10-inch FPV frame with 427mm wheelbase for stable flight
Premium carbon fiber twill, matte finish construction
Strong, lightweight & crash-resistant design
Supports FPV racing, freestyle & long-range builds
Easy assembly with modular Mark4 V2 design
【Arduino UNO SMD R3 (CH340G)】
✔️ 100% compatible with original IDE & shields
✔️ ATmega328P microcontroller (SMD version)
✔️ CH340G USB chip for reliable connectivity
✔️ 14 Digital I/O, 6 PWM, 6 Analog Inputs
✔️ Ideal for robotics, IoT, and STEM education
✔️ Free tech support
Features:
Application:
✔ Makita-Compatible Design – Perfect replacement for 21V Makita-style battery packs
✔ Advanced Temperature Protection – Prevents overheating & thermal runaway
✔ Multi-Protection Circuit – Overcharge, over-discharge, short-circuit, and current overload protection
✔ Universal Application – Works with DIY power tools, e-bikes, and custom battery packs
✔ Multi-Voltage Support – Works with 5V, 12V, and 24V DC power supply
✔ 9-Way Terminal Block – Distributes power to multiple devices (CCTV, LED strips, switches)
✔ Durable PCB Board – High-quality material for stable power distribution
✔ Easy Wiring – Screw-type terminals for secure and hassle-free connections
✔ Compact & Efficient – Ideal for CCTV systems, LED lighting, and power supply boxes
✔ Wide Application – Perfect for home, office, and industrial electrical projects
The PYSP370-XA is a high-performance 370 motor-driven micro diaphragm pump engineered for precision fluid handling. Featuring advanced EPDM/Viton seals and a reinforced corrosion-resistant housing, this pump is specifically designed to handle aggressive fluids including dilute Hydrochloric Acid (HCl), Sodium Hydroxide (NaOH), detergents, and laboratory reagents.
Voltage Flexibility: Optimized for DC 6V to 12V power supplies.
Chemical Durability: Superior resistance to acids, alkalis, and polar solvents.
Compact & Reliable: Self-priming design with low noise, ideal for medical diagnostics, chemical dosing, and automatic dispensers.
Customizable material options are available to match your specific PH requirements.
【Arduino UNO SMD R3 (CH340G)】
✔️ 100% compatible with original IDE & shields
✔️ ATmega328P microcontroller (SMD version)
✔️ CH340G USB chip for reliable connectivity
✔️ 14 Digital I/O, 6 PWM, 6 Analog Inputs
✔️ Ideal for robotics, IoT, and STEM education
✔️ Free tech support
Features:
Application:

⚡ High-Power Adjustable DC Voltage & Current Regulator
Heavy-duty 600W DC-DC buck converter with constant voltage (CV) & constant current (CC) control. Supports 12–75V input, up to 25A output, ideal for battery charging, power supplies, and industrial applications.
✔ 600W High Power Output
✔ Constant Voltage & Constant Current
✔ Wide Input Range (12–75V DC)
✔ Precise Voltage & Current Adjustment

⚡ Turn Any ATX PSU into a Bench Power Supply
20/24-pin ATX power supply breakout module with USB fast charging, Type-C output, and adjustable voltage terminals. Ideal for electronics testing, repair, and DIY labs.
✔ Supports 20-Pin & 24-Pin ATX PSU
✔ USB 5V Fast Charging
✔ Type-C Output Support
✔ Multiple Voltage Outputs

⚡ Smart Power Bank Controller Board
High-efficiency 22.5W fast-charging power bank motherboard with TFT color digital display, supporting PD & QC quick charge protocols and ternary lithium battery packs.
✔ PD & QC Fast Charging
✔ TFT Color Digital Display
✔ Supports Ternary Li-ion Cells
✔ Ideal for DIY Power Banks

🔒 Secure & Stable Mounting for 18650 Battery Cells
Durable plastic battery holder bracket designed to firmly hold 18650 cylindrical Li-ion cells, providing anti-vibration protection, proper spacing, and enhanced safety for battery pack assemblies.
✔ Prevents Cell Movement
✔ Anti-Vibration & Shock Resistant
✔ Ideal for Battery Packs & DIY Projects
✔ Clean, Organized Cell Layout

⚡ Reliable Battery Pack Welding Solution
Premium nickel-plated steel strip designed for 18650 Li-ion battery pack assembly.
High tensile strength, low resistivity, and excellent weldability make it ideal for spot welding, DIY battery packs, EV batteries, power tools, and electronics manufacturing.
✔ 10-Meter Roll
✔ Strong & Durable
✔ Clean Spot Weld Performance
✔ Suitable for Professional & DIY Use


7.4V Li-ion rechargeable battery pack (Model: MK-0004A) providing stable power, long life, and safe performance. Ideal for electronic devices, DIY projects, and portable applications.
High-capacity HONGZI 3.7V 5000mAh 18650 Li-ion rechargeable battery with a flat top design. Reliable and long-lasting power source ideal for flashlights, electronics, and portable devices. Durable, safe, and perfect for high-drain applications.

Wide voltage range: 9V–99V support
High current output: up to 40A adjustable
Auto charge–discharge cycle testing
Accurate capacity & aging analysis
Ideal for EV, solar & lithium battery packs
Precision-fit frame for APEX HD 7 FPV camera
Protects camera from impact & vibration
Lightweight, durable structure for racing drones
Maintains stable camera angle during flight
Ideal for FPV racing, freestyle & long-range builds

13-inch FPV frame for long-range & heavy-lift builds
Pro-grade carbon fiber twill, matte finish
High-strength design for larger props & payloads
Optimized geometry for stable, low-vibration flight
Modular Mark4 V3 Pro design for easy assembly

Fits 12V 7Ah DIY battery packs
Compatible with 18650 lithium cells
Strong, lightweight ABS plastic case
Secure cell holding & organized layout
Ideal for DIY, robotics & backup power
Color: Orange-Green only

NeoGiga-grade LiFePO₄ chemistry
High capacity 6000mAh (6Ah)
Nominal voltage 3.2V
Long service life 2000+ charge cycles
High discharge capability with stable output
Excellent thermal and chemical stability
Safer alternative to conventional lithium-ion cells
Optimized for series & parallel battery pack assembly

Designed for 8S (24V) LiFePO₄ battery packs
Supports 100Ah – 150Ah capacity
Smart Bluetooth monitoring (Android / iOS)
Active cell balancing for longer battery life
Multi-layer safety protection
High current MOSFET design for stable operation
Ideal for solar, inverter, EV, and energy storage systems