DAHUA DH-IPC-HFW2441DG-4G-SP-B-MAX Solar Battery Camera | 4MP 2K 4G LTE | AOV 24/7 Recording | IP67 | PIR | DMSS
The **DAHUA DH-IPC-HFW2441DG-4G-SP-B-MAX** is a professional ** 4MP 4G LTE solar-powered battery network camera** designed for locations where conventional power and fixed Internet cabling are difficult or expensive to install.
Unlike ordinary battery cameras that remain asleep until motion occurs, this model supports Dahua **AOV – Always-On Video** mode, designed to provide continuous surveillance while maintaining ultra-low power consumption. It combines **4MP video, integrated solar charging, 64Wh LiFePO₄ battery, 4G connectivity, PIR detection, Smart Dual Light, two-way audio, microSD storage and IP67 weather protection**.
| Feature | Specification |
| --------------------- | --------------------------------------- |
| Model | **DH-IPC-HFW2441DG-4G-SP-B-MAX** |
| Camera | 4G Solar Battery Bullet Camera |
| Resolution | **4MP / 2560 × 1440** |
| Maximum Frame Rate | **15fps @ 4MP** |
| Sensor | 1/3" CMOS |
| Lens | **3.6mm F1.6 fixed** |
| Horizontal FOV | **78.4°** |
| Compression | **H.265** |
| IR Night Vision | **Up to 30m** |
| Warm Light | **Up to 20m** |
| Detection | **PIR + SMD** |
| Recording | **AOV Always-On Video** |
| Mobile Network | **4G LTE** |
| Wired Network | **RJ45 10/100Mbps** |
| Local Storage | **microSD up to 512GB** |
| Audio | **Built-in Microphone + Speaker** |
| Alarm | **Sound & Light Deterrence** |
| Battery | **64Wh LiFePO₄** |
| Battery Voltage | 6.4V |
| Solar Charging | **Integrated / adjustable solar panel** |
| Protection | **IP67** |
| Mobile App | **DMSS – iOS / Android** |
| Management | **DMSS / DSS Pro** |
| Operating Temperature | **-30°C to +60°C** |
These specifications are from Dahua's current official product documentation. ([Dahua Technology][1])
One of the most important features is **AOV mode**.
Many conventional battery-powered cameras operate mainly as:
**Camera Sleeping → PIR Trigger → Camera Wakes Up → Records Event → Returns to Sleep**
This saves battery, but activity occurring immediately before the trigger may not be captured.
Dahua's AOV architecture is designed differently. The camera maintains ultra-low-power surveillance and wakes to a higher recording frame rate when a person or vehicle appears. Dahua specifically promotes the model for **24/7 surveillance with ultra-low power consumption**. ([Dahua Technology][1])
This makes the camera especially useful where continuous situational awareness is more important than simple event-only recording.
The camera uses a **1/3" CMOS sensor** and records at up to:
### **2560 × 1440 — 4MP @ 15fps**
This provides substantially more image detail than conventional 1080P cameras while keeping bandwidth and power consumption manageable for a solar/4G application. ([Dahua Technology][1])
The 3.6mm F1.6 fixed lens provides approximately **78.4° horizontal field of view**, making it suitable for monitoring entrances, work sites, roads, compounds and open areas.
## Solar Panel + LiFePO₄ Battery
The system incorporates a solar charging solution together with a:
### **64Wh / 6.4V Lithium Iron Phosphate Battery**
Dahua specifies a battery cycle lifetime of **more than 1,000 cycles**. ([Dahua Technology][1])
LiFePO₄ technology is particularly attractive for outdoor surveillance because of its cycle-life and thermal characteristics.
The architecture is straightforward:
**24/7 AOV / EVENT RECORDING**
This greatly reduces dependence on fixed AC power infrastructure.
## Official Battery Runtime Figures
Dahua publishes indicative battery-only operating durations under different operating modes:
| Operating Mode | Dahua Stated Runtime |
| ---------------------------------- | -------------------: |
| Ultra Power Saving | **76 days** |
| Power Saving | **56 days** |
| AOV Mode | **10 days** |
| Performance / Continuous Recording | **2 days** |
These are based on Dahua's specified test conditions. Actual runtime varies with **recording activity, 4G signal strength, temperature, alarms, live viewing, battery condition and solar charging conditions**. ([Dahua Technology][1])
For an outdoor solar installation, solar exposure is therefore a critical part of system design.
## 4G LTE – No Fixed Internet Required
The camera incorporates a **4G cellular module**, allowing it to communicate through a compatible mobile network instead of depending on a conventional fixed broadband connection. ([Dahua Technology][2])
This enables deployment in locations such as:
**Construction Sites • Farms • Temporary Sites • Car Parks • Marine Areas • Remote Compounds • Vacant Land • Outdoor Events • Infrastructure Sites**
**DAHUA Camera → 4G LTE → Internet → DMSS Mobile App**
The exact LTE variant/bands must be checked against the intended country and mobile operator before purchase.
Although primarily designed as a 4G camera, the unit also includes:
### **RJ45 10/100 Base-T Ethernet**
This gives system integrators additional network flexibility where a wired LAN connection is available. ([Dahua Technology][1])
## PIR Human Detection + SMD
The camera has an integrated **PIR sensor**, which detects human-body infrared characteristics, together with Dahua **SMD** intelligent detection. ([Dahua Technology][1])
This helps the system focus on meaningful activity while conserving battery and reducing unnecessary recording/alarm activity.
For remote solar-powered CCTV, intelligent triggering is particularly valuable because every unnecessary wake-up consumes:
**Battery + Storage + 4G Data**
**IR LED — Up to 30 metres**
**Warm Light — Up to 20 metres**. ([Dahua Technology][1])
This provides flexible night surveillance.
IR can provide discreet black-and-white night monitoring, while warm supplemental illumination can support visible-light monitoring and deterrence depending on the configured operating mode.
## Active Sound & Light Deterrence
The camera supports **sound and light alarm linkage**.
When an alarm is triggered, the camera can activate its warning functions to deter an intruder. ([Dahua Technology][2])
This changes the camera from purely passive surveillance into an active security device:
### **DETECT → RECORD → ALERT → DETER**
This can be useful for remote sites where no security personnel are permanently stationed.
## Built-in Microphone & Speaker
The DH-IPC-HFW2441DG-4G-SP-B-MAX includes both:
### **Built-in Microphone + Built-in Speaker**
and supports **two-way talk**. ([Dahua Technology][1])
An authorised remote operator can therefore potentially view the camera and communicate through the system.
**Person Enters Restricted Area**
**Live View + Two-Way Audio**
## Up to 512GB microSD Storage
### **microSD Card up to 512GB**
for local edge recording. ([Dahua Technology][1])
This is particularly valuable for 4G deployments because recordings can remain at the camera instead of continuously transmitting all video through the cellular network.
A well-designed configuration can therefore balance:
**Local SD Recording + Event Notifications + Remote Live View**
to reduce unnecessary 4G data consumption.
Dahua lists **DMSS** as the supported mobile client for iOS and Android, with **DSS Pro** available as a management platform. ([Dahua Technology][1])
A remote CCTV architecture can therefore be:
**Mobile Phone / Tablet**
This is particularly useful where the camera is installed far away from the owner or control room.
## IP67 Outdoor Protection
and Dahua specifies an operating range from **-30°C to +60°C**. ([Dahua Technology][1])
This makes it suitable for demanding outdoor surveillance applications when installed correctly.
The camera and solar panel should still be positioned carefully to minimise unnecessary shading and ensure the solar module receives adequate sunlight.
## Where This Camera Makes Sense
The strongest use case is a location where one or more of these problems exist:
**Installation Is Temporary**
**Cabling Is Too Expensive**
**Power Cable + CAT6 + Trunking + Network Switch + Router + NVR**
the solution can be simplified to:
### **SOLAR + BATTERY + 4G + SD CARD + CAMERA**
This can dramatically reduce infrastructure requirements for the right project.
The DH-IPC-HFW2441DG-4G-SP-B-MAX is particularly suitable for **construction sites, temporary works, remote facilities, farms, car parks, outdoor events, vacant properties, warehouses, perimeter monitoring, infrastructure sites, marine applications and other locations where conventional CCTV cabling is difficult**.
It can also be useful as a temporary surveillance camera that is moved between sites.
## Important: 4G Data Cost
Although the camera is solar powered, **4G mobile data is not free**.
Data consumption depends on how the system is used.
Frequent remote live viewing and continuous high-quality video transmission can consume substantially more data than event notifications and occasional playback.
For a 4G solar system, optimise:
**Bitrate + Frame Rate + Recording Mode + Live View Usage + Alarm Frequency**
according to the available SIM data plan.
## SGCCTV DAHUA Solar 4G CCTV Singapore
SGCCTV – Choicecycle CCTV Pte Ltd provides **DAHUA Solar Cameras, 4G LTE CCTV, Battery Cameras, AOV Cameras, microSD Recording, Remote CCTV, Mobile CCTV Systems, Solar CCTV Installation, Temporary CCTV and Security Camera Troubleshooting**.
**Email:** enquiry@choicecycle.com.sg
**WhatsApp:** +65 98534404
## 10 Frequently Asked Questions
**1. What is the DAHUA DH-IPC-HFW2441DG-4G-SP-B-MAX?**
It is a **4MP 4G LTE solar-powered battery network camera** with AOV recording, PIR detection, Smart Dual Light, two-way audio and local microSD storage. ([Dahua Technology][1])
**2. What resolution does it provide?**
It records at up to **2560 × 1440 / 4MP at 15fps**. ([Dahua Technology][1])
**3. Does it require Wi-Fi?**
No. Its main advantage is built-in **4G LTE connectivity**, allowing deployment without conventional Wi-Fi or fixed broadband. The correct regional LTE version must be selected. ([Dahua Technology][2])
**4. What is AOV?**
AOV means **Always-On Video**. Dahua designed this mode to provide 24/7 surveillance while using ultra-low power, waking to higher-rate recording when relevant targets appear. ([Dahua Technology][2])
**5. What battery does the camera use?**
It uses a **64Wh, 6.4V lithium iron phosphate (LiFePO₄) battery**, rated by Dahua for more than 1,000 cycles. ([Dahua Technology][1])
**6. How long can it operate without solar charging?**
Dahua lists approximately **10 days in AOV mode** under its specified test conditions, while other operating modes range from 2 to 76 days. Real-world runtime varies substantially. ([Dahua Technology][1])
**7. Does it support night vision?**
Yes. It provides **IR up to 30m** and **warm light up to 20m**. ([Dahua Technology][1])
**8. Does it support an SD card?**
Yes. It supports **microSD storage up to 512GB**. ([Dahua Technology][1])
**9. Can I view the camera from a mobile phone?**
Yes. Dahua lists **DMSS for iOS and Android** as the supported mobile client. ([Dahua Technology][1])
**10. Is it suitable for permanent CCTV?**
Yes, where solar conditions and 4G coverage are adequate. For locations where reliable AC power and wired networking are readily available, however, a conventional wired PoE CCTV system will usually provide greater network stability and fewer dependencies on battery, sunlight and cellular coverage.