Sewer inspection cameras, like the S810ADSMKT, are essential tools for professionals working in plumbing, maintenance, and underground diagnostics. Built to perform in demanding environments, these cameras provide real-time visuals inside pipes and drainage systems—helping technicians identify blockages, damage, and other issues quickly and accurately.

However, a frequent question we hear from plumbers is this: “Why is the ‘Low Battery’ red light always on, even when the plumbing camera is fully charged?”

Let’s set the record straight. The ‘Low Battery’ red light on the S810ADSMKT sewer camera does NOT mean the battery is low. In this blog, we’ll break down what the ‘Low Battery’ red light really means, how to correctly interpret battery status, and what to do when the ‘Low Battery’ red light begins flashing.

🔋 The Basics of the S810ADSMKT Sewer Camera 'Low Battery' Red Light

The S810ADSMKT sewer camera comes equipped with a smart power indicator system, designed to give plumbers a quick visual signal of the drain camera’s power state. It uses a red LED light, which can be seen clearly even in dark work environments.

This ‘Low Battery’ red light has two different modes:

● Solid ‘Low Battery’ Red Light (Constant Glow)

→ This simply means the sewer camera is powered on and operating normally.

● Flashing ‘Low Battery’ Red Light

→ This means the battery is running low and will need to be recharged soon

⭕The confusion often comes from assuming that any ‘Low Battery’ red light indicates danger or low battery, which is not the case with the S810ADSMKT model.

🚨 Common Misunderstanding: "Red Means Low Power"

It’s easy to misinterpret the red light—especially if you’ve used other electronic tools that turn red when they’re low on battery. But in this S810ADSMKT sewer camera, the ‘Low Battery’ red light doesn’t work that way.

Let’s make this clear:

This sewer line camera was intentionally designed to avoid using green, blue, or white lights, as red is the most visible and easily recognizable color under field conditions.

🔄 When Does the 'Low Battery' Light Start Flashing?

The ‘Low Battery’ red light starts flashing only when the battery drops below a preset voltage threshold—usually around 10.6V. 

This warning gives you enough time to:

Prepare to plug the sewer camera into the charger

Remember: Do not wait until the unit powers off entirely, as repeated full discharges can shorten the overall battery life.

🔌 Charging the Sewer Camera: What to Expect

When charging the S810ADSMKT drain camera:

The sewer camera may not display a green “full” indicator like a phone does. Instead, refer to the charge time and battery capacity (usually between 5–6 hours for a full charge). 

When the indicator light of the plugs changes from red to green, it means the plumbing camera is fully charged. Sewer camera ‘Low Battery’ red light will not flash, but is solid red.

It’s recommended to charge the pipe camera fully before field work, especially when you anticipate long inspections or recording sessions.

🛠️ Real Case Example: Avoiding False Panic

Let’s consider a common real-life situation:

A plumbing technician named Jason Lau powers on his S810ADSMKT before entering a client’s home. He notices the ‘Low Battery’ red light and assumes the battery is low. Panicked, he delays the inspection to find a charger—only to later realize the battery was at 11.2V.

🟣This is a perfect example of a false panic, which you can avoid by remembering: Solid ‘Low Battery’ red means the unit is ON. Flashing ‘Low Battery’ red means LOW BATTERY.

📘 Pro Tips for Professionals

● Pre-test before dispatch: Turn the unit on, observe the light, and if it’s not flashing, you’re good to go. If the LED light isn't working as expected, refer to our detailed guide on troubleshooting and fixing sewer camera lens LED light problems.

● Track usage time: On average, a full charge lasts 6–8 hours, depending on LED light usage, recording time, and customer usage habits.

🧠 Final Thoughts - Don't Let the 'Low Battery' Red Light Fool You

Understanding your plumbing camera’s indicators is crucial for smooth, uninterrupted work. The solid ‘Low Battery’ red light on your S810ADSMKT sewer camera is not a warning—it’s simply a sign that the system is up and running. Only when that ‘Low Battery’ light starts flashing do you need to plug in and recharge.

So next time you see that red light, don’t stress. We believe that through this blog, you will have a better understanding of the S810ADSMKT sewer camera's ‘Low Battery’ red light.

📞📨 Need Help?

Still unsure about your sewer camera’s indicator lights? Our technical support team is ready to help. Contact us through our website or email, and we’ll guide you through any troubleshooting steps needed.

Related reading: How to Use a Sewer Camera？