DIY Power Station Using 4× Makita 21V Batteries
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Description
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.
Video :
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
🔧 **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 electronic meter (Voltage / Current / Power / Wh)
• 1 × 3-pin 220V AC outlet
• 1 × 2-pin 220V AC outlet
• QC3.0 / PD 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.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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