Description
The Druid 18 belongs to Nemtek’s professional security energizer range. It is commonly marketed as an 8-joule electric fence energizer, with an official output rating of 7.6 joules at a 500-ohm load.
Unlike basic electric fence controllers, the Druid 18 combines high-voltage pulse generation with intelligent fence monitoring, an LCD display, battery backup, gate alarm support and optional security communication accessories.
It is especially useful for professionally designed single-zone electric fence installations that require higher output energy and reliable fault detection.
| Specification | Details |
|---|---|
| Product Name | Nemtek Druid 18 LCD |
| Manufacturer | Nemtek |
| Product Code | E-DRUID/18/LCD |
| Equipment Type | Electric fence security energizer |
| Number of Zones | Single zone |
| Marketed Energy Class | 8 joules |
| Actual Output Energy | 7.6 joules at 500 ohms |
| Open-Circuit Voltage | 9,600V |
| Input Supply | 240V AC |
| Typical Power Consumption | 25VA |
| Display | Colour-changing LCD |
| Battery Configuration | 7Ah rechargeable backup battery |
| Typical Battery Standby | Up to 24 hours |
| Gate Monitoring | Built-in gate alarm input |
| Fence Monitoring | High-voltage and earth-wire monitoring |
| Remote Communication | Compatible radio or GSM equipment |
| Keypad Support | Up to 2 optional keypads |
| Enclosure Dimensions | 370 × 232 × 145mm |
| Weight Without Battery | 4.8kg |
| Weight With 7Ah Battery | 7.0kg |
| Ingress Protection | IPX4 |
| Operating Temperature | -10°C to 50°C |
| Operating Humidity | Below 80%, non-condensing |
Specifications sourced from Nemtek’s official Druid 18 LCD product documentation. Nemtek’s page also contains a separate 7.6kg weight entry; the battery-specific weights above are more clearly identified.
High-Power 7.6 Joule Fence Output
The main feature of the Druid 18 electric fence energizer is its 7.6-joule output energy.
This makes it suitable for demanding electric fence installations where a smaller energizer may not provide sufficient performance under the designed fence load.
The energizer sends short, controlled high-voltage pulses through the fence wires. These pulses create a deterrent effect while the monitoring system checks the fence’s electrical condition.
The official open-circuit voltage is approximately 9,600 volts. This is a no-load measurement, not a guarantee that the installed fence will operate at that voltage.
The actual voltage and energy delivered depend on the fence loading, wire condition, insulation, earthing and other factors.
Designed for Long-Distance Security Fencing
Nemtek identifies the Druid 18 as suitable for long-distance series electric fencing systems that require monitorin
This makes it a possible choice for large properties, industrial facilities and commercial boundaries.
However, the number of metres a Druid 18 can support cannot be determined from the joule rating alone.
A complete fence design must consider the total live-wire length, number of parallel wires, insulator quality, vegetation, connections and grounding conditions.
For example, a perimeter with multiple fence wires can have a much greater total wire length than its boundary measurement.
A qualified installer should assess these requirements before selecting the energizer.
Colour-Changing LCD Display
The Nemtek Druid 18 includes an LCD display that helps users identify the condition of the electric fence.
The display background changes colour to provide visual feedback about operating conditions.
This allows security personnel and property owners to identify warnings and monitor the energizer without relying entirely on separate indicator lights.
The LCD is also useful during testing and troubleshooting.
Adaptive Fence Performance
The Druid 18 is designed to manage changing fence conditions through intelligent power and monitoring functions.
Environmental factors such as moisture, vegetation and deteriorating insulation can affect electric fence performance.
The system helps maintain suitable operation while monitoring for conditions that may indicate a fault or interference.
Kenyan supplier MEPS describes the model as incorporating Adaptive Power Technology to help optimise performance and reduce unwanted alarms.
Correct installation and routine maintenance remain essential, even with intelligent control features.
Built-In Fence Tamper Detection
The Druid 18 monitors faults and interference affecting both high-voltage and earth fence wires.
If the electrical conditions move outside the programmed alarm limits, the energizer can trigger an alarm.
This is useful for detecting certain forms of fence interference, damaged wiring, short circuits and other faults.
The energizer can be connected to compatible alarm equipment to alert security personnel.
Fence monitoring should be tested after installation and during scheduled maintenance.
Battery Backup for Continuous Security
The Druid 18 operates using a 240V mains electrical supply and supports a rechargeable backup battery.
Nemtek specifies a 7Ah battery configuration with a standby time of up to 24 hours when the battery is fully charged under the stated operating conditions.
Actual backup duration may vary according to the battery’s age, charge level, fence load and connected accessories.
The built-in intelligent power-saving function is designed to help extend battery life during power interruptions.
Battery inclusion should be confirmed with the supplier before purchase.
Gate Alarm Monitoring
The Druid 18 includes a built-in gate alarm input.
When connected to a suitable gate contact, it can monitor whether the secured gate is open or closed.
This feature is useful for factories, warehouses, schools, apartments and commercial premises where the gate forms part of the security boundary.
The gate alarm must be correctly installed and configured to avoid unnecessary alerts.
Optional Keypad and GSM Connectivity
The energizer includes a control tag for convenient operation.
It also supports up to two compatible optional keypads for controlling and programming the system.
For remote security monitoring, the Druid 18 can be connected to compatible armed-response radio or GSM communication equipment.
These accessories may allow alarms to be passed to a monitoring service, depending on the communication equipment installed.
The GSM module, radio equipment and additional keypads are not necessarily included in the standard energizer package.
Walk Test Mode and Surge Protection
The Druid 18 includes a walk test function to help technicians check the electric fence during installation and maintenance.
It also features built-in lightning and power surge protection.
These features help protect the equipment against certain electrical disturbances, but they do not make it immune to direct lightning strikes or incorrect wiring.
Additional surge protection and proper earthing may be required depending on the site.
Applications of Druid 18 Electric Fence Energizer in Kenya
The Druid 18 is designed for properties that require a monitored electric security fence, particularly where the fence is relatively long or has demanding electrical requirements.
| Application | Main Purpose |
|---|---|
| Industrial factories | Monitored perimeter security |
| Large warehouses | Protecting storage compounds |
| Residential estates | Securing shared boundaries |
| Commercial properties | Supporting integrated security systems |
| Schools and institutions | Boundary protection |
| Agricultural compounds | Securing buildings and selected fenced areas |
| Logistics yards | Monitoring large outdoor perimeters |
| High-security facilities | Supporting professional perimeter protection |
A professional site assessment is necessary to determine whether one Druid 18 is sufficient or whether the property needs multiple independently monitored zones.
Nemtek Druid 18 Price in Kenya 2026
The Druid 18 electric fence energizer price in Kenya varies depending on the supplier, warranty, VAT and included accessories.
| Supplier | Advertised Price | VAT Status |
|---|---|---|
| Zemaro Tech Store | KSh 35,000 | Not stated |
| PMZ Limited | KSh 36,400 | Excluding VAT |
| Brighttech Networks | KSh 46,000 | Excluding VAT |
| MEPS Fencing Systems | KSh 46,400 | Including taxes |
| Glantix Kenya | KSh 53,360 | Including VAT |
| Ethereal Solutions | KSh 54,000 | Not stated |
Reference prices from online Kenyan supplier listings checked in October 2026. These are not confirmed selling prices at Peter Machines and Spares. When comparing prices, check whether the package includes a rechargeable battery, control tag, warranty and installation accessories.
Druid 13 vs Druid 15 vs Druid 18
The three models belong to the Nemtek Druid LCD single-zone range.
| Feature | Druid 13 | Druid 15 | Druid 18 |
|---|---|---|---|
| Output Energy | 3.0J | 4.6J | 7.6J |
| Open-Circuit Voltage | 9,000V | 9,000V | 9,600V |
| Security Zones | 1 | 1 | 1 |
| LCD Display | Yes | Yes | Yes |
| Battery Backup | Yes | Yes | Yes |
| Fence Tamper Monitoring | Yes | Yes | Yes |
| Main Advantage | Lower output requirement | Medium output requirement | Higher output requirement |
| Typical Application | Suitable smaller perimeters | More demanding perimeters | Long or heavily loaded fence systems |
Output figures are from Nemtek’s published energizer specifications.The Druid 18 has the highest output of these three models, but it is not automatically the correct choice for every installation. The fence must be designed for the selected energizer.
Benefits of the Nemtek Druid 18
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7.6-joule output: Suitable for appropriately designed, demanding electric security fences.
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Single-zone monitoring: Provides fault and tamper monitoring for one fence zone.
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LCD display: Helps users identify the fence’s operating condition.
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Battery backup: Supports continued operation during mains power interruptions.
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Intelligent power saving: Helps extend backup operation.
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Gate monitoring: Allows a compatible gate contact to be monitored.
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Alarm integration: Supports compatible security communication and alarm equipment.
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Walk test function: Helps technicians inspect fence performance.
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Optional keypad control: Supports convenient control from selected locations.
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Surge protection: Includes built-in protection against certain electrical disturbances.
What Is Needed for a Complete Druid 18 Installation?
Buying an energizer is only one part of installing an electric security fence.
| Installation Material | Purpose |
|---|---|
| Electric fence wire | Carries controlled electrical pulses |
| Fence brackets | Supports the fence structure |
| High-voltage insulators | Prevents unwanted electrical contact |
| High-voltage cable | Connects approved fence sections |
| Earth electrodes | Forms part of the grounding system |
| Warning signs | Alerts people to the electric fence |
| Siren | Provides audible alarm notification |
| Strobe light | Provides visible alarm notification |
| Backup battery | Maintains operation during power failure |
| Gate contact | Monitors gate opening |
| Optional keypad | Provides additional control |
| Surge protection accessories | Adds protection where needed |
The installer should determine the correct materials, quantities and configuration.
How to Choose the Right Druid 18 Energizer
Check the Total Fence Load
Consider the perimeter length, number of wires, wire material and quality of insulators.
Long fences with multiple wires can place greater demands on the energizer.
Do not select the Druid 18 based only on the distance around the property.
Confirm Single-Zone Requirements
The Druid 18 is a single-zone energizer.
If a property needs separate alarm identification for different boundary sections, a suitable multi-zone energizer or system may be more appropriate.
Check Battery Requirements
Confirm whether a 7Ah rechargeable battery is included in the supplied package.
For properties with frequent power failures, discuss backup requirements with the installer.
Consider Alarm and Remote Monitoring
A warehouse or industrial facility may need integration with a security alarm panel, siren, strobe or armed-response communication system.
Check accessory compatibility before purchasing.
Confirm Genuine Nemtek Identification
The official Druid 18 LCD stock code is E-DRUID/18/LCD.
Check the model label and warranty documentation before ordering.
Installation and Safety Guidelines
The Nemtek Druid 18 must be installed by a qualified electric fence technician following the manufacturer’s instructions and applicable safety requirements.
The installer should ensure correct earthing, approved insulation, safe fence positioning, warning signs and appropriate protection against accidental contact.
The IPX4 enclosure rating provides limited splash protection. It does not mean the energizer is waterproof or suitable for unrestricted outdoor exposure.
Never connect fence wires directly to household mains electricity, disable protective components or attempt to repair an energised fence.
High-voltage fence systems can cause serious injury if installed or handled incorrectly.
Official documentation, including the installer manual and single-zone LCD user manual, is available through
Maintenance Tips for Druid 18 Electric Fence Energizer
Regular maintenance is important for large electric fence installations.
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Check the LCD for warning and fault indications.
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Inspect insulators for cracks and physical damage.
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Look for loose, broken or sagging fence wires.
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Have vegetation touching the fence removed after safe isolation.
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Inspect the backup battery and its connections.
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Check gate monitoring and alarm equipment.
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Arrange periodic professional earthing inspections.
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Replace damaged fence components with compatible parts.
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Have unusual electrical faults checked by a qualified technician.
Common Druid 18 Problems and Solutions
| Problem | Possible Cause | Recommended Action |
|---|---|---|
| Low fence voltage | Excessive fence loading or insulation faults | Arrange professional inspection |
| Frequent alarms | Fence interference or incorrect alarm settings | Check the fence and configuration |
| Short backup time | Weak or ageing battery | Have the battery tested |
| Gate alarm remains active | Faulty contact or wiring | Inspect gate monitoring components |
| LCD displays a fault | Electrical or system condition | Refer to the official manual |
| Energizer stops working | Supply or equipment fault | Contact a qualified technician |
Where to Buy Druid 18 Electric Fence Energizer in Kenya
Customers searching for a Nemtek Druid 18 electric fence energizer in Nairobi can enquire with Peter Machines and Spares about available energizers, fencing accessories and current prices.
Contact: 0719276999
Website: petermachinesandspares.co.ke
Confirm the exact model, warranty, battery inclusion, selling price and availability before placing an order.
Frequently Asked Questions
What is Druid 18?
The Druid 18 is a Nemtek single-zone electric fence energizer designed for monitored perimeter security, particularly long-distance and demanding fence installations.
How many joules is Druid 18?
The Druid 18 is commonly called an 8-joule energizer. Its official output rating is 7.6 joules at a 500-ohm load.
What is the voltage of Druid 18?
The Druid 18 has an open-circuit voltage of approximately 9,600 volts. The voltage on an installed fence varies with the electrical load.
Is Druid 18 a single-zone or dual-zone energizer?
The official Nemtek Druid 18 LCD is a single-zone energizer
Does Druid 18 have battery backup?
Yes. It supports a 7Ah rechargeable battery configuration with up to approximately 24 hours of standby operation under specified conditions.
Can Druid 18 work without mains electricity?
It can operate temporarily from a suitable charged backup battery. It cannot run indefinitely without a power source.
Is Druid 18 suitable for a large industrial fence?
Yes, it is designed for demanding and long-distance security fence applications. A qualified installer must assess the specific fence layout and loading.
Can Druid 18 connect to a GSM module?
Yes. It can connect to compatible GSM or armed-response radio equipment for security integration.
What is the difference between Druid 15 and Druid 18?
The Druid 15 has a 4.6-joule output rating, while the Druid 18 provides 7.6 joules. Both are single-zone LCD energizers.
What is the price of Druid 18 in Kenya?
Advertised online prices range from approximately KSh 35,000 to KSh 54,000, depending on the supplier, VAT and package.
Where can I buy Druid 18 in Nairobi?
You can enquire with Peter Machines and Spares on 0719276999 about the Nemtek Druid 18 LCD energizer, current price and availability.
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