3W Solar Panel with Built-in 4000mAh Battery, IP65, 13.2ft Charging Cable, only Compatible with Ring Video doorbell 3/4/3 Plus,Ring Battery Doorbell Plus/Pro Camera, Simple Installation

• 1. 【Compatibility】This product only works with select Ring doorbells with a fork-style power connector, including: Ring Video Doorbell 3, Video Doorbell 3 Plus, Video Doorbell 4, Battery Doorbell Plus, Battery Doorbell Pro. Do not compatible with Video Doorbell 2 and All-new Ring Battery Doorbell (2024 release), or other Ring doorbells with a micro-USB connector, doorbell Wire,video doorbell Pro.
• 2. 【Built-in Rechargeable Battery】This solar panel has a built-in 4000mAh rechargeable battery, even in cloudy and rainy weather without the sun, you don't have to worry about not being able to charge it, the built-in battery can supply power to your device to ensure that your camera is constantly on the power supply; the use of high-quality battery core, power lasting, longer service life;
• 3. 【Built-in Voltage Regulator】This solar panel has built-in PCB intelligent protection circuit with multiple protection: over-voltage, over-current, over-charging, over-discharge, short-circuit, anti-reverse and other multiple protection;
• 5. 【Product Parameters】 The power of this solar panel is 3W, built-in 4000mAh rechargeable battery; UL2464 certified charging cable, 13.2 feet (4 metres) long, with an output voltage of 5V, waterproof rating of IP65, with an ETFE protective film on the surface, with a conversion efficiency of more than 23%, and Fork-Style charging interface;