18650 2200mAh 3.7v Cylinder Rechargeable Li-Ion Battery The Li ion 18650 Cylindrical rechargeable battery boasts several advantages over NiMH batteries, including a lack of memory effect and a longer storage life. Additionally, This battery has a higher energy density and is lighter weight than any other rechargeable battery. With a capacity of 2200mAh, this Li ion battery has a high energy density and weighs less than other rechargeable batteries. It has been tested to the International Electro technical Commission (IEC) Standard to ensure its capacity, quality, and lifetime. This Li ion battery is suitable for a variety of applications, including powering lighting or other devices that require 3.7V power, building portable power devices that need high energy density and low weight, and powering laptops, lithium-powered flashlights, lasers, microcontroller projects, robots, MP3 players, mobile phones, power banks, and other portable power devices.

18650 3 Cell holder charger without cover This is a Black Plastic Storage Case for holding 3 x 18650 batteries, sold without a cover. The case helps organize and protect your batteries. It features leads for easy soldering and connection. This holder is ideal for devices that require an 11.1V external battery. Note: The 18650 Li-Ion batteries are compatible with this holder but must be purchased separately. Features Holds three 18650 batteries. Simple installation and user-friendly design. Made from durable, high-quality plastic.

18650 3.7V 3800mAH Rechargeable Lithium Ion Battery with Header (Pack of 2) The 18650 3.7V 3800mAh Rechargeable Lithium Ion Battery with Header (Pack of 2) is a reliable power source for devices that need 3.7V and high capacity. These batteries are commonly used in items like vape devices, flashlights, and hobby transmitters. With a 3800mAh capacity, they offer long-lasting power. The batteries are tested to ensure they are in good condition and ready for use. This pack includes two batteries, making it a great choice for various projects.

18650 Battery Holder V3 Development Board 4-Cell Module Compatible with Raspberry Pi 3 This 4-cell 18650 Battery Holder V3 Development Board is designed to turn standard 18650 Li-ion cells into a reliable and portable power source for your projects. \With built-in overcharge, overvoltage, undervoltage, and overcurrent protection, it ensures safe and stable performance at all times. The board supports both 5V/3A and 3V/1A output modes, allowing you to power a range of electronics with confidence. Whether you’re building portable devices, IoT setups, or field-deployable prototypes, this module offers excellent versatility. It includes a micro-USB charging port, efficient power conversion (up to 95%), and a convenient voltage switching button. The board is fully compatible with Raspberry Pi 3, making it a dependable choice for makers, developers, and hobbyists working on power-independent applications. Features: Supports dual voltage outputs, 5V/3A for high-power devices and 3V/1A for low-power circuits, making it suitable for a wide range of electronics. Includes a built-in lithium battery protection IC, offering overcharge, overvoltage, undervoltage, and overcurrent protection for safe operation. Offers high conversion efficiency up to 95%, ensuring stable and optimized power performance. Features a micro-USB charging input with a charging current of 600mA–800mA for efficient battery recharge. Designed to hold up to two 18650 batteries, with clear polarity markings to prevent installation errors. Equipped with a voltage switching button for easy toggling between 3V and 5V outputs. Fully compatible with Raspberry Pi 3, making it ideal for portable Pi projects, DIY electronics, and embedded applications.

18650 Battery Spacer Bracket – 1x3 Cell Holder for Lithium Battery Pack Assembly The 18650 Battery Spacer Bracket is a reliable and sturdy solution for securely fixing and organizing lithium battery cells in battery pack assemblies. Made from high-quality ABS+PC material, it offers excellent durability and insulation properties, ensuring your batteries remain stable, protected, and safely spaced during use. This 1x3 configuration bracket is designed for versatility and is widely used in high-power battery packs, including electric vehicles, solar street lamps, and military applications. Its lightweight and compact design make it easy to integrate into different setups while maintaining strong support and thermal isolation for optimal battery performance. Features: Provides secure and stable positioning for 18650 lithium battery cells. Made from high-strength ABS+PC material for durability and heat resistance. Ensures electrical isolation and physical protection between battery cells. Lightweight design (approx. 0.01kg) for easy integration in compact setups. Ideal for assembling battery packs in EVs, solar lighting, and industrial equipment. Snap-fit design allows easy assembly and expansion for custom battery configurations. Suitable for both professional and DIY battery pack building projects.

18650 Dual Battery Holder with Cover and On/Off Switch The Plastic Covered 18650 x 2 Battery Holder with Cover and On/Off Switch is an ideal addition to your battery-powered project. It features a removable sliding cover secured by a small screw, ensuring easy access to the batteries. The holder connects two 18650 3.7V batteries in series, providing a combined output of 7.4V. The fully enclosed cover offers protection against environmental elements, safeguarding the battery cells. An integrated ON/OFF switch allows for convenient control of power to your project. The 15cm leads, with the final 5mm tinned, are ready for easy soldering. This series connection holder keeps your batteries organized and protected, making it perfect for devices requiring a 7.4V external power source. Features Accommodates 2 x 18650 batteries Includes a secure cover with locking mechanism Equipped with an ON/OFF switch Simple installation and user-friendly design Made from durable, high-quality plastic Features pre-soldered wire tips for easy connections

18650 1 Cell Holder This is a 1x battery cell holder for a rechargeable 18650 Lithium-Ion Cell. These battery holders are used to add single lithium cells and have clearly marked with polarity identification to assure proper orientation. It has shrapnel screens to hold the batteries, making the installation and replacement of the battery safe, easy, and reliable. Features Holds a single 18650 battery. Easy install, convenient to use. High-quality plastic material. Applications: Robotics: The 18650 Single Battery Cell Case Holder allows for easy incorporation of 18650 cells into robotics applications by providing a simple way to connect and power devices Prototyping: It is ideal for prototyping projects where a single 18650 Lithium-Ion Cell needs to be securely held and connected, ensuring proper orientation and easy installation DIY Electronics: Commonly used in do-it-yourself electronics projects, the holder facilitates experimentation and modification of circuits by providing a flexible and removable power source Automotive Electronics: In automotive applications, such as key fobs and portable navigation devices, the cell holder enables convenient battery replacement, ensuring uninterrupted operation of electronic components

18650 SMD/SMT Dual Battery Holder The all-new 18650 Dual SMD/SMT High-Quality DUAL Battery Holder is made to handle the higher lithium battery supply voltage with long service life. With the compact size SMD pins, you can mount the holder on your project PCB and power your project without any loose wiring. This battery Holder can hold two 18650 cylinders shaped cells to provide separate supplies from both cells as slots are not interconnected, It means that the holder can be taken into use as a SINGLE battery Holder also. Additionally, you can easily combine two battery power by doing a series or parallel combination connection simply by soldering the contact points of the Holder from outside as per your project needs It has High-quality ABS external / PC material, insert material is bronze pin environmental protection material. The ABS plastic can handle bearable heat which normal plastic can’t and Stainless steel rustproof shrapnel screens with gold plating will hold the batteries tightly, the installation is very convenient to replace the battery, it will not damage the battery and other parts, convenient and fast, safe and reliable.

18650 SMD/SMT Single Battery Holder The brand-new 18650 SMD/SMT Single Battery Holder is a top-of-the-line product designed to withstand high lithium battery supply voltages and provide a long service life. Its compact size and SMD pins make it easy to mount onto your project PCB, eliminating the need for loose wiring. Made with high-quality ABS external and PC materials, this battery holder is incredibly durable. The insert material is made of bronze pin environmental protection material, ensuring the safety of both the battery and the environment. The ABS plastic is capable of handling bearable heat, which typical plastic cannot. The holder also features stainless steel shrapnel screens that securely hold the batteries in place. The installation process is both convenient and safe. The battery can be easily replaced without damaging any other parts of the holder or the project, and the entire process is fast and reliable. Overall, this 18650 SMD/SMT Single Battery Holder is the perfect solution for projects that require a dependable and efficient power source. Features Lightweight and Easy to Mount on PCB Gold plated brass Contact Points Best Body Material and Build Quality Good environmental and Temperature resistance

198 Experiments Electronics Kit This learning kit is perfect for conducting numerous experiments, and it's easy to assemble! The electronics kit comes equipped with 30 parts that allow for various experiments and projects. You can start with basic projects involving electronic lights and switches, and then move on to more complex challenges using the kit's different building targets. The kit offers a wide range of experiments, including propeller flying and a police car simulation with sound and lighting effects, which are sure to bring joy and excitement to everyone involved. The included instructions are precise and step-by-step, and they'll guide your children as they create their own circuits and become small electrical engineers. Through these fun and fascinating projects, your children will learn about the world of electronics and electricity. Get your hands on the 198 Experiments Electronics Kit today! Note : Batteries are not included. Advantages: Improving kids' abilities in theory and execution of circuits Developing practical and hands-on skills Stimulating interest in science through experiential learning Creating memorable experiences through magical light and sound effects Cultivating creative thinking by building circuits freely Exercising concentration while following instruction books Building confidence through successful completion of experiments Enhancing parent-child relationship through the shared enjoyment of experiments.