Battery Holder 3.7V 18650 X 2
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Estimated delivery: 07 Jun - 11 Jun
Dual 18650 Li-ion Battery Holder
This 18650 battery holder allows you to connect two Li-ion batteries in series to achieve a combined voltage of 7.4V. Ideal for DIY projects, portable lighting systems, electronic devices, or prototypes requiring compact and secure power. Robust ABS plastic construction with spring-loaded contacts for stable connection.
What you get with this product
- Secure connection of two 18650 batteries in series to obtain the 7.4V voltage needed for your project
- Spring-loaded metallic alloy contacts ensure stable connection without interruptions, even with vibrations
- Compact dimensions of 77 x 66 x 41 mm, perfect for integration into tight spaces or custom enclosures
- Pre-mounted red and black wires for quick polarity identification and immediate connection
- Shock-resistant plastic construction, protecting the batteries during operation
- Universal compatibility with all standard 18650 Li-ion batteries on the market
How it works and how to install it
Insert the two 18650 batteries into the holder's compartments, observing the polarity indicated on the casing. The internal metal springs automatically make the series connection, resulting in a total voltage of 7.4V at the ends of the wires. Connect the red and black wires to your device, observing the correct polarity. No special tools or advanced knowledge are required — assembly takes less than a minute.
Frequently Asked Questions
Can I use this holder with batteries of a different capacity than 18650?
No, the holder is designed exclusively for the standard 18650 format with dimensions of 18mm diameter and 65mm length. Other formats will not fit correctly.
What voltage do I get if I connect two 3.7V batteries?
The series connection adds the voltages, resulting in a nominal 7.4V or approximately 8.4V at full charge.
Does the holder include 18650 batteries?
No, the package contains only the holder. 18650 batteries are purchased separately depending on the desired capacity and characteristics.
Technical Specifications
| Compatible battery type | Li-ion 18650 |
| Number of batteries | 2 pieces |
| Connection mode | Series (voltages added) |
| Nominal output voltage | 7.4V (2 x 3.7V) |
| Length | 77 mm |
| Width | 66 mm |
| Height | 41 mm |
| Casing material | ABS Plastic |
| Connector type | Metal spring with pre-mounted wire |
| Package contents | 1 x 18650 x 2 battery holder |
Warranty and Support
The product benefits from a 24-month warranty in accordance with Romanian legislation. You have the right to return within 30 days of receipt. Delivery is fast via national courier throughout Romania.
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Specificații
Specificații
Detalii produs
Detalii produs
Designed with care and crafted from premium materials, our products combine durability, comfort, and timeless style. Each piece is thoughtfully made to enhance your living space, offering a perfect balance of functionality and elegance that complements any home and suits your unique lifestyle.
Materials & Care
Materials & Care
Carefully crafted from durable, sustainable materials, each piece is designed for long-lasting use and timeless style. For proper care, wipe gently with a soft, damp cloth to remove dust and dirt. Avoid using harsh chemicals, abrasive cleaners, or excessive moisture to protect the finish and maintain its pristine look.
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