DIANN 10pcs 18650 Battery Holder Single 1x 3.7V 18650 Battery Holder with Wires
Quick take
The DIANN 10pcs 18650 battery holders are simple 1-cell, 3.7V 18650 “sled” style holders with red and black wire leads you can solder for DIY electronics. They’re a practical option when you want multiple holders for small projects, but the included wires are quite small, so you will need careful handling and good solder joints.
Pros and cons
Pros
- Includes solderable red and black leads with polarity made easy to identify
- Designed for single 18650 cells (rated for 3.7V) and compact dimensions
- Made for DIY wiring, with flexibility to configure multiple holders for parallel or series setups
- Users report the holders fit 18650 cells well and work as expected for replacement use
Cons
- Wires are very thin and can pull loose if you stress them during soldering or routing
- Plastic construction is typical for low-cost holders, so it may not feel as rugged as pricier mechanical designs
What buyers think
Buyer-review evidence is limited but consistent on a few practical points. Several users describe the holders as matching the intended function, with 18650 cells fitting properly and the soldered-lead style being useful for DIY replacements and small electronics. Quality is generally viewed as “good for the price,” with a common theme of straightforward setup. Where buyers note a downside, it centers on the wire leads being very small and needing careful handling, especially when installing, soldering, or removing cells.
What you get, key specs, and how it works
This is a pack of 10 single 18650 battery holders intended for 3.7V cells. Each holder uses a compact plastic case and includes wire leads for easier wiring into a project. The red lead connects to the positive contact and the black lead connects to the negative contact, which helps reduce polarity mistakes during assembly.
Dimensions and lead details
- Holder size: 3.0 x 0.8 x 0.7 inches (7.6 x 2.0 x 1.9 cm)
- Wire length: 5.1 inches (13 cm)
- Lead colors: red (positive) and black (negative)
DIY wiring flexibility (parallel or series)
These holders are meant to be connected into larger battery arrangements depending on your wiring plan. If you connect multiple holders in parallel, you can increase capacity for the same nominal voltage. If you connect them in series, you can increase the nominal voltage. The core takeaway: this holder set is about the physical connection and polarity, not the protection or charging strategy.
Pros and cons for different types of projects
Best for
- DIY hobby builds that need simple 1-cell 18650 packaging with built-in solder leads
- Projects where you want multiple spare holders for prototyping or replacements
- Builders comfortable doing careful soldering and adding strain relief where needed
Who should avoid it
- If you need heavy-duty, thick-wire leads for frequent movement, vibration, or high-mechanical stress
- If you want a more rugged, premium-feeling enclosure style, because these are plastic holders aimed at budget builds
Buying considerations that matter
1) Wire size and strain relief
The most credible limitation is that the included leads are thin, and some buyers report they can pull loose easily. Practically, that means you should plan for strain relief (for example, routing the wire so it does not flex at the solder joint) and use solid soldering technique.
2) Cell fit and removal
Review feedback suggests 18650 cells fit as intended. However, battery holders are usually tight by design to maintain contact, so removing cells may require care. If your project requires frequent swapping, consider whether the holder design suits your workflow.
3) Battery protection and charging
This is a holder, not a protection circuit or charger. For projects that draw significant current or need safety features, plan to include appropriate battery protection and charge management in your overall system design.
Is the DIANN 10pcs 18650 battery holder worth it?
It can be worth it if you are building or repairing small electronics that use single 18650 cells, and you value having multiple holders with red and black leads ready for soldering. The price-to-quantity angle is appealing for prototyping, but the thin wires are the main tradeoff. If your setup will be tugged, flexed, or exposed to vibration, you may want to look for thicker-lead holders or designs with stronger cable retention.
FAQs
- Can these holders be used for series or parallel battery packs?Yes. They are intended for DIY wiring, so you can connect multiple holders in parallel or series depending on your desired voltage and capacity.
- What voltage are these battery holders designed for?They are intended for a single 3.7V 18650 cell (1x 3.7V per holder).
- Do the holders include wires and polarity markings?Yes. Each holder includes red and black wires, with red connected to the positive side and black to the negative side for easier polarity identification.
- Are the wires durable enough for moving projects?Some buyers report the wires are very thin and can pull loose if they are stressed during installation. If your project involves movement, plan for strain relief and careful routing.
- Do I need a separate charger or protection circuit?The holders are for physically holding the cell and providing connection points. You will need appropriate charging and battery protection components as part of your overall power setup.
Specifications
| Product Title | DIANN 10pcs 18650 Battery Holder Single 1x 3.7V 18650 Battery Holder 18650 Battery Holder with Wires |
|---|---|
| Category | Electronics > Household Batteries, Chargers & Accessories > Battery Holders |
| Brand | DIANN |
| Manufacturer | DIANN |
| Model Name | 18650 |
| UPC | 687117701701 |
| Warranty Description | 2M |
| Battery Capacity | 5000 Milliampere Hour (mAh) |
| Voltage | 3.7 Volts |
| Reusability | Single Use |
| Unit Count | 10.0 Count |
| Antenna Location | Professional |
| Recommended Uses For Product | Professional |
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