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The Voltaic V75 USB Battery Pack delivers high-capacity, solar-optimised power with always on output, USB-C PD, and pass-through charging.
The Voltaic V75 USB Battery Pack is a high-capacity 20,100mAh (72Wh) USB battery pack designed for reliable solar charging and continuous power applications.
It features dual USB-A ports with always on technology for low-power devices, alongside a USB-C PD port for fast input and output.
Pass-through charging enables simultaneous charging and discharging, while its solar input support and durable design make it well suited to IoT deployments, time-lapse cameras, and remote monitoring projects.
Can be recharged from a 6V solar panel or any USB/USB-C port.
Lithium Battery Shipping: Due to courier restrictions, this product can only be shipped within England/Wales. With this item in your cart, your shipping options will be limited to DHL. Why?
Battery features updated Always On technology on the 2X USB-A ports. The USB-C PD port should not be used for power output or input when using Always On. There is no low current cut-off.
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).
| Device | V75 Battery | Smartphones | DSLR Cameras | 7” Tablets | 12” Tablets |
| Number of Charges from Battery | - | 5.4 | 4.8 | 3.0 | 1.5 |
| Hours to Charge from Solar Panel* | 9.0 | 2.0 | 2.3 | 3.3 | 7.7 |
*Solar charge times based on use with the 5 Watt Solar Panel.



















