Pack of 2 solar panel voltage stabilizer USB adapters designed to make solar charging more reliable for phones and USBpowered equipment. These inline cable adaptors regulate fluctuating input from solar panels so devices receive a steadier charging supply. Key benefits Stabilizes fluctuating solar output to provide a more consistent USB charging supply Enables safer, more reliable charging of phones, power banks, and other USB devices from solar panels Simple inline cable adaptor format fits between a solar panel output or battery charger and the device Twopiece set provides a spare or allows simultaneous use on multiple charging lines Compact and portable for use in mobile or temporary setups What it does Acts as a voltage regulator and stabilizer for solar panel to USB device connections Helps reduce charging interruptions caused by variable sunlight and panel voltage changes Converts panel output to a suitable, steady USB charging feed for compatible equipment Compatibility and function Intended for use with USBpowered devices including phones, tablets, power banks, and USB battery chargers Works as part of solar charging kits and with telephone equipment that accepts USB charging input Designed to be inserted inline between a panel or solar charger output and the device cable or connector Key attributes Quantity: 2 pieces per pack for added flexibility Form factor: inline cable adaptor for easy integration into existing charging setups Performance: provides voltage stabilization to improve charging consistency in variable solar conditions Installation: plug and play inline connection, no special tools required Portability: compact and lightweight for field, travel, or temporary installations Practical use scenarios Camping and outdoor use: connect a small portable solar panel to a phone or power bank to maintain a steadier charge when sunlight varies Emergency power and backup: add to a home or vehicle solar charging kit to improve reliability during power interruptions Offgrid or remote workstations: stabilize solar charging lines for communication devices and USBpowered tools in remote setups What to expect A straightforward accessory designed to improve the stability of solar to USB charging connections Two identical inline adapters for immediate use or as backups in a multidevice setup Compatibility note Use with solar panels and charging kits that provide an appropriate input for USB charging. Ensure connectors match the device and panel being used.