2in1 charge discharge board module DIY 18650 lithium battery Power Mobile Bank 3-6V Mini Submersible Water Pump Fixed-focus optical design with 10cm

Fixed-focus optical design with 10cm minimum focus distance eliminates mechanical complexity while supporting macro photography and close-range object detection

Quick-Release Mounting: Tool-free installation and removal allows operators to swap landing gear in field conditions without specialized equipment

and 4K video playback

3D-printed enclosures

100% Authentic Arduino: Sourced directly from authorized distributors with full manufacturer guarantee

2in1 charge discharge board module DIY 18650 lithium battery Power Mobile Bank 3-6V Mini Submersible Water Pump Fixed-focus optical design with 10cm2 in 1 Charge & Discharge Board Module DIY 18650 Lithium Battery Power Mobile Bank Build your own portable power bank or battery powered project with this versatile 2 in 1 charge discharge module from The Engineer Store, Bengaluru. This compact board integrates both charging and boost discharge circuits on a single PCB, allowing you to charge a single 18650 lithium cell via Micro USB and simultaneously output a regulated 5V USB supply. Ideal for