The BP320 3S 12V 18650 PCM Plate is a 20A battery protection circuit designed for 3-series lithium-ion packs (11.1V–12.6V). It ensures safety through overcharge, over-discharge, short circuit, and overcurrent protection, making it ideal for high-drain 18650 battery-powered applications.

The BP325 3S 12V 18650 PCM Plate is a 25A protection module for 3-series lithium-ion packs (11.1V–12.6V). It provides overcharge, over-discharge, short circuit, and overcurrent protection, ensuring safe, stable, and long-lasting battery performance in high-drain devices and DIY power projects.

The BP420 4S 20A 18650 Lithium Battery Protection Board safeguards four-cell lithium-ion packs with overcharge, over-discharge, and overcurrent protection. Supporting up to 15A continuous and 20A peak current, it ensures safe, stable, and efficient operation for high-power devices, DIY battery packs, and energy systems.

The FT232 USB-TTL module, powered by the FT232RL chipset, offers reliable USB-to-serial communication. Supporting 3.3V and 5V logic, it includes RX/TX indicators, overcurrent protection, and a compact design. Ideal for Arduino, microcontrollers, and embedded systems requiring seamless UART-to-USB connectivity in prototyping, testing, or programming.

The AA259 timing delay switch module offers flexible automation with wide voltage support (6–30V) and micro USB 5V input. Featuring dual MOSFET control, user-friendly interface, and auto parameter saving, it is ideal for timing control in DIY electronics, automation projects, and power management.

The AA115 Micro SD Card Module enables seamless data storage and retrieval for microcontrollers via SPI interface. Supporting MicroSD and MicroSDHC cards up to 32GB, it features a 3.3V regulator, low power consumption, and direct compatibility with Arduino, making it ideal for embedded applications.

The NA065 150W Step-Up DC-DC Converter efficiently boosts input voltages from 10–32V to adjustable outputs of 12–35V. With up to 10A continuous current and 150W power, it features overcurrent handling, onboard LED indication, and a multi-turn potentiometer for precise voltage regulation.

The MT3608 Step-Up Power Module efficiently boosts input voltage with up to 93% efficiency and a 2A maximum output. Featuring a 25-turn potentiometer for precise voltage adjustment, it provides stable performance in compact, low-cost designs, making it ideal for DIY power projects.

The BP430 4S 30A PCM ensures safe, reliable lithium battery management with overcharge, over-discharge, short-circuit, and overcurrent protection. Compact at 46×60×3.4 mm, it supports balanced charging and continuous 30A discharge, ideal for drills, sprayers, LED lighting, and low-power inverters.

The BPVT 1-8S LiPo Battery Voltage Tester monitors individual cell and total pack voltage from 0.5–36V. With a built-in buzzer alarm for low-voltage alerts, it ensures safe operation of LiPo, Li-ion, LiFe, and LiMn batteries, making it ideal for RC applications.

The LM2596D DC-DC step-down power supply delivers efficient voltage regulation with an input range of 3–40V and adjustable output from 1.25–37V. Featuring a built-in digital voltmeter and switchable input/output display, it provides stable performance up to 2A for DIY and electronic projects.

The XL4015 DC-DC adjustable step-down module efficiently converts 4–38V input to 1.25–36V output with up to 96% efficiency. Supporting up to 5A current, it is compact and reliable, making it suitable for lithium chargers, power supply adjustments, and various DIY electronics applications.