Hello.
This is my first time posting. I am very new to any form of working with basic electrics and lights. I am doing a home project and need to connect two 10m led fairy lights also called dew drop lights together to make 20m. They are battery operated, and a single battery holder has three AA batteries producing 4.5V. The lights run in a parallel and the LED lights are diodes. I connected the two 10m together by cutting and soldering. The lights are very dim, so i added a 9v battery. The lights are bright for the first 5 meters, but as the string continues the lights get dimmer and dimmer, and after 20 minutes the 9v drops down to 2.4 volts and eventually all the lights go off. I don't understand why they start bright and get dimmer, and also why the battery drops the voltage so dramatically at such a fast rate. why is it doing it and is there a way to extend the 10m with an additional 10m to create a 20m while running off batteries that produce no higher than 9 volts.
Also the lights seem to run best when each light receives between 3 to 4 volts.
This is my first time posting. I am very new to any form of working with basic electrics and lights. I am doing a home project and need to connect two 10m led fairy lights also called dew drop lights together to make 20m. They are battery operated, and a single battery holder has three AA batteries producing 4.5V. The lights run in a parallel and the LED lights are diodes. I connected the two 10m together by cutting and soldering. The lights are very dim, so i added a 9v battery. The lights are bright for the first 5 meters, but as the string continues the lights get dimmer and dimmer, and after 20 minutes the 9v drops down to 2.4 volts and eventually all the lights go off. I don't understand why they start bright and get dimmer, and also why the battery drops the voltage so dramatically at such a fast rate. why is it doing it and is there a way to extend the 10m with an additional 10m to create a 20m while running off batteries that produce no higher than 9 volts.
Also the lights seem to run best when each light receives between 3 to 4 volts.