10 Best fusion splicers of 2026

Explore top picks

1

DFBRUZZ

KF4A All In One Optical Fusion Splicer V-groove Alignment Korea Handheld Fiber Splicing Machine
9.8

Exceptional

Our Rating
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2

Signal fire

Signal fire Ai-30 Fusion Splicer High-Precision One-Step Fiber Cutter Integrated, Visible Core Fusion Splicer Core Alignment W/Built-in VFL & OPM Function and 3 in 1 Optical Fiber Holder
9.5

Excellent

Our Rating
3

Signal fire
Signal fire New Model AI-9 Fusion Splicing Six Motor Core Alignment Fiber Fusion Splicer Automatic FTTH Fiber Optical Welding Splicing 5S Heating 15S
Main highlights

Faster Splicing and Heating
The fusion splicing machine uses a high-speed motor for 5-second splices and 15-second heat times, saving engineers time with 260 continuous splices and heats.

Ideal for Professional Fiber Splicing
Perfect for professionals needing precise splices with core alignment technology, built-in power meter, and VFL for assessing fiber link transmission quality.

Praised for Ease of Use
Customers appreciate the machine's simplicity once the process is understood, with many noting successful splices and the helpful mobile app.
9.4

Excellent

Our Rating

9.3
Simple to use

8.7
Battery Duration

8.0
Tech Support
4

TUYMDENG

SENDUN Fiber Optic Fusion Splicer with OPM and VFL, Six Motor Core Alignment Fiber Splicer Machine with 7200 mAh Battery & 4.3-inch Touch Screen, Astonishing Fast 5s Splicing & 11s Auto-Heating, SD-9C
9.3

Excellent

Our Rating
5

KOMSHINE
Komshine FX39 Fusion Splicer Fiber Optical 6s Fast Splicing, 6 Motors Touch Screen Core Alignment Fiber Splicer with 7800mAh Large Battery Capacity+5000 Electrodes Life+Power Meter -70~+10dB
Main highlights

Six Motor Positioning and Fast Splicing
This fusion splicer features six-motor positioning for precision, a 7800mAh battery for extended use, and a 4.3-inch LCD display for easy operation.

Ideal for Multi FTTH Projects
With fast splicing and heating times, this splicer is perfect for multi FTTH projects, handling various fiber types including SM, MM, DS, and NZDS.

Highly Accurate and Consistent Performance
Customers praise the machine's accuracy, speed, and consistent performance, noting its excellent alignment and splicing capabilities as well as its cost-effectiveness.
9.2

Excellent

Our Rating

9.9
Precision

9.9
Tech Support

9.3
Battery Duration
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6

Signal fire
Signal fire AI-9 Optical Fiber Fusion Splicer, Splicing Heating Machine with 5 Seconds Splicing Time Melting 15 Seconds Heating, Optical Cleaver FTTH Kit for Optical Fiber & Cable Projects
Main highlights

Faster Splicing and Heating
The fusion splicing machine boasts a high-speed motor for a 5-second splice time and 15-second heat time, ensuring efficiency and saving engineers' time.

Ideal for Professional Fiber Splicing
Perfect for professional fiber optic engineers needing precise splicing with built-in power meter, VFL, and intelligent mobile app interaction for data management.

Praised for Ease of Use
Customers frequently commend the machine's user-friendly design and effective performance, especially when paired with its mobile app for easy adjustments and data tracking.
9.1

Excellent

Our Rating

9.5
Simple to use

9.3
Battery Duration

8.0
Tech Support
7

ZHUOSHI

Fusion Splicer AI-6A Fiber Optical Fusion Splicer with 8S Splicing & 18S Heating, Core Alignment Fiber Splicer with 5200mAh Large Battery Capacity, Automatic FTTH Precision
9.0

Excellent

Our Rating
8

KOMSHINE
Komshine Optical Fusion Splicer EX39 FTTH Mini Fiber Fusion Splicer Machine Kit 8s Fast Splicing Fast-Heating 18s with Fiber Cleaver FC-20 Welding Machine Empalmador De Fibra óptica
Main highlights

Key Features
Fast-splicing in 8s, fast-heating in 18s, 5000-times replaceable electrodes, and supports 120 splicing + heating cycles when fully charged.

Ideal Use Cases
Perfect for aerial work platforms, designed for efficient one-step cleaving and splicing with an optional cleaver operating platform.

Customer Praise
Most reviews highlight the machine`s reliability and the high-resolution display for clear results, appreciating its ease of use and performance.
Key specs
- connectors:Fiber Optic Connectors
- dimensions:14.6 x 10.5 x 9.75 inches
- applications:Fiber Fusion Splicing
- efficiency:N/A
- material:N/A
8.9

Very Good

Our Rating
9

D YEDEMC
D YEDEMC SM&MM Six Motor Core Alignment Fiber Fusion Splicer Automatic FTTH Fiber Optical Welding Splicing 5S Heating 15S (Ai-9)
Main highlights

Key Features and Benefits
3 In 1 Fiber Holder for various fiber types, built-in power meter, visual fault locator, 5-inch high-resolution screen, fast splicing and heating, multi-language support.

Ideal Use Cases
Perfect for FTTH projects, telecom industry professionals, and new hires needing reliable and efficient fiber splicing with minimal loss.

Most Praised Feature in Reviews
Users appreciate the machine's reliability, fast operation, and high-quality splices with minimal loss.
8.7

Very Good

Our Rating

9.1
Simple to use

8.4
materials Quality

8.0
Charging power
10

ZHUOSHI
Fusion Splicer AI-5A Fiber Optical Fusion Splicer, Core Alignment Fiber Splicer Machine with 5200mAh Large Battery Capacity for SM&MM
Main highlights

Efficient Operation in Harsh Conditions
The AI-5A fusion splicer excels in extreme environments, ensuring reliable performance even in high altitudes, deserts, and cold climates.

Ideal for Long-Distance Fiber Lines
Perfect for welding long-distance fiber optic lines, offering precision and speed in challenging scenarios.

Praised for Rapid Splicing and Heating
Customers appreciate the 8-second splicing and 18-second heating, enhancing workflow efficiency.
Key specs
- Power Source:1 Lithium Ion battery
- Test Features:AI-5A fiber optic splicer
- Dimensions:15.75 x 11.81 x 9.06 inches
- Circuit Types:SM, MM, DS, NZDS
- Sensitivity:N/A
8.6

Very Good

Our Rating

10 Best fusion splicers of 2026

1

KF4A All In One Optical Fusion Splicer V-groove Alignment Korea Handheld Fiber Splicing Machine

How do we rank?

How do we rank?

Analyzing top stores

2

Signal fire Ai-30 Fusion Splicer High-Precision One-Step Fiber Cutter Integrated, Visible Core Fusion Splicer Core Alignment W/Built-in VFL & OPM Function and 3 in 1 Optical Fiber Holder

3

Signal fire New Model AI-9 Fusion Splicing Six Motor Core Alignment Fiber Fusion Splicer Automatic FTTH Fiber Optical Welding Splicing 5S Heating 15S

9.3

8.7

8.0

4

SENDUN Fiber Optic Fusion Splicer with OPM and VFL, Six Motor Core Alignment Fiber Splicer Machine with 7200 mAh Battery & 4.3-inch Touch Screen, Astonishing Fast 5s Splicing & 11s Auto-Heating, SD-9C

5

Komshine FX39 Fusion Splicer Fiber Optical 6s Fast Splicing, 6 Motors Touch Screen Core Alignment Fiber Splicer with 7800mAh Large Battery Capacity+5000 Electrodes Life+Power Meter -70~+10dB

9.9

9.9

9.3

6

Signal fire AI-9 Optical Fiber Fusion Splicer, Splicing Heating Machine with 5 Seconds Splicing Time Melting 15 Seconds Heating, Optical Cleaver FTTH Kit for Optical Fiber & Cable Projects

9.5

9.3

8.0

7

Fusion Splicer AI-6A Fiber Optical Fusion Splicer with 8S Splicing & 18S Heating, Core Alignment Fiber Splicer with 5200mAh Large Battery Capacity, Automatic FTTH Precision

8

Komshine Optical Fusion Splicer EX39 FTTH Mini Fiber Fusion Splicer Machine Kit 8s Fast Splicing Fast-Heating 18s with Fiber Cleaver FC-20 Welding Machine Empalmador De Fibra óptica

9

D YEDEMC SM&MM Six Motor Core Alignment Fiber Fusion Splicer Automatic FTTH Fiber Optical Welding Splicing 5S Heating 15S (Ai-9)

9.1

8.4

8.0

10

Fusion Splicer AI-5A Fiber Optical Fusion Splicer, Core Alignment Fiber Splicer Machine with 5200mAh Large Battery Capacity for SM&MM

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