SOLAR POWER
Off-Grid Solar E-Bike Charging System
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CASE ANALYSIS
Scenario
A bikepacker uses a 200 W folding solar panel to charge a 36 V 10 Ah e-bike battery off-grid. The circuit protects the panel with a fuse, prevents reverse current with a diode, regulates charging via an MPPT controller, and includes a fused battery output with disconnect switch.
Key decisions
- Add series diode to prevent battery discharge into the panel at night.
- Use MPPT charge controller between panel and battery for efficient 36V charging.
- Include fused output switch to isolate the e-bike charger/load.
When to reuse this
Reusable for portable solar charging stations, small off-grid EV battery maintenance, or any 12-48V solar-to-battery system with user disconnect.
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