 1 x Power & GPIO daughter board
- 1 x Jumper link Pitch 2.54mm
- 1 x Spacer M/F M2.5x12+6 mm
- 4 x Spacer F/F M2.5x22 mm
- 4 x Spacer M/F M2.5x23+6 mm
- 8 x Screw M2.5 x 6mm
Resources
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- Free Standard Shipping on $100+ Orders to the USA.
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- Final sale items are not eligible for returns or exchanges.
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★★★★★ 5
Fast & Easy
These work really good. I have been waxing for over 20 years and I just wanted to try something new. This set comes with two different sizes. I used the large blade for my chin and lip. And the smaller blade for my eyebrows. The handle is sturdy and not flimsy. Comes with a case. I already stuck one of each in my travel bag!
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Reviewed in the United States on October 15, 2025
★★★★★ 4
work well + good value for the pack
Finally got a chance to try these recently. They're exactly like the ones I already had, that I paid a little more for. I think these are a good value and work pretty well - not as well as the better beauty store razors, but better than like dollar tree or something. I like the size of the handle. I consider them disposable, especially if you're using with a hair identifying powder spray or oil.
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Reviewed in the United States on October 29, 2025
★★★★★ 3
A Year of Easy Smoothness
I love that this set comes with 12 razors, giving me a full year of monthly replacements. The handle feels solid and comfortable to hold, and the different sizes are handy for both facial and eyebrow use. They glide smoothly and exfoliate gently without irritating my skin. My only minor complaint is that the blades aren’t as sharp as I expected, so I have to go over an area a few times to remove all the peach fuzz. Still, for the price and convenience, it’s great value for the money and makes skincare feel fresh and polished.
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Reviewed in the United States on October 16, 2025
★★★★★ 5
Love that they come in a plastic container
I prefer this brand of razors because they don’t have the line sections on the blade. They are very sharp! Be careful. I love how sharp it is because I don’t need to do double passing on my face, and I can be as light as a feather with it and know it’ll still work. It did not cause any skin irritation, and was great at removing the dead skin cells off the top layer of my face.
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Reviewed in the United States on October 20, 2025
★★★★★ 5
Terrific!
While less well known than his later biographies of George Washington and Alexander Hamilton, this book stands equal to them. Rather than a biography of a single man this is the biography of a most extraordinary family and their impact on banking and the history of the twentieth century. This is a terrific book and one that I recommend without reservation. Chernow tells a very complex story in the tradition of a great novelist, without sacrificing any of the historical details that define the picture of a family whose story mirrors the triumphs and tragedies of the 20th century.
The book traces the history of the Warburg family from the 16th century to the 1990's, with the emphasis on the 20th century. The story is told through the biographies of many of its members, focusing on the brothers Aby, Max, Paul, Felix and Fritz, their sons and nephews. Individual chapters cover individuals, interwoven and progressing through the 20th century. There is the scholarly eldest brother, Aby, who exchanged his birthright for the promise of being provided all the books he desired (and created one of the world's greatest private libraries), the next eldest brother Max who autocratically ran the familie's Hamburg bank, the next brother Paul who made his mark in the US (providing the banking expertise behind his idea for the US Federal Reserve System), Felix who also made his mark in the US (both as a banker, but even more so as a philanthropist) and on to the youngest Fritz who served in both the Prussian and American Armies, and eventually fought to revive the Warburg position as preeminent Hamburg bankers. The book follows these brothers and their nephew Sigmund who made his mark in the US, in Great Britain (becoming Sir Sigmund) and in Europe after WWII. The book also discusses the sons of these brothers, their wives and other relatives. Fortunately, there are several pages of genealogy charts which help in keeping all the relationships between family member straight and many photographs that help flesh out the many stories that are discussed.
Were the book just about the history of the family members it would have been very good, but it is about much more. The book is about the turmoil of 20th century Germany, about how this family suffered and recovered. It is about family members who were loyal to their adopted homes in the US and Great Britain, but still, before the 1930's, had strong emotional ties to Germany. It tries to explain how some in the family still had warm feeling for Germany, in spite of what happened to them in the 1930's. It is about how Fritz left his comfortable life in the US to return to Germany to reestablish their stolen Hamburg bank, but also to serve as a bridge between Germany and the rest of the post-WWII world. It is about strong men with sons who often failed to live up to their high expectations. It is about loyalty, deceit, struggle, success and failure. It is a cautionary tail about the evolution of 20th century politics and war, as well as about banking. In short this is a terrific book.
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Reviewed in the United States on March 6, 2012