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Product Introduction
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DIY Hand-Cranked 3-Phase Brushless Pure Copper Coil Generator, Supercapacitor Energy Storage, 5V USB Emergency Output, Multi-Function Outdoor Survival Gear with Free USB Light & Lighter Attachments
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Handcrafted CNC machined aluminum hand crank dynamo delivers reliable off-grid power without disposable batteries. Equipped with built-in high-lumen COB flashlight and stable 5V USB power output, this compact survival generator is engineered for blackout emergencies, camping, DIY electronic experiments and collector display, no charging cables or external power required—just crank to generate usable electricity instantly.
✨ Core Premium Features
1. Heavy-Duty 3-Phase Brushless Pure Copper Generator Core
- High-efficiency pure copper winding motor with zero brush wear, encased in full CNC machined aerospace aluminum alloy housing for impact resistance and long service life. Smooth hand crank operation: 0.56A output at 2 rotations/sec, peak 0.8A at 3 rotations/sec, steady 5V 1A regulated USB power for emergency phone top-ups.
2. Maintenance-Free Supercapacitor Energy Storage System
- 3×20F large-capacity supercapacitors replace traditional lithium batteries, fully eliminating overcharge/over-damage risks. Supports long-term idle storage without capacity decay, no routine maintenance needed. 2 minutes of continuous cranking stores enough energy to power onboard flashlight for 10–20 mins, included USB bulb for 20–30 mins, and USB lighter for tens of seconds of ignition.
3. Integrated High Bright COB Tactical Flashlight
- Built-in optical lens COB lamp delivers focused strong beam for night navigation, blackout lighting and trail exploration, controlled by independent push button switch, separate from power output function.
4. Compact Pocket-Sized Portable Build
- Mini footprint same as a cigarette pack (10×6.8×3.4cm), total weight only 280g, easy to slip into backpack, hiking pouch or car glove box. Foldable metal hand crank stows flush against the aluminum body for hassle-free transport.
5. Multi-Purpose Off-Grid Functionality + Free Bonus Accessories
- USB LED mini bulb: Portable secondary light source for tents & indoor power failures
- USB electric lighter: Windproof emergency fire starter for camping & wilderness survival Wide usage scenarios: Outdoor camping, hurricane/blackout emergency backup, student electronic DIY experiments, stress relief hand crank toy, industrial machinery & tech collector display piece.
🎯 Why Choose Our Hand Crank Dynamo Generator?
- Zero Dependency On Batteries/Grid: Generate power anywhere anytime with only manual cranking, ultimate survival gear for natural disaster preparedness.
- Long Service Life Supercapacitor Design: No aging lithium cells, safe for years of storage without degradation.
- Solid CNC Aluminum Construction: Far more durable than cheap plastic crank generators, premium industrial texture for collectors.
- All-In-One Multi Tool: Combines power bank, flashlight, tent light, fire starter & educational physics demo unit in one compact device.
Specifications
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Generator Type: Three-phase brushless, pure copper coil
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Shell Material: All CNC machined aluminum alloy
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Energy Storage: 3 x 20F high-density supercapacitors
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Regulated Output: USB 5V 1A stable DC
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Hand Crank Output: 0.56A (2 rpm), maximum 0.8A (3 rpm)
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Built-in Lighting: COB LED with optical focusing lens
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Overall Dimensions: 10cm × 6.8cm × 3.4cm
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Net Weight: 280g
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Energy Storage Operating Time (2 minutes hand crank): Built-in flashlight: 10-20 minutes; USB bulb: 20-30 minutes; USB cigarette lighter: tens of seconds
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Main Advantages: Overcharge/over-discharge protection, long-term storage, maintenance-free
AFTER SALE SERVICE
- We offer a 100% satisfaction guarantee, a 30-day money-back guarantee.
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- We strive to make our customers 100% satisfied with the product you have purchased. Please don't hesitate to email us with any questions or problems and we will help you right away.
- Tip: Buying 2 products or more at the same time will save you quite a lot on shipping fees.
THIS PRODUCT IS A LIMITED PRODUCTION AND IS NOT AVAILABLE IN STORES. WILL SELL OUT FAST!
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