Custom Solar Solutions That Power Your Projects Forward

Every project gets dedicated support, tailored solutions, and real-time updates.

Solar Powered Security Camera Not Charging?

By ShovenDean  •   5 minute read

Solar security camera not charging with small solar panel on house wall during troubleshooting

A Practical Step-by-Step Troubleshooting Guide

My solar security camera is not charging” is one of the most common complaints in reviews and support forums—and it’s usually not a mystery failure. In many cases, nothing is “dead.” The system is simply losing the daily energy fight because of weak sunlight, a bad connection, aggressive settings, or hardware that was sized for summer instead of real-world conditions.

This guide walks through a step-by-step troubleshooting process you can use for most brands of solar powered security camera, whether the panel is integrated with the camera mount or wired in as a separate mini module. If you want the “engineering view” of sizing panels and batteries by Wh/day after you troubleshoot, you can reference this deeper guide: Solar Power for Security Cameras and Sensors.


Step 1 – Check sunlight and panel placement

Most vendor troubleshooting guides start here for a reason: if the panel isn’t getting good sun, the rest of the system can’t “fix” it with firmware or settings.

  • Check the panel around midday. Does it get direct sun for several hours, or is it shaded by roofs, trees, poles, gate hardware, or nearby structures?
  • Look at the surface closely. Dust, pollen, leaves, and bird droppings can reduce output more than people expect.
  • Check the angle. A panel that sits almost flat tends to collect water and dirt—then performance slowly collapses.
Shaded solar panel at midday causing a solar security camera not charging issue

If the panel only sees weak or very brief sun, the conclusion is straightforward: the system needs more light or a better-positioned panel. A simple way to improve “free energy” is to re-aim and add tilt so the panel faces the sun and sheds debris more easily. If you need adjustable tilt hardware for small installations, start with: Solar Panel Tilt Mounts & Adjustable Brackets.


Step 2 – Inspect cables and connectors

If sunlight and placement look reasonable, the next suspects are the parts nobody notices until they fail: cables, connectors, and strain relief. Small problems here often show up as “weak panel” symptoms.

  • Unplug and firmly re-plug the cable from the panel to the camera or power pack. Half-seated connectors are extremely common.
  • Inspect the full cable run for crushed sections, cuts, pinches, and animal damage—especially at door frames, siding edges, and zip-tie points.
  • If you can, swap in a known-good cable or panel. If the problem follows the cable/panel, you’ve found the weak link.

Outdoor connectors that aren’t properly sealed can corrode surprisingly fast. When you see green/white corrosion, loose pins, or water intrusion, replacement is usually faster than “cleaning and hoping.” If you’re repairing or rebuilding a small solar cable run (especially for DIY builds), follow a consistent wiring method instead of improvising in the field: How to Connect Mini Solar Panels.


Step 3 – Check camera settings and behavior

Sometimes the panel is charging, but the camera is simply using more energy than the system can supply. In that case, the battery drifts downward day after day until it hits “offline.”

Start with the settings that most often inflate daily energy use:

  • Motion sensitivity and detection zones: High sensitivity in a busy scene (trees in wind, traffic, pets, livestock) can trigger near-constant recording.
  • Clip length and quality: Longer clips and higher bitrate consume more battery—especially when the camera has to transmit frequently.
  • Notifications and live view habits: Frequent alerts often lead to frequent live viewing, which keeps the camera awake and the radio active.
  • Night settings: Bright white LEDs or long IR illumination can multiply energy use at exactly the time your solar input is zero.

A practical test is to dial things back one notch for a few days: narrow the detection zone, reduce clip length, and lower brightness. Then watch the battery trend over several days. If the “not charging” complaint disappears, you’ve proven it was a demand problem, not a hardware defect.


Step 4 – Check battery state and firmware

If sunlight, wiring, and settings look sane, check the system’s “state of health”—battery behavior and software.

  • If the battery is already near 100%, some systems pause charging to protect the pack. That can look like “not charging” even when everything is working normally.
  • A battery that has been deeply discharged for a long time may need a full wired recharge to recover. In some cases it may have permanently lost capacity.
  • Update firmware and the mobile app. Older versions can misreport battery status or handle sleep/charging poorly.

If you fully recharge by wire, update firmware, and the camera still drains rapidly, you may simply be asking too much from the panel and battery at that location—especially in winter or cloudy regions.


Step 5 – Be honest about hardware limits

Upgraded small solar power kit with pole-mounted panel and battery for a solar security camera not charging fix

Once you’ve checked light, wiring, settings, and firmware, it’s time to look at the hard limits of the kit. Ask these questions:

  • What is the panel wattage (W), not just “works for my camera” marketing?
  • What is the battery capacity in Wh (not just mAh)?
  • How much sun does the location actually get in winter, and how often is it shaded?
  • How many motion events and live-view sessions are you realistically expecting?

If you live in a cloudy climate and run a busy cellular camera with a tiny panel and a small battery, the system can be undersized even if every component is “working.” Troubleshooting can’t change the energy math.

At that point, the fix is usually one (or a mix) of these levers: increase panel size and improve placement, increase battery capacity, or move to a more robust mini kit (panel + controller + battery) that’s sized to your real Wh/day.

For upgrades and rebuilds, LinkSolar typically supports projects with right-sized modules from Mini Solar Panels and field-friendly mounting like the Universal Solar Panel Pole Mount Kit. If you need a compact wall/pole solution for small panels, the 5W Solar Panel Wall/Pole Mount Bracket is a clean way to aim the panel properly instead of “wherever it fits.”


Step 6 – When to contact support or replace components

If you’ve verified good sunlight and clean panels, checked (and if needed replaced) cables, tuned settings, updated firmware, and looked at hardware sizing honestly—and the camera still won’t charge or stay charged—then it’s time to escalate.

  • Contact the camera vendor’s support and describe exactly what you’ve tested.
  • Ask whether they have known issues with charging circuits, battery reporting, or firmware for your model.
  • If possible, test with another known-good panel or power supply to isolate whether the fault is internal.

A faulty internal charge controller or a severely degraded battery pack usually requires manufacturer service or replacement. If you’re designing a more robust site solution instead of replacing one fragile kit after another, start here: Solar for Security Cameras & Gates.

Previous Next