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$108.99
Manual Hand Crank Generator, 20W Portable Hand Crank Charger — image 1
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Manual Hand Crank Generator, 20W Portable Hand Crank Charger

★★★★★
$108.99
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About this item
  • Backup power supply: backup power supply that can be powered manually and rechargeable.In the absence of electricity and oil, anywhere in the world, labor can be used to power various types of power
  • Multiple voltage settings: It offers various voltage settings such as 3V/6.6A, 5V/4A, 6V/3.3A, 9V/2.2A, 12V/1.6A, and 15V/1.3A (Note: The current values listed are no-load currents; actual current will vary depending on the battery capacity of the charging device), accommodating the charging needs of different devices
  • Tough Housing: Built with durable metal shell, this crank generator features waterproof, shockproof and salt‑fog resistant properties, maintaining stable power output in high‑altitude and low‑temperature surroundings
  • Eco‑friendly Output: Adopting high‑efficiency permanent magnet design, this hand crank charger reaches max power around 20W. Energy‑saving construction outperforms bulky conventional generators for outdoor power demands
  • Handy Compact: Measuring 127 × 86 × 88 mm for easy transport and storage, this portable hand crank charger comes with non‑slip feet and ergonomic labour‑saving handle, ideal for camping and outdoor activities
Product description

Description Many outdoor explorers still worry about their cell phones or cameras suddenly running out of power during wilderness trips, but this manual crank generator offers a practical solution to that problem. The device adopts a manual-cranking method to generate electricity, and this process remains simple and fast for people to use. The product also features a lightweight, compact design that makes it easy to carry, and this combination of qualities makes the product an ideal partner for outdoor adventures. Whether you need power for a camping trip or require emergency electricity at home, this product serves as a great energy source. Details Labor-Saving Shaft Core: The shaft core powers the hand-cranking mechanism of this generator. This component works with high efficiency, and its design requires less physical effort from users while providing consistent power output. Sturdy Base Feet: These feet make the product stand firmly on the ground, and they prevent the product from slipping or moving during hand-cranking. Application It can be used as an emergency power source to charge various kinds of electronic products in the absence of utility power and oil power generation. It can be actively applied in the state of field operations, field trips, rescue operations, natural disasters, survival training, emergency communication, long-term power shortages, traveling, and emergency power. It is mainly for low-power communication radios, walkie-talkies, laptops, cell phones, video cameras, digital cameras, MP4, MP3, radios, flashlight lighting, various lamps, automobiles, various kinds of measuring instruments, and other portable products. It can directly charge various batteries such as lithium batteries, hydrogen batteries, and lead-acid batteries. Specifications Model: F20 Color: Blue Material: Metal Style: Modern Shape: Rectangular Mount Type: Freestanding Assembly Required: Yes Operation Mode: Manual Maximum Direct Output Voltage: Approx. 28V No Load Output Voltage/ Current: 3V/6.6A, 5V/4A, 6V/3.3A, 9V/2.2A, 12V/1.6A, 15V/1.3A (The Actual Current will Vary with the Capacity of the Charged Product Battery.) Maximum Power: About 20W Product Size: 12.7*8.6*8.8cm/5*3.39*3.46in Package Size: 19*10*12cm/7.48*3.94*4.72in Gross Weight: 0.82kg/1.81lbs Package Included ‌1* Manual Crank Generator 1* Handle 1* English Manual Notes 1. The faster the shaking speed of the product, the greater the power generation, with a maximum power generation of about 20W. The faster the shaking speed, the higher the voltage at the unstable output terminal. If the shaking speed is too slow, it will not be able to stabilize the output. 2. Please read the instruction manual completely before use, and pay particular attention to the safety instructions included. 3. Please note that it does not store electricity internally. 4. Please crank the generator clockwise, and do not crank the handle at high speed when connecting electrical appliances smaller than 3W! 5. Please note that its USB port output voltage follows the regulator switch linkage, when using the USB interface, be sure to first set the regulator switch to 5V. 6. The voltage output from its voltage regulator output terminal follows the linkage of the voltage regulator switch, and its voltage regulator output terminal will output as much as the voltage regulator switch is set to. 7. The direct output of the generator outputs the voltage of the core generator. According to the unstable voltage output based on the hand-cranking speed, the faster the speed, the higher the voltage.

Product details
Brand
Amrgtucf
Manufacturer
Amrgtucf
Model number
Crank Generator
Part number
Crank Generator

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
★★★★★
Excellent
4.5 average rating
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S
Sigalit
🇮🇱 · January 2026
★★★★★

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
🇦🇺 · November 2025
★★★★★

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1–2 of 10 reviews

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