The BP2/3/4 Series 18650 PCM Charger C-Type modules deliver efficient charging with wide input compatibility and 1A output. Featuring booster functionality, safety protections, LED indicators, and compact construction, they ensure reliable lithium battery charging for multiple series packs in DIY electronics, power banks, and portable devices.

The VM56G 0.56" digital voltmeter is a compact, lightweight module for monitoring DC voltages from 4.5V to 30V. Featuring a bright green LED display and matt-finish glass for clear daytime visibility, it’s reliable, easy to use, and ideal for DIY electronics and power supply projects.

The AA570 power bank module supports Micro USB and Type-C inputs with NTC protection for safe charging. It delivers up to 22.5W output, supports multiple fast-charging protocols like PD3.0, QC4+, and VOOC, making it a versatile solution for efficient mobile power applications.

The BP320T is a 3-series 18650 lithium battery PCM plate designed for 11.1V/12.6V packs. With 20A capacity, it provides overcharge, over-discharge, and overcurrent protection. Operating between -20°C and +60°C, it ensures safe, efficient, and reliable performance for high-current lithium battery applications.

The NA3712 is a compact DC-DC boost converter that steps up 3.7V–12V input to stable 5V, 8V, 9V, or 12V outputs. With up to 1A output current and efficiency above 90%, it’s ideal for portable devices, DIY electronics, and power supply projects.

The TP4056BC is a compact boost and charge module for 18650 batteries with USB Type-C input. It supports 4.5–8V input, adjustable output up to 27V, 1A charging, and 2A discharge. Equipped with overshoot protection, it ensures efficient and safe battery charging.

The USBDEC Trigger Decoy Board supports QC, PD, and AFC fast charging protocols with output options from 5V to 20V. Compact and efficient, it offers 100W capability, DIP switch voltage adjustment, built-in protection, and a durable FR4 PCB for stable performance.

The XL4016P XH-M401 DC-DC buck converter efficiently steps down 8V–36V input to 1.25V–32V adjustable output. With up to 96% efficiency, it includes thermal shutdown, current limit, and short-circuit protection, ensuring excellent stability, load regulation, and safe operation for diverse electronic applications.

The AB011 Active Buzzer Module generates clear alert tones for electronic projects, operating from 1.5V to 15V DC with low current consumption. Widely used in alarms, computers, toys, timers, and more, it offers reliable sound output in the 1.5–2.5kHz range.

The AB012 Passive Buzzer Module operates on 1.5–15V DC, consuming under 25mA. Designed for electronic projects, it produces tones in the 1.5–2.5kHz range. Lightweight and compact, it is widely used in alarms, timers, toys, and embedded systems for sound alerts.

The VM56R/VM56D 0.56" digital voltmeter measures 0–100V DC with a bright red LED display. Featuring reverse polarity protection and three-wire connection, it ensures safe and accurate readings with 0.1V precision. Compact and reliable, it’s ideal for electronic projects, DIY power monitoring, and testing.

The AA312 DIY mobile power module is designed for 18650 lithium batteries, offering dual USB output (5V/2.1A & 5V/1A) with stable voltage and current. Equipped with overcharge, over-discharge, and overcurrent protection, it ensures safe charging. Features include intelligent display and compact size for portable use.