Solar Battery Charger, Type U Monocrystalline 5.3W (BLACK)

Continuous Power Supply: This solar charger is compatible with Ring Video Doorbell 4, 3, 3 Plus, and 2 via a U-shaped interface, replacing the original cable to provide continuous charging. Once installed, it eliminates the need to frequently remove and recharge the battery, keeping your doorbell operational year-round. Efficient Energy Conversion: The solar panel uses monocrystalline silicon cells for high light-to-electricity conversion. With a 5.3W output and a 5V operating voltage, it supports the doorbell's 3V to 5V battery charging needs, maintaining daily energy balance even in low-light conditions. Flexible Placement with a Long Cable: A 3-meter charging cable allows you to position the solar panel on a windowsill, wall, or roof where sunlight is strongest. Your doorbell can remain in a shaded area while the panel collects energy from direct sunlight. offering the best of both worlds. Weatherproof outdoor use: The solar panel and its cable are designed to withstand dust and water exposure, making them suitable for long-term outdoor installation. They resist rain, sun, and seasonal changes, ensuring your doorbell stays powered and ready at all times. Effortless installation: Say goodbye to frequent disassembly for charging thanks to the U-shaped interface that fits precisely onto your video doorbell for worry-free power all year round.