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T208
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[[File:T208-IMG-85968815.jpg|thumb|right|T208 Jetson nano UPS HAT 5V 8A]]
[[File:T208-IMG-8595.jpg|thumb|right|T208 Jetson nano UPS HAT 5V 8A]]
[[File:T208-IMG-8580Interface.jpg|thumb|right|T208 V2.0 Jetson nano UPS HAT 5V 8A]][[File:T208-IMG-8583function1.png|thumb|right|T208 V1.1 / V1.2 Jetson nano UPS HAT 5V 8A]][[File:T208-accefunction3.jpgpng|thumb|right|T208 V1.1 / V1.2 Jetson nano UPS HAT 5V 8A]][[File:T208-IMG-8583.jpg|thumb|right|T208 V2.0 Packing List]][[File:T208-IMG-8583-PackingList.jpg|thumb|right|T208 Packing List]][[File:T208-Pin schematic picture.jpg|thumb|right|T208-Pin schematic picture.jpg]][[File:T208-PCB.png|thumb|right|T208 PCB Size]]
==Overview==
T208 is the upgrade version of T200, supports upto 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 poweroff from software, advanced system power path management, i2c & LED fuel-gauge systems, and with 6-cell 18650 battery holder.
==NEWUpdate History=={| class="wikitable"==T208 V2.0==='''On July 15th 2022, T208 is updated to T208 V2.0:'''! FOR USE WITH !! Jetson Nano|* Improved power-path management avoids batteries discharging when power adapter connected| OPERATING SYSTEM || All operating systems|* Improved Auto power-on reliability| KEY FEATURES || "Smart and powerful Uninterruptible Power Supply * Adds jumper selection (UPS'''FON'''， Force ON)|to disable auto power-off when Jetson Nano is not detected (see note1)| Provides continuous operations * Removed jumper secleciton for up to 10~30hours '''PLD''' (depending on battery type and qty usedPower loss detection), '''PLD''' is always enabled|-| 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 * Adds battery Reverse polarity protection circuit& LED indiciators|-| Integrated over current protection and over voltage protection|-| Integrated MaximNote1: If '''FON'''s fuel-gauge systems is enabled (Reading battery voltage and percentage via i2cjumper inserted)|-| 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/T208 cannot turn off automatically when Jetson Nano is turned off|-| Intelligent and safe power management===T208 V1.2===|-| '''On-board push button to control power on /off - Press-ONAugest 10th 2021, 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 T208 V1.2 is updated to enable Auto power on when power applied or restoredadded input surge protection circuit.'''|-| Ultra-low standby power consumption of μA to maximize battery life==SAFETY INSTRUCTIONS AND WARNINGS==|-* <span style="color:red;">You must read these safety instructions and warnings before charging your batteries. | Integrated IN* <span style="color:red;">Lithium Polymer and Li-ion batteries are volatile. Failure to-SYS pass-through path to pass read and follow the input voltage to the system|-| Operate below instructions may result in both charge mode fire, personal injury and boost mode damage to allow full system management and battery power managementproperty if charged or used improperly. |-| Advanced system power path management avoids frequent * <span style="color:red;">Never make wrong polarity connection when charging and extend discharging 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 (5packs.5*2.5mm) and XH2.54 Always double check polarity of battery's connector convenient for power input|-| On-board PH2.0 connector allows to connect external power switch make sure "+" to "+" and DIY your perfect case|"-| On" to "-board XH2".54 power output connectors allow to power other devices |-| Mounting holes * <span style="color:red;">Do not mix and standoffs provide mechanical stability of the Jetson Nano use old batteries and T208 assemblynew batteries, or batteries with different brand names. |-| * <span style="|-| SPECIFICATIONS || color:red;"Power input?: 5Vdc ±5%>Lithium batteries has it's cycle life, please replace old battery with new one when it reaches it's service life or when it is two year old, ≥4Awhichever comes first. |-| UPS output?* <span style="color: 5.1V ±5% Max 8A|-| UPS red;">When charging current: 2A via Micro-USB socketBattery Pack, 3A via DC jack|-| Terminal Battery Voltage?: 4please put battery in a fire proof container.24V|-| Recharge Threshold?: 4Please don't leave the T208 on the wood material or carpet and unattended.1V |-| * <span style="|-| NOTES || color:red;"Do not apply power to your Jetson Nano via >Must keep the Micro USB socket or power jackT208 away from children.|-| Do not use *Please watch Main Video and Tutorial Video regarding 18650 battery with built-in protection circuit|-| "batteries at: https://www.staysafebattery.com/en/|}
==Features==
{| class="wikitable"
* 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(blue LED for T208 V1.2 and previous version, green LED for T208 V2.0)
'''Intelligent and safe power management'''
* 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(please enable the AUTO ON on jetson nano board if you want to use the AUTO ON of T208)
* 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
* Power input : 5Vdc ±5%, ≥4A
* UPS output : 5.1V ±5% Max 8A
* UPS charging current: 2A via Micro-USB socket, 3A via DC jack
* Terminal Battery Voltage : 4.24V
* Recharge Threshold : 4.1V
* 1 x Power & GPIO daughter board
* 1 x Jumper link Pitch 2.54mm
* 1 2 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
==User Manual==
[http://www.suptronics.com/T[T208-series/Software]] [[T208-softwarehardware]] ==FAQ=='''Q1: Can I turn ON and use a jetson nano power by the T208 while the T208 is charging?''' A: Yes, OK, the T208 is support charging while discharing.html '''Q2: Is there any possibility to change the I2C address of the T208-Software]?''' A: Sorry, no, not support to change the I2C address of the T208. '''Q3: What battery is recommended for X708?'''
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