Great question, @Ringdoorbell2! The Solar Panel will certainly provide an adequate charge to your Doorbell as long as it gets several hours of direct sunlight per day. The usage of your Doorbell and other factors that can drain your battery, will determine the effectiveness of any charge applied. The Solar Panel will provide a charge, but the need to recharge your battery manually will vary based on use, environments, and other variables. Check out our [Community article](https://community.ring.com/t/device-tips-battery-draining-quickly/305) about battery drain for some great tips on fine tuning this! :)