V5 - DIY Power Station with 4x Makita 21V Batteries, 500W Pure Sine Inverter, Custom 3D Printed Box

Creative Channel

Creative Channel

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This is my new V5 DIY Power Station — upgraded for more power, flexibility, and portability ⚡  
It uses 4 standard Makita 21V batteries, allowing fast swapping and continuous operation. Perfect for DIY, repair work, outdoor use, and emergency backup.

The enclosure is fully designed and 3D-printed by me.  
Inside is a 500W pure sine wave inverter (21V → 220V), delivering clean and stable AC output for tools, fans, lights, laptops and small household devices.

The V5 station includes:
• Dual 220V AC outlets  
• Dual Type-C fast-charge ports (45W / 1 port)  
• 1× USB-A port  
• Separate push-button switches for DC and AC  
• Electronic power meter for V/A/W/Wh monitoring  
• Active cooling  
• Heavy-duty steel carry handle  

🔥 *Main Features*
• Runs household devices up to 500W  
• Hot-swappable Makita batteries  
• Pure sine output for sensitive electronics  
• Clean internal layout, safe wiring, stable operation  
• Compact, strong and ready for field use  
3D File : https://makerworld.com/en/models/2051570

🔧 *Parts List (Components Used):*
• 500W Pure Sine Wave Inverter (21V → 220V)  
• 4 × Makita 21V standard batteries  
• 4 × Makita battery dock connectors  
• 2 × LED push buttons (1 red, 1 green)  
• KWS-AC300 20A electronic meter (Voltage / Current / Power / Wh)  
• 1 × 3-pin 220V AC outlet  
• 1 × 2-pin 220V AC outlet  
• QC3.0 / PD 100W fast-charge module  
• Heavy-duty steel carry handle  
• Fully custom 3D-printed PLA+ enclosure  

V5 DIY Power Station — stronger, smarter, and more versatile than ever.

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