Heavy Duty 4.3 Kilowatt and Industrial Welder to continuously work 24/7. For professional lithium battery welding applications. Designed for superior precision and durability, this advanced welding machine can handle various battery sizes such as 18650, 14500, 26650, and more. It is the perfect solution for assembling or repairing battery packs for e-bikes, electric scooters, power tools, and energy storage systems in Bangladesh.

The Sunkko 737G+ offers precise nickel strip welding for both nickel-plated steel (0.05 mm to 0.35 mm) and pure nickel strips (0.05 mm to 0.25 mm), ensuring strong, stable, and efficient connections. With its customizable output power, multiple welding modes, and high instantaneous power output up to 4.3 KW, it provides consistent welding performance for hobbyists, technicians, and industrial users alike.

Whether you are building small lithium battery packs or managing large-scale battery production, the Sunkko 737G+ guarantees reliability, ease of operation, and professional-grade welding results.

Features:

Three Welding Modes:

• Fixed Welding Head with Foot Pedal: Perfect for long-duration, precise spot welding sessions with reduced operator fatigue.

• Mobile Welding Pen with Foot Pedal (MT Mode): Offers flexibility for larger battery assemblies, such as e-bike or solar storage battery packs.

• Mobile Welding Pen without Foot Pedal (AT Mode): Automatically releases energy upon contact with the nickel strip, increasing efficiency for high-volume work.

Customizable Output Power:
Allows precise adjustment of welding current and pulse timing for different materials and welding thicknesses, ensuring optimal results.

High Instantaneous Power:
Delivers up to 4.3 KW of instantaneous welding power for strong and stable welds, suitable for heavy-duty nickel connections.

Efficient and Reliable Performance:
Equipped with intelligent temperature control and protection features, ensuring long service life and consistent performance even under continuous use.

Versatile Compatibility:
Supports a wide range of battery types including 18650, 14500, 21700, 26650, and more, making it ideal for use in battery repair shops, electric vehicle workshops, and DIY battery projects.

Compact and Durable Design:
Compact body with sturdy construction, perfect for desktop or workshop setups, ensuring convenience and reliability in professional environments.

Specifications:

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