Model 
The V50 USB Battery Pack features 12,800mAh and is the ideal portable power bank for smartphones, cameras, tablets, and other USB electronics as well as IoT devices and microcontrollers.
- Optimized to Charge from Solar
- Pass Through Charging
- 2X USB-A Ports 1X USB-C PD
- Standard Always On Feature for IoT and Time-Lapse Projects
- 11.4 x 7.8 x 2.6 cm
- 272 grams
- Capacity: 12,800mAh, 47 Watt Hours
- USB-A Output (2 Always On ports): 5V/2A, 3A max. Use side port for charging if using Always On mode.
- USB-C Input Solar (Both USB-C ports): 5-6V/2A
- USB-C PD Input / Output (Top USB-C port): 5V/4A, 9V/2.2A, 12V/1.6A
- Minimum Charge Current: 5mA (indicators turn on at 60mA)
- Maximum Power Point (MPP): 5.2V
- Battery Type: Li-Ion
- Protection: Short circuit over charge, over discharge, over temperature (45℃ Input Cutoff, 60℃ Output Cutoff), under temperature (0℃ Input Cutoff, -15℃ Output Cutoff)
- Safe for air travel (Carry-on Luggage Only)
- V50 USB Battery Pack
- USB - USBC Charging Cable
- UN 38.3
- IEC 62133
- CE
- FCC
Battery features updated Always On technology on the 2X USB-A ports. The output will not shut off even if your device is drawing low or no power. There is no low current cutoff.
To stop charging your device, double tap the Power Level Button or disconnect from the battery. To resume charging, tap the Power Level Button once.
Battery recovers into Always On mode after discharge, over-temperature and under-temperature events. Power consumption in Always On mode is approximately 7mA (26mW).
Always On is not active when charging from the USBC-PD input port on the top of the battery. Always On output is active when there is no input or when charging from the input port on the side of the battery.
The V50 USB Battery Pack features 12,800mAh and is the ideal portable power bank for smartphones, cameras, tablets, and other USB electronics as well as IoT devices and microcontrollers.
- Optimized to Charge from Solar
- Pass Through Charging
- 2X USB-A Ports 1X USB-C PD
- Standard Always On Feature for IoT and Time-Lapse Projects
- 11.4 x 7.8 x 2.6 cm
- 272 grams
- Capacity: 12,800mAh, 47 Watt Hours
- USB-A Output (2 Always On ports): 5V/2A, 3A max. Use side port for charging if using Always On mode.
- USB-C Input Solar (Both USB-C ports): 5-6V/2A
- USB-C PD Input / Output (Top USB-C port): 5V/4A, 9V/2.2A, 12V/1.6A
- Minimum Charge Current: 5mA (indicators turn on at 60mA)
- Maximum Power Point (MPP): 5.2V
- Battery Type: Li-Ion
- Protection: Short circuit over charge, over discharge, over temperature (45℃ Input Cutoff, 60℃ Output Cutoff), under temperature (0℃ Input Cutoff, -15℃ Output Cutoff)
- Safe for air travel (Carry-on Luggage Only)
- V50 USB Battery Pack
- USB - USBC Charging Cable
- UN 38.3
- IEC 62133
- CE
- FCC
Battery features updated Always On technology on the 2X USB-A ports. The output will not shut off even if your device is drawing low or no power. There is no low current cutoff.
To stop charging your device, double tap the Power Level Button or disconnect from the battery. To resume charging, tap the Power Level Button once.
Battery recovers into Always On mode after discharge, over-temperature and under-temperature events. Power consumption in Always On mode is approximately 7mA (26mW).
Always On is not active when charging from the USBC-PD input port on the top of the battery. Always On output is active when there is no input or when charging from the input port on the side of the battery.
Device Charge Times
 |
 |
 |
 |
|
|
|---|---|---|---|---|---|
| Device | V50 Battery | Smartphones | DSLR Cameras | 7” Tablets | 12” Tablets |
| Number of Charges from Battery | - | 3.6 | 3.2 | 2.0 | 1.0 |
| Hours to Charge from Solar Panel* | 5.0 | 2.0 | 2.3 | 3.3 | 7.7 |
*Solar charge times based on use with the 10 Watt Solar Panel.
Battery can be recharged from a 6V solar panel or any USB or USB-C port.
Compatibility
Smartphones:
Charges all USB Devices including all Apple and Android smartphones.
Tablets:
Charges all tablets that are powered by USB including Apple iPads and Samsung Tablets. Will not charge tablets that charge at 12 or 16 Volts.
Digital Cameras:
Charges both DSLRs and cameras that charge from USB. For DSLRs, an optional camera charger cradle that matches your camera battery is required. Read our tutorial on solar camera charging.
Microcontrollers:
Compatible with USB powered microcontrollers including Arduino, Raspberry Pi and more.
11 Reviews
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V50 usb battery pack
Posted by Graham O'NeillWorks well as specified. The build quality is very good.
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Battery
Long lasting
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V50
Posted by TomNew batch of this battery performed well, charged quickly and actually stopped charging once the protection circuit detected
full capacity. Previous two v50 purched in 1019 fall has quality issues, one did not charge after it was totally discharged. 2nd v50 still works. Overall the batteries performed well for low power iot remote sensing. -
Outstanding battery
Posted by Francine SparksThe battery is solid, well made and a good size for taking with me. Love the dual USB ports. I have paired it with the 9 volt solar panel, to which I added magnets. That way I can leave the Solar panel on roof of car, with battery inside car. It is so nice to come back to a fully charged battery. Feel that all Voltaic products are tops and customer service excellent as well.
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V50
Excellent battery that’s compatible with usb solar panels. Solar panels used are voltaic and renogy.
