Power Energy Dynamotor For Charging Testing Teaching Dc Miniature Hand-Cranked

• Small 12v electric generator No need for external power, water or wind can generate electricity, low noise and stable operation. Smooth surface hand-cranked generator, no rust, no obvious scratch. Compact size, light weight, easy to use.
• Smooth surface hand-cranked generator, no rust, no obvious scratch. Compact size, light weight, easy to use.
• Energy dynamotor can be used for backup lighting power supply, charging, testing, teaching, hydraulic generator, etc.
• Portable hand-cranked generator can be used as emergency power supply. It can be powered by human hand to supply various electronic products.
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