2PCS 26350 3.7V 2000mAh Li-ion Battery with Built-in PCB & Pre-soldered Wires - 7.4Wh Rechargeable Cell for DIY Electronics

Product Description

Plug-and-Play, Premium Power Cells for DIY Enthusiasts
These 2PCS 26350 Li-ion batteries feature a built-in high-quality protection PCB and come pre-soldered with red and black wires. Enjoy the convenience of a ready-to-use solution—simply connect the stripped wires to your circuit or device without the hassle of soldering. With a substantial 2000mAh (7.4Wh) capacity and built-in overcharge, over-discharge, and short-circuit protection, these cells ensure safe and reliable power delivery. Whether for battery replacements or powering DIY electronics, they are the perfect choice.

Key Features

• Integrated Protection PCB: Built-in intelligent safety circuit prevents overcharge, over-discharge, and short circuits, significantly extending battery lifespan and ensuring user safety.
• Pre-soldered Wires, Ready to Use: Comes with pre-soldered red (positive) and black (negative) wires. The wire tips are stripped and tinned, saving you the effort of spot welding.
• Stable 2000mAh Capacity: Reliable 2000mAh capacity with a 3.7V nominal voltage, providing long-lasting power for your electronics.
• Standard 26x35mm Size: Fits standard 26350 battery compartments, widely suitable for various DIY devices.
• 2PCS Economical Pack: Includes 2 individual batteries with pre-soldered wires, perfect for dual-battery setups or keeping a spare ready.

Detailed Specifications

• Cell Model: 26350 (with built-in PCB)
• Nominal Voltage: 3.7V
• Nominal Capacity: 2000mAh (7.4Wh)
• Battery Dimensions: 26mm (Diameter) × 35mm (Height)
• Wire Length: Approx. 10cm - 15cm (Red & Black dual leads, stripped and tinned at the ends)
• Top Insulation: Covered with red insulating paper to prevent short circuits.
• Battery Color: Blue
• Package Quantity: 2PCS Pack

Applications

• DIY Electronics: Custom power banks, portable soldering irons, smart home sensors.
• Flashlight & Headlamp Replacements: Suitable for devices with spring contacts designed for 26350 cells (please check Flat Top compatibility).
• RC Toys, Electric Boats, small vacuums, and other everyday devices.

FAQ

Q: What do the red and black wires represent?
A: As per industry standards, Red is Positive (+) and Black is Negative (-). Please ensure correct polarity when connecting to your circuit.

Q: Can I connect these directly to a circuit board or LED light?
A: Yes. The wire ends are already stripped and tinned. You can solder them directly into the PCB holes or use terminal connectors.

Q: Is the protection board built-in?
A: Yes. The protection IC and wires are securely attached to the bottom of the battery before packaging. It comes fully assembled and ready to use out of the box.