12V DIY Spot Welder Machine PCB Circuit Board Kit The Faraday 12V DIY Spot Welder Kit is a compact and efficient spot-welding solution designed for makers, hobbyists, and battery-pack builders. Built on a single-chip microcomputer system, this portable spot welder provides stable performance, strong output current, and reliable welding for 18650, 26650, and 32650 lithium batteries. The PCB is designed with widened MOSFET paths and reinforced copper/tin plating options, reducing internal resistance and ensuring higher welding efficiency even during heavy-duty use. Engineered for convenience, the kit includes external pads for connecting LEDs and onboard buttons, allowing flexible placement during assembly. Powered by a 12V rechargeable battery, it’s lightweight, sturdy, and built to deliver long-term durability. Whether you’re assembling battery packs, repairing electronics, or working on DIY energy-storage projects, this spot welder kit offers a powerful and user-friendly solution. Features: Designed with a single-chip microcontroller, ensuring stable, precise control during each welding pulse. Includes external pads for LED and button connections, making it easy to integrate into different DIY setups. Features upper and lower MOS design with bold, tinned tracks that reduce internal resistance and boost current output. Equipped with a rear access window allowing users to add copper or tin for enhanced conductivity. Uses 25V low-ESR high-frequency capacitors for a more stable and reliable power supply. Fully battery-powered 12V system, making it portable and suitable for field or workshop use. Built from durable PCB material, offering resistance to wear and long-term performance. Ideal for welding 18650 / 26650 / 32650 lithium battery terminals. 12V DIY Spot Welder Machine PCB Circuit Board Kit Diagram

iMax B6AC Smart Balance Charger 80W The IMAX B6 80W 6A Charger/Discharger 1-6 Cells is a highly advanced charger that boasts the ability to charge, balance, and discharge various types of batteries including LiIon, LiPoly, LiFe (A123), NiCd, and NiMH. This original iMax B6AC battery charger is microprocessor-controlled, similar to top-of-the-line chargers, and is equipped with the ability to balance individual cells in your Li-XX batteries. With a charging capacity of 0.1 to 6.0A, it can easily charge packs up to 6S. Additionally, This 80W Lipo battery charger for RC batteries features input voltage protection, preventing it from draining your car battery while in the field, and also provides storage charging for your packs when not in use. Its flexibility is further enhanced by the fact that this iMax B6AC 80W smart charger dual power can be powered by any power supply delivering between 11 to 18V. The charger's JST-XH charge plug renders it compatible with Zippy, HXT, Loong Max, and any other pack with a JST adapter. Features Microprocessor controlled Delta-peak sensitivity Individual cell balancing LiIon, LiPoly, and LiFe are capable NiCd and NiMH capable Large range of charge currents Storage charge function Time limit function Portable balance charger Input voltage monitoring (Protects car batteries in the field) Data storage (Store up to 5 packs in its memory) Battery break-in and cycling.

7Semi DC Buck Converter Breakout 3.3V 2A Out (AP62301) (BO-10131) The 7Semi DC Buck Converter Breakout 3.3V 2A Out (AP62301) is a compact power module that converts higher DC voltages into a stable 3.3V output with up to 2A current. It accepts a wide range of input voltages, making it useful for powering low-voltage electronics from batteries, adapters, and other DC sources. This makes it ideal for projects that require a reliable 3.3V supply. Built using an efficient synchronous buck converter design, this board delivers dependable power with minimal energy loss and low heat output. The small form factor allows easy integration into your electronics builds, especially space-constrained and portable systems. Whether you’re working on IoT devices, embedded controllers, or sensor systems, this converter provides a simple and efficient power solution for your 3.3V needs. Features: Provides a stable 3.3V output with up to 2A continuous current Accepts a wide DC input voltage range for flexible power sources High-efficiency synchronous buck converter design Low heat generation for efficient and safe power delivery Compact breakout board for easy integration and prototyping Ideal for IoT devices, embedded systems, and battery-powered projects Suitable for powering microcontrollers, sensors, and communication modules

7Semi DC Buck Converter Breakout 3.8V 2A Out (AP62301) (BO-10132) The 7Semi DC Buck Converter Breakout 3.8V 2A Out (AP62301) (BO-10132) is a compact power module designed to step down higher DC voltages to a stable 3.8V output with up to 2A current. It supports a wide input voltage range, making it suitable for use with batteries, adapters, and other DC power sources in low-voltage electronics. Built on an efficient synchronous buck converter design, this module delivers reliable power with minimal heat and energy loss. Its small size makes it ideal for space-constrained projects such as IoT devices, embedded systems, and portable electronics. Whether you’re prototyping or building a final product, this buck converter offers a simple and dependable power solution. Features: Provides stable 3.8V output at up to 2A continuous current Accepts a wide DC input range for flexible power sources High-efficiency synchronous buck converter design Low heat generation for efficient power use Compact breakout board for easy integration Ideal for IoT, battery-powered, and embedded electronics Suitable for microcontrollers, sensors, and small devices

7Semi DC Buck Converter Breakout 5V 2A Out (AP62301) (BO-10133) The 7Semi DC Buck Converter Breakout 5V 2A Out (AP62301) is a small power module that converts higher DC input voltages into a steady 5V output with up to 2A current. It allows you to power 5V-based electronics from a wide range of DC power sources such as batteries and adapters. This makes it perfect for projects that need a reliable 5V supply. Built with an efficient synchronous buck converter design, this module delivers stable power while keeping energy loss and heat to a minimum. Its compact size makes it easy to add to space-limited electronics projects like IoT devices, microcontroller boards, and portable systems. Whether you’re building sensors, development boards, or embedded systems, this buck converter gives you a simple and dependable way to get 5V power. Features: Provides a stable 5V output with up to 2A continuous current Accepts a wide range of DC input voltages for flexible power sources Efficient synchronous buck converter design for low power loss Low heat generation for cool and reliable operation Compact breakout board for easy integration and prototyping Ideal for powering 5V microcontrollers, sensors, and IoT devices Perfect for embedded systems, portable electronics, and hobby projects

7Semi DC-DC Buck Converter 7V-40V Input to 5V 5A Output- AP64500 (BO-10188) The 7Semi DC-DC Buck Converter 7V–40V Input to 5V 5A Output – AP64500 (BO-10188) is a high-power voltage regulator module designed to convert higher DC input voltages into a stable 5V output with up to 5A current. Its wide input range makes it suitable for many power sources, including batteries and industrial supplies, where reliable 5V power is needed. Built around the efficient AP64500 synchronous buck converter, this module delivers stable output with low heat and high efficiency, even under heavy load. It is well suited for powering microcontrollers, single-board computers, sensors, and communication modules. Whether you’re building robotics, automation systems, or advanced electronics projects, this buck converter provides dependable and efficient power management. Features: Wide input voltage range: 7V to 40V DC Stable 5V output with up to 5A continuous current High-efficiency synchronous buck converter using AP64500 Low thermal loss and reliable performance under load Compact breakout module for easy project integration Built-in power protection features for safe operation Ideal for microcontrollers, SBCs, IoT and embedded systems Suitable for robotics, automation, and power supply projects

MAX17048 Li-Poly Li-Ion Fuel Gauge Breakout Board Mini - 7Semi The 7Semi MAX17048 Li-Poly/Li-Ion Fuel Gauge Mini Breakout is a highly compact and efficient module designed for monitoring single-cell lithium-ion or lithium-polymer batteries. Powered by the MAX17048 IC, it delivers precise state-of-charge (SoC) readings without the need for an external current-sense resistor, simplifying design and saving space. The module features an I2C interface for effortless communication, making it easy to integrate into a variety of microcontroller-based projects. Ideal for portable electronics, this breakout board offers real-time battery monitoring, enhancing system reliability and performance. Features: Accurate SoC Monitoring: Uses MAX17048’s fuel gauge algorithm for real battery percentage readings. Microcontroller Friendly: Compatible with Arduino, Raspberry Pi, and more. Dual Voltage Support: Operates with both 3.3V and 5V logic levels. Simple Integration: Easy battery hookup and I2C interface for quick setup.

7Semi MAX17048 LiPoly - LiIon  Battery Fuel Gauge Breakout Module The 7Semi MAX17048 LiPoly - LiIon  Battery Fuel Gauge Breakout Module is a reliable and easy-to-use battery fuel gauge module built for accurate monitoring of single-cell lithium batteries. Using the MAX17048 IC, this single-cell lithium battery monitor delivers precise state-of-charge and voltage measurements without the need for a current-sense resistor, simplifying circuit design. With its I2C interface, the board integrates smoothly with microcontrollers, making it perfect for real-time battery tracking in portable devices, IoT applications, and DIY electronics projects. Features: MAX17048-based battery fuel gauge module for accurate SoC measurement Supports Li-Ion and Li-Poly single-cell lithium battery monitoring No current-sense resistor required for simplified design I2C communication for easy microcontroller integration Compact breakout board suitable for portable and IoT projects Benefits: Streamline your process: Avoid project delays and time-consuming guesswork with instantaneous battery % monitoring. For seamless and effective operations, know precisely when it's time to recharge. Advanced surveillance without the trouble: These intricate battery calculations are handled by the sophisticated MAX17048 microcontroller, which provides you with extremely precise data without requiring any programming or analysis on your behalf. All-purpose compatibility for every project: Whether you're using Arduino, Raspberry Pi, or other well-known microcontrollers, you can easily incorporate this board into your configurations. For optimal versatility across many systems, it supports both 3.3V and 5.0V logic levels. Optimize battery life by tailoring low-power modes and alarms to your specific project requirements, making the most of your LiPo batteries for extended runtimes. Go beyond simple voltage measurements: The MAX17048 offers a reliable, real-time state-of-charge percentage, so you can learn the truth about the condition of your battery.

7Semi TPS631000 DC-DC Buck Boost Converter 1.6V-5.5V In 3.3V 1.5A Out The 7Semi TPS631000 DC-DC Buck Boost Converter is a versatile and efficient DC-DC Buck Boost Converter module designed to deliver a stable 3.3V output at up to 1.5A from input voltages ranging between 1.6V and 5.5V. Whether your voltage source is above or below 3.3V, this converter ensures a reliable and consistent power supply, solving the common challenge of fluctuating input voltages in battery-powered and embedded systems. This compact module uses the high-performance TPS631000 controller to provide efficient power conversion with minimal loss, making it ideal for microcontrollers, sensors, communication modules, and portable electronics. Its broad input range and stable output make it perfect for students, hobbyists, and professionals working on IoT devices, robotics, wearables, and other projects that require dependable 3.3V power under varying supply conditions. Features: Wide 1.6V–5.5V input range, compatible with batteries and varied power sources Adjustable output voltage from 1.2V to 5.3V for flexible designs High output capability: up to 2A (VIN ≥ 3V) and 1.5A (VIN ≥ 2.7V) with 3A peak switch current Ultra-low 8 µA quiescent current for excellent energy efficiency Automatic buck, boost, and buck-boost mode switching for stable output Compact, reliable design ideal for space-constrained and precision applications

11.1V 2200mAh 35C 3S1P Bonka Lipo Battery The Bonka 11.1V 2200mAh 35C 3S LiPo Battery for drones is a little powerhouse with a large 2200mAh capacity that operates at 11.1V, which provides the dependability and longevity you need for high-flying adventures. What actually differentiates this lithium polymer battery is its exceptional discharge rate of 35C continuous and up to 70C burst. This means you'll receive smooth, powerful performance for sharp bends and rapid acceleration. This drone LiPo battery is set up as a 3S1P system. For convenience, This drone battery comes with a JST-XH balance plug to keep everything in check and an XT60 discharge plug for a secure connection. Plus, it supports a charge rate of 1-3C. This 2200mAh LiPo battery is made for high-performance applications including drones, aircraft, RC boats, and RC automobiles. If you want top-notch performance and dependability, this 3S LiPo battery is an excellent choice! Balance and charge your batteries with the iMax B6AC 80W . Safety Precautions for Lithium Polymer Battery : In order to maintain the efficiency and battery life of the LiPo drone batteries, avoid overcharging or over-discharging them. LiPo batteries must not be kept near hot devices, surfaces, or substances. This can lead to severe damage and/or fire. To avoid environmental damage, do not throw the Lithium Polymer batteries into water or fire. Never leave this battery on charge unattended. Browse the exclusive collection of Lipo Batteries . Read our blog Li po vs Li ion battery where we explained what Lithium-ion and lithium-polymer batteries are, their specifications, advantages, and disadvantages Features: Capacity: 2200mAh Voltage: 11.1V Discharge Rate: 35C (continuous), 70C (burst) Configuration: 3S1P Chemistry: Lithium Polymer Balance Plug: JST-XH Discharge Plug: XT 60 Applications for this product : LiPo batteries can be used in RC Cars Quadcopters RC aeroplanes Power various small low-powered embedded devices.