10 Best optical fiber fusion splicers of 2025

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Best Choice

1

KOMSHINE
KOMSHINE Fiber Fusion Splicer FX39 with 6 Motors Core Alignment Splicer, 4.3 Inch Touch Screen Optical Fiber Splicer w/ 6S Fast Splicing; 16S Heating, 0.01dB Splicing Loss + Power Meter -70~+6dBm
Main highlights

Fast Splicing and Heating
6S fast splicing, 16S fast heating, 4.3 inch LCD color display, 7800mAh battery, 3 Years warranty, whole life technical support, 5000 times electrode service life

Ideal for Multi FTTH Projects
Perfect for both occasional and full-time splicers, suitable for small repair jobs, installations, and multi FTTH projects with various fiber types

Praised for Quality and Reliability
Customers appreciate the affordable price, reliability, and quality of Komshine machines, with fast delivery and perfect working order upon arrival
9.7

Exceptional

Our Rating

9.9
Tech Support

9.9
Battery Duration

9.7
Simple to use
How do we rank?

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Value for Money

2

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.
9.6

Exceptional

Our Rating

9.9
Precision

9.9
Tech Support

9.3
Battery Duration
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.
9.5

Excellent

Our Rating

9.3
Simple to use

8.7
Battery Duration

8.0
Tech Support
4

ZHUOSHI
Fusion Splicer AI-5A Fiber Optical Fusion Splicer, Core Alignment Fiber Splicer Machine with 5200mAh Large Battery Capacity for SM&MM Fiber
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.
9.4

Excellent

Our Rating
5

D YEDEMC

D YEDEMC SM&MM Automatic Intelligent Optical Fiber Fusion Splicer Optical Fiber Welding Splicing Machine (Ai-9) & Fiber Cleaver Kit … (Green_Box_Ai-9)
9.3

Excellent

Our Rating
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6

D YEDEMC
D YEDEMC SM&MM Automatic Intelligent Optical Fiber Fusion Splicer Optical Fiber Welding Splicing Machine & Fiber Cleaver Kit (Ai-6)
Main highlights

Efficient Splicing and Heating
Automatic splicing in 8s and heating in 18s for rapid fiber connections.

Versatile Fiber Compatibility
Suitable for SM, MM, bare fiber, pigtails, and multi-fiber cables.

User-Friendly Interface
Includes 5-inch high-resolution screen and easy app control for seamless operation.
9.2

Excellent

Our Rating
7

QIIRUN
QIIRUN Fiber Optic Fusion Splicer with 4.3-inch Touch Screen, Optical Fiber Fusion Splicer Kit Features 7s Splicing and 18s Heating- 6481B Series
Main highlights

High Precision and Efficiency
This Fiber Optic Fusion Splicer features 4 high precision motors, 7s fast splicing, 18s efficient heating, and 0.02dB ultra-low splicing loss.

Ideal for Field Work
With a pluggable 6800mAh battery for 220 splices, compact design, and water, dust, and shock resistance, it's perfect for on-site operations.

Highly Reliable Performance
Customers praise its durability and reliability, with reports of over 2,000 successful splices and consistent performance over extended use.
9.0

Excellent

Our Rating

9.9
Simple to use

9.7
Battery Duration

9.3
Simple to clean
8

speedwolf
SPEEDWOLF Optical Fiber Fusion Splicer, FTTH Splicing Machine With 6 Electrodes + Cleaver + Stripper
Main highlights

Key Features
Precision core alignment with dual CMOS cameras, wide compatibility across fiber types, and robust construction for outdoor use.

Ideal Use Cases
Perfect for telecommunications, military, and research, excelling in harsh outdoor conditions with easy portability and fast operation.

Customer Praise
Users laud its durability, efficiency in splicing, and the convenience of its portable design for fieldwork.
8.7

Very Good

Our Rating
9

VEVOR

VEVOR Fiber Fusion Splicer 6 Motors, Core Alignment Fiber Optic Fusion Splicer with 4" Digital LCD Screen, 3 in 1 Optical Fiber Holder, Auto Focus Optical Fiber Cleaver Kit 5-6s Splicing 9-25s Heating

27% Off
8.6

Very Good

Our Rating
10

VEVOR
Mophorn Fiber Fusion Splicer Automatic Focus A-80S FTTH Fiber Optic Fusion Splicer Kit 5 Inch Digital LCD Screen Fusion Splicer Machine Optical Fiber Cleaver Kit

36% Off
Main highlights

Faster Splicing & Heating
The fusion splicing machine offers 8-second splice time, 30-second heat time, and can perform continuous splicing and heating about 200 times.

Ideal for Optical Fiber Projects
Suitable for optical fiber and cable projects, maintenance, scientific research, electric power, and other communications due to its high-speed performance and durability.

Reliable Performance
Customers appreciate that the machine works well and performs as expected, even though it lacks a touch screen.
8.3

Good

Our Rating

9.7
Durability

9.3
Battery Duration

8.7
Simple to use

10 Best optical fiber fusion splicers of 2025

1

KOMSHINE Fiber Fusion Splicer FX39 with 6 Motors Core Alignment Splicer, 4.3 Inch Touch Screen Optical Fiber Splicer w/ 6S Fast Splicing; 16S Heating, 0.01dB Splicing Loss + Power Meter -70~+6dBm

9.9

9.9

9.7

How do we rank?

How do we rank?

Analyzing top stores

2

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

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

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

5

D YEDEMC SM&MM Automatic Intelligent Optical Fiber Fusion Splicer Optical Fiber Welding Splicing Machine (Ai-9) & Fiber Cleaver Kit … (Green_Box_Ai-9)

6

D YEDEMC SM&MM Automatic Intelligent Optical Fiber Fusion Splicer Optical Fiber Welding Splicing Machine & Fiber Cleaver Kit (Ai-6)

7

QIIRUN Fiber Optic Fusion Splicer with 4.3-inch Touch Screen, Optical Fiber Fusion Splicer Kit Features 7s Splicing and 18s Heating- 6481B Series

9.9

9.7

9.3

8

SPEEDWOLF Optical Fiber Fusion Splicer, FTTH Splicing Machine With 6 Electrodes + Cleaver + Stripper

9

VEVOR Fiber Fusion Splicer 6 Motors, Core Alignment Fiber Optic Fusion Splicer with 4" Digital LCD Screen, 3 in 1 Optical Fiber Holder, Auto Focus Optical Fiber Cleaver Kit 5-6s Splicing 9-25s Heating

10

Mophorn Fiber Fusion Splicer Automatic Focus A-80S FTTH Fiber Optic Fusion Splicer Kit 5 Inch Digital LCD Screen Fusion Splicer Machine Optical Fiber Cleaver Kit

9.7

9.3

8.7

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