Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 111 reviews
Sort
Product Reviews
★★★★★ 4
Great for keeping bank statements clean but random security delays are frustrating
Reload type: One Time Reload
I use the balance reload tool to manage my monthly budget and easily hit credit card sign-up bonuses. It keeps my bank statements totally clean by grouping dozens of tiny e-book and movie rental charges into one single transaction. Most of the time the whole process works flawlessly and the money shows up in my account within five minutes. It is honestly the easiest way to put a hard limit on my family's everyday online shopping.
You just need to watch out for a few annoying system quirks when you load larger amounts of money. Even though it usually works instantly the automated security filter sometimes flags big reloads and freezes the transaction for hours. This random delay is incredibly frustrating if you are trying to add cash fast to catch a lightning deal before it expires. You also have to remember that this balance is strictly non-refundable and cannot be used to buy other gift cards.
Overall this is still a great method for organizing online spending and maximizing your cash-back credit card rewards. It totally fixed how I track household purchases but you definitely have to tolerate the occasional processing delays. My best advice is to load your account a day or two before you actually need to buy a big-ticket item. It works perfectly as a budgeting tool as long as you know the rules and plan for the random security hold.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
★★★★★ 5
Great for Budgeting – Instant Balance and Easy to Use
Reload type: One Time Reload
I use Amazon’s gift card reload feature to plan my spending. It’s perfect when I know I want to make a purchase but prefer to set the funds aside first.
I love that it’s immediate—no worries about pending charges or accidental spending from my card. It gives me peace of mind knowing that when I’m ready to buy, the balance is just sitting there, waiting.
Pros: easy to use, instant balance update, helps with budgeting and avoiding overspending
Cons: funds are locked into Amazon once reloaded, doesn’t count toward certain account requirements like review eligibility
Overall, it’s a convenient and reliable way to manage spending on Amazon, especially if you like having control over your purchases.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
★★★★★ 5
Aussie Approved
Size: Large, Color: Blue
I got a knock off one of these originally and man I should have just stuck with the real thing. My dog destroyed the other one in about 4 seconds. My dog loves this one and has not been able to tear it up, he prefers to just push it around after he gets all the treat out of it which is hilarious to watch. The quality is amazing and it is so easy to clean without leaving a smelly odor on it. It fits in my freezer perfectly and also is soft but firm so I do not have to worry about my dog hurting his teeth. For reference I have an Aussie and I got the large one which is perfect for his size (60lbs). My pet prefers this one over the last one for sure since this one actually keeps him entertained.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 13, 2026
★★★★★ 5
Awesome enrichment toy!
Size: Large, Color: Green, Size: Large, Color: Green
These are awesome! My dogs love them and keep them occupied for 30-60 mins so I can make and enjoy my coffee in peace before work. They are very easy to clean, but as others have mentioned, they can get stuck. I had to take a pliers to get one of them unscrewed. Hopefully that’s not a constant issue. I do wish they were more durable since there were a lot of teeth marks in them after the first use, so I upgraded to the black super chewer one. I’m happy I gave these a try and feel they are worth the money, especially for high energy dogs who get bored easily.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
★★★★★ 5
Best toy/treat! (Use oil on inner screw to open)
Size: Large, Color: Green
My dogs love these! This gives them a dedicated 20-40min of dog joy. They often get up halfway thru and switch but whatever makes them happy. They do get STUCK! And can be impossible to open. I now use a dot of olive oil on each level of the screw and then twist it in and out a couple times to distribute the lube so its possible to open when they are done. I find it very important to collect them immediately when they are done and open back up for cleaning. Do not let them dry as it will be very difficult to open.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026