How Solar 4G Cameras Work: A Technical Primer for Importers and Distributors

How a solar 4G camera works, in a single explanation

A solar 4G camera runs on three linked subsystems. A photovoltaic panel turns light into electricity and charges a built-in lithium battery; that battery powers the camera around the clock, including at night and through overcast days; and a 4G LTE modem with a SIM card pushes video to the cloud or writes it to a local microSD card, with no WiFi and no mains wiring anywhere in the chain. In the factory models selling wholesale today, that translates into 8W or 15W panels, batteries from 8000mAh to 20000mAh, 1080p to 2K recording, microSD storage up to 128GB and an IP66 housing. A complete install takes 5 to 10 minutes per camera: fix the bracket, insert the SIM and the memory card, aim the panel, pair the unit from the app.

That is the short answer. The rest of this primer works through each stage at the level of detail a buyer who resells needs — not an end user who just wants to watch the back yard.

The power circuit: panel, battery and draw

Why the panel does not "power" the camera

It is a common assumption that the panel runs the camera. It does not, at least not directly. The panel charges the battery, and the battery feeds the electronics. That is why a properly sized solar camera keeps working at four in the morning, in the rain, and through several grey days in a row: what matters is not how much light is falling on the panel right now, but whether the energy banked during the usable hours of the day covers a full 24 hours of draw.

Which is why the panel and the battery are always quoted as a pair. The SolaGuard AOV catalogue offers two combinations: 8W with 8000mAh for sites with good sun exposure and moderate traffic, and 15W with 20000mAh for sites with partial shade, a long rainy season, or a lot of activity in front of the lens. A customer installing at a warehouse where the roofline shades the unit until mid-morning does not need a different brand — they need the 15W configuration.

What actually drains the battery

Consumption does not come from "being switched on." It comes from three things: the 4G radio transmitting, the IR array or spotlight running at night, and video processing. A unit uploading everything to the cloud at high quality draws far more than one recording to the microSD card and streaming only when someone opens the app. When a distributor starts hearing "the battery keeps dying," the cause is almost always cloud upload settings rather than a defective cell. Training the support team on that point costs less than accepting the returns.

4G connectivity: what changes versus a WiFi camera

The camera carries a cellular modem and a SIM, exactly like a phone. That removes the dependency on a router, and it is the whole reason this product sells into farms, ranches, construction sites, equipment yards and rural properties where there is neither fixed internet nor a power outlet within reach.

Three things worth confirming before you close an order:

• LTE bands. The bands used by carriers in Vietnam, Mexico, Colombia and Peru are not identical. Always confirm the correct variant for your market before shipping; it is the most common factory adjustment and it does not add cost to the order.
• Data plan. Data use tracks how much video goes to the cloud. For most installations, recording to the local card and reviewing only event clips keeps the plan cheap. Say so at the point of sale: a customer who buys an undersized plan blames the camera.
• Coverage, not perfect signal. The unit tolerates weak signal; it does not tolerate no signal. A coverage check with a phone at the exact mounting point heads off ninety per cent of field problems.

PIR versus AOV: the difference that closes the sale

Most budget solar cameras record on a PIR trigger — an infrared sensor picks up moving heat and wakes the camera. It is efficient, and it leaves real gaps. PIR responds poorly to slow movement, ignores anything outside its detection cone, and needs a moment to wake, so the clip typically starts with the subject already halfway across the frame.

AOV stands for Always-On Video: continuous 24/7 recording at low standby power, backed by AI scene analysis that decides what resolution and frame rate to hold at any given moment. It is a generic industry term, not any manufacturer's trademark. The practical difference for your customer is that cattle being walked off a property at a slow pace, a truck entering at the edge of the frame, or someone who was already inside the perimeter all get recorded just the same.

The four AOV series available

That is 49 AOV models in total, inside a 150-SKU catalogue, with wholesale prices quoted per order. Three specific part numbers to build a demo kit around: the SG-C41G-10T66-V1 as the single-lens entry unit; the SG-D42G-10F66-V1, dual lens on an 8W panel; and the SG-D42G-15F66-V1, dual lens with 20000mAh and a 15W panel for demanding sites. The rest are side by side in the full catalogue.

Installation walkthrough: those 5 to 10 minutes, step by step

1. Prep before you climb. Insert the activated SIM and the microSD card (up to 128GB) with the unit in your hands, not balanced on a ladder. Power it up and confirm it registers on the network.
2. Pick the height and the angle. High enough that nobody can reach it, low enough to recognise faces and plates. Avoid pointing into the rising or setting sun.
3. Aim the panel, not the camera. In the northern hemisphere the panel faces south; in the southern hemisphere, north. Give it enough tilt that rain washes the dust off. A dirty or badly aimed panel is the number one cause of poor runtime.
4. Fix the bracket with the supplied anchors and tighten the ball joint.
5. Pair from the app by scanning the unit's code, and name it after the site.
6. Set up recording around the customer's data plan: local card as the baseline, cloud for events.

The IP66 housing is built for rain and dust outdoors. If a project calls for immersion or pressure washing, that is a different product category, and it is worth saying so before the sale rather than after.

What this means for your import operation

Understanding how the thing works is not an academic exercise — it is what stops you quoting the wrong unit. A buyer who knows the panel charges the battery orders the 15W configuration for cloudy regions instead of shipping stock back. A buyer who knows what AOV is sells it as an argument against the competition's PIR cameras instead of competing on price alone.

The factory's commercial terms are straightforward: MOQ of 10 units for a trial order, 100 for OEM/ODM under your own brand, available across every model including all 49 AOV units. Dealer margin is 20% from around 10 units and 30% from around 50. Samples ship in 7 to 10 days by air, bulk orders in 25 to 40 days by sea, and delivery within Vietnam runs 7 to 10 business days out of the Ho Chi Minh City office.

The manufacturer is Shenzhen Leksell, established in 2012, certified by TÜV Rheinland alongside CE, FCC and RoHS. If your market demands 4K, it is produced as a custom project; the standard line works at 1080p to 2K, which is what real perimeter surveillance demand looks like without inflating data use or cost per point.

For volume-tiered pricing, see the wholesale terms; if you are looking to represent the brand in your territory, the dealer program sets out the margin tiers and the commercial support behind them. Technical questions and sample requests: info@solaguard.net.