This guide explains how to use your Foil Drive 43V charger, including compatibility, charging modes, indicator lights, and common troubleshooting steps. 

Compatibility

The 43V charger is only compatible with:

• Foil Drive 43V batteries

 Not compatible with:

• Gen2 batteries
• Any non-Foil Drive batteries

This is because the charger and battery communicate via a built-in BMS handshake system

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Charging Behaviour (Important)

• Slow charge 0 → 5%
• Charging is fast from 6% → ~90%
• After ~91%, charging slows down significantly
• At 98–99%, the charger trickles the final charge

Tip: If you're in a hurry, you can safely unplug at ~98–99% and ride.

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Power Requirements

To operate correctly, the charger must be plugged into:

• A 100–240V AC power supply
• A surge-protected outlet
• A power source capable of handling ~650W draw

     Avoid:

• Cheap DC-to-AC inverters (non–pure sine wave)
• Low-quality or unstable generators

These can prevent the charger from functioning properly or cause errors.

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 How to Charge Your Battery

1. Plug the charger into power
   • The charger will show a flashing yellow light (standby mode)
2. Connect the charger to the battery
   • Ensure the connector is aligned correctly (this can damage the charger)
   • Do not force the plug 
3. Charging will begin automatically
   • The fan will turn on
   • The light will switch to flashing green (charging)
4. Charging complete
   • The light becomes solid green

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Storage Charge Mode (60%)

The 43V charger includes a storage mode to protect battery health. 

How it works:

• Charges battery to ~60% only
• Ideal for long-term storage

How to use:

1. Press the button on the charger
   • Button OUT = Normal charging (100%)
   • Button IN = Storage mode (60%)
2. Plug in battery
3. Charger will stop automatically at ~60%

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LED Indicator Guide 

Tip: This guide is also on the side of your charger.

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Charger Storge Guidelines

The charger is IP66 rated, meaning it is splash-resistant—but not waterproof.

Best practices:

• Keep in a cool, dry place
• Allow airflow (fan must ventilate heat)
• Store out of direct sunlight

Avoid:

• Leaving it in hot cars or direct sun
• Covering it while charging
• Exposure to heavy rain or submersion

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Troubleshooting

Charger not working or not charging?

Try this reset:

1. Unplug the charger from power
2. Wait at least 10 seconds
3. Plug it back in
4. Wait ~15 seconds for system handshake

This resolves most issues (≈99%)

Charger in standby but not responding?

If left idle too long, the charger may go into sleep mode/dormant.

Solution:

• Power cycle (same steps as above).

View and download the 43V Standard Charger User Manual here 

As always, if you have any questions, please reach out to us at [email protected]

Happy Foil Driving!