ChatDiagram
CIRCUIT

Rechargeable Table Fan with Solar Charging

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UPDATED 2026-08-03
TYPECircuit
USE-CASERechargeable Fan Circuit
EXAMPLERechargeable Table Fan with Solar Charging
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CASE ANALYSIS

Scenario

A household solar-powered rechargeable table fan where a panel charges a Li-ion battery through a blocking diode, and a manual switch controls the DC motor.

Key decisions

  • Use of a 1N4007 blocking diode to prevent reverse current from battery to solar panel at night.
  • Inclusion of a 2A fuse for overcurrent protection on the battery line.
  • Simple SPST switch to toggle the fan motor, keeping the circuit minimal and easy to assemble.

When to reuse this

Suitable for small off-grid cooling devices, emergency fans, or DIY portable fan projects with solar charging capability.

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