D&V Engineering

1. Input:AC 100V-240V 50/60Hz Max150mA 
2. Output:DC4.2V  1200mA
3. Compatible with  18650  Li-ion baterries                                                               
4. Suitable for:18650 lithium-ion rechargeable battery

1. Holds Two 18650 Batteries: Designed to securely house two 18650 lithium-ion batteries in series, providing a combined 7.4V output.
2. Built-In On/Off Switch: Convenient switch for easily controlling power flow, saving battery life when not in use.
3. Protective Cover: Comes with a cover to keep the batteries secure and protect them from dust, dirt, and accidental shorts.
4. Durable Construction: Made from high-quality plastic for long-lasting durability and protection of your batteries.
5. Compact & Lightweight: Small design that fits into a variety of DIY projects, including flashlights, custom power banks, and more.
6. Easy Installation: Simple to insert and remove 18650 batteries, with clear positive and negative terminals.
7. Safe and Reliable: Features secure battery placement to prevent any accidental disconnections or damage.
8. Versatile Applications: Perfect for powering electronics such as LED lights, handheld devices, power banks, and small motors.

1. Compatible with CR2032 and Equivalent Coin Cells:
2. Holds standard 20mm lithium coin cells (CR2032, BR2032, DL2032).
3. Durable Construction:
4. Made of high-quality ABS plastic and phosphor bronze contacts for longevity and corrosion resistance.
5. Secure Snap-Fit Design:
6. Firmly holds the battery in place while allowing for easy insertion and removal.
7. PCB Mountable (Through-Hole or SMD Options):
8. Designed for direct mounting onto printed circuit boards – perfect for embedded applications.
9. Polarity Marking:
10. Clearly marked positive and negative terminals for correct orientation.
11. Compact Form Factor:
12. Slim, space-saving design for use in portable or compact electronic devices.

1. Package includes 1pcs
2. With a cover to retain and protect the battery.
3. With On/Off switch, can be used for a external power.
4. Made by Contacts with wire leads.

1. The Plastic Covered Battery Cell Holder For 4 X AA Battery with On/Off Switch puts a nice finishing touch on your battery powered project. This holder features a removable sliding cover which is secured with a small head screw.
2. Another bonus is the ON/OFF switch which can be used to control power to your project. The leads are about 15cm, and the last 5mm of them are tinned. It is a series connection
3. The case box can keep your batteries organized and protected. The holder case is designed with leads for easy to solder and connect.

18650 Single Battery Cell Spacer/Holder a cylindrical battery spacer, made by flame retardant ABS+PC materials, with high-temperature resistance and crack resistance.

There are slots on the edge of the holder, can be combined into many different sizes and shapes of the battery pack; after welding nickel tabs, the pack can pass vibration test without any other connecting device. Making your battery pack Solid and Reliable.

This Battery Holder is compatible with our 18650 Li-ION Batteries which you need to buy separately.

1. 18650 3.7V battery 4 position battery holder plastic box with 2 wire leads
2. Keep your batteries organized and protected.
3. Takes 4 standard size 18650 batteries side by side to form a compact battery of 3.7V rechargeables
4. Takes 4 standard size 18650 batteries side by side to form a compact battery of 3.7V rechargeables

1. This holder is for 9 volt battery.
2. With a cover to retain and protect the battery.
3. With On/Off switch, can be used for a external power.
4. Made by contacts with wire leads

1. [PARAMETER] - Series Mode: 2 Cell 18650 Lithium Battery Bracket; Hole Dia: 18.4mm/0.72"; Hole Spacing: 20.2mm/0.8"
2. [MATERIAL] - The battery holder is made of ABS plastic, which can withstand high drops, strong support, easy to dissipate heat, convenient combination, fixed specifications, and free combination
3. [FEATURE] - Suitable for DIY combination of import batteries, can hold 18650 Lithium Battery, the unique design and smart solid frame can be an excellent protector for your lithium ion battery pack
4. [ADVANTAGE] - With card slot at edge, any size can joining together, match up firm, with strong, and no need for other device connected by vibration test

• Battery type: 18650 Case Holder
• 18650 Battery Holder Case with leads for soldering / connecting
• Takes standard size 18650 battery to form a compact battery pack

• The Plastic Covered AA x 2 battery holder will give a nice finishing touch to your battery-powered project. This holder features a removable sliding cover which is secured with a small head screw.
• 2 x AA 3V batteries make a series connection inside the case to provide 3V combined output. A fully packed cover with locking provides protection to the battery cell from environmental effects.

• Contact : No wiring included
• Number of batteries it can hold : 4
• Contact with battery : Stainless steel contact pins
• Suitable for 4xAA batteries With spring clip design.

1. Metal spring: carbon steel nickel plating by NCAA salt spray test, stainless steel spring.
2. This has 1. 5 x3=4.5v when both cells is inserted
3. It can serve the maximum voltage of 3 volts
4. Used for 3 AA cell holder for student projects
5. Best for arduino, power bank, DIY work etc

1. Size: As shown in images, suitable for 18650 lithium ion battery, 2 Cell in series holder
2. Color: Black; 1pcs 18650 Battery Holder Case Leads 3.7V Clip Type for Soldering / Connecting
3. Material Type: Metal and plastic
4. No. of package quantity: 1 case
5. The package does not include battery of any type, only the cover.

1. Easy to install: The battery is fixed by a stainless steel spring. It is very convenient to install and replace the battery, and it is not easy to damage other parts.
2. It can hold standard 18650 size batteries,either for alkascent or rechargable batteries, the pin design is great for easily soldering and connecting.
3. It is suitable for DIY and maintenance of all kinds of dc equipment, with screw hole at the bottom and wire preinstalled, it is easy to use.
4. Battery Type: 2 AA batteries, 2 x 3.7V AA batteries. ON/OFF switch.Wire
5. PACK OF 1 (Batteries are not included)

1. Battery Holder, Black color
2. For hold 6 AA-size (2A LR6 UM3) battery (Batteries not include)
3. Battery Snap (PP3) output
4. Output voltage: 9V

• With a cover to retain and protect the battery.
• With On/Off switch, can be used for a external power.
• Made by contacts with wire leads.

• 100% Brand New and High Quality, Package Content: 10 x Button Battery Holder
• Main Color: Black; Total Size: 24 x 22 x 7mm/0.9" x 0.87" x 0.28" (L*W*H)
• Fit for Battery Model: 1 x 3V CR 2025/2032 Battery ( Battery Not Included Here)

1. Product Details:
2. Spring: Nickel plated steel
3. Cable Color:Black and Red
4. Color: Black
5. Package includes: 18650 Battery Holder (Batteries are not included)

• 18650 battery holder for 18650 rechargeable batteries, Simple DIY recharge power supply. Great for led projects, toys, also replaces broken battery holders for many electronic devices.
• 18650 battery case holder with 26AWG leads, they are tinned wire end, the black and red two wire 130mm design is great for easily soldering and connecting.
• On/off switch available for easy switching. Battery clip is made of PP plastic and has screw holes at the bottom to fix the battery holder in a proper position???Screw not attached).
• Easy Installation Battery Holder For 2 x 18650 batteries. Stainless steel spring with wire lead design for easy install and convenient for electric circuit DIY work.
• Package Include: 1 x 2 Cell Battery Holder

1. Type of AA Battery Holder: 4 aa battery holder(Batteries Not Included), 4x 1.5V aa battery holder with leads
2. Body Size(L*W*H): 2.248" x 2.457" x 0.622"/5.71cm x 6.23cm x 1.58cm(L*W*H)
3. Material: Hard Plastic, Color : Black, Weight: 0.459oz/13g
4. Cable Length( Each ) : 150mm (5.9 inches), Tinned End, Wire color: Black & red
5. Package Contents: 4 AA battery holder with wires

Battery holders for 2 x AA batteries. Can be used for all kinds of toys and experimental boards.

1. Product Name : 2X1.5V Battery Case Holder;
2. Material : Plastic, Metal, Electric Part; Color : Black
3. Dimension : 5.8 x 3.3 x 1.5cm/ 2.3" x 1.29" x 0.59"(L*W*H)

1. It is 9V hi-watt battery with battery clip
2. This battery is a high capacity and solution for many electronic devices
3. This pack consists of 5 x 9v hw battery, 5 x battery clip

1. Battery type: AAA
2. The wire length is Approx 140mm
3. It comes with a soldered open-end wire.

1. 4xAAA Battery Holder
2. High Quality Black Color
3. Battery Size: AAA Number of
4. Batteries supported: 4 Attached red and
5. black wire Red wire: +/Positive Black Wire

1. PACKAGE INCLUDES 1PCS 18650 lithium battery holder 3 slot
2. Can hold 3 pieces 3.7V 18650 batteries.
3. Ideal for electronics applications DIY projects.
4. Design: With output cables, black for —, red for +
5. Takes 3 standard size 18650 batteries side by side to form a compact battery of 11.1V using alkaline batteries.

1. 1 x Battery Charger (18650 batteries are not included)
2. Compact, portable and multi-functional design
3. It can charge 2 batteries at a time
4. Automatically stops when charging has completed
5. Fit for It's suitable for some cylindrical lithium batteries such as 18650, 14500, 16340, 10440, and 26650

1. Plastic retaining clips:The last thing you want to see is the clamp to crack,the springs to pop out or the leads to be insufficiently connected.The plastic clamps is sturdy and flexible,batteries can stay in when held upside down.This is how you know the sides of the holder grip the AAA cells well.Easy to get the batteries in and out of the fixture and very simple design.
2. Contact springs:The contact springs are heavy duty,keep the AA battery slides forward all the way and makes full contact with the positive side terminal.Quality metal joints and flexibility then doesn't push the battery to hard.so it doesn't just snap when faces with stress,won't give too much strain to the back and side walls after fully loaded,no considerable deflection in that case.
3. Comes with wires:Wire are already stripped enough on the end to attach motor and switch.Reduces time and save you from the troble to soldering the bundle.Nice solder joints and the wires don't pull off with any reasonable force.Instead of using a plug,modify it now to a battery with these.They are also fantastic for fixing kids toys,and changing the battery types in toys and such.
4. Easy install:These AA battery holders are of good quality and offer good battery retention.The wiring is long enough to allow tailoring leads to fit a particular installation.Fulfil the job in keeping lights on in your daughter’s dollhouse for a science project.They are easy even for her to use as she had to set up a parallel and series circuit to show she understood how electricity flowed.Great for any science project.
5. Multi-Function:They are super compact,durable and well made.If you have a battery operated wall clock that eats batteries quick,wire it to these bundle so you can charge it effortlessly.Feel free to replace the toy RC car’s original battery pack with your own solution,hot-glued them to the back of the toy,wire them in parallel,and now you got yourself some rechargeable AA batteries supply.

2. Secure Battery Holding: Designed specifically to hold two AAA batteries, offering a snug fit to prevent movement during use.
3. Open Wire Leads: Features open wire leads for easy soldering or connection to external circuits, providing flexibility for different applications.
4. Durable Construction: Made from high-quality, impact-resistant materials to ensure longevity and resistance to wear and tear.
5. Compact Design: Space-saving size makes it ideal for use in tight spaces without compromising on functionality.
6. Versatile Usage: Perfect for DIY projects, prototype development, hobby electronics, and more.
7. High Electrical Conductivity: Ensures efficient power transfer, minimizing power loss and ensuring reliable operation.

• Standard 9V Battery Clip: Compatible with standard rectangular 9V batteries (PP3).
• Pre-soldered Leads: 150mm (15cm) flexible wire leads for easy integration into circuits.
• Durable Construction: Made from high-quality plastic and metal clips for long-lasting performance.
• Color-Coded Wires: Red for positive (+) and black for negative (–) to prevent polarity confusion.
• Secure Fit: Snaps tightly onto battery terminals for a reliable electrical connection.
• Versatile Use: Perfect for breadboard setups, prototyping, educational projects, and circuit testing.

1. Holds single 18650 3.7V cell battery
2. Output current : 3.7V
3. plastic material
4. Convenient to use