EV Battery Maintenance Tips (Simple, Practical & OEM-Friendly)
Keeping an EV battery healthy isn’t complicated—but consistency matters. These best practices help extend battery life, improve safety, and maintain reliable performance for two-wheelers, fleet vehicles, and light EVs.
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Always use charger provided by the manufacturer and buy replacement charger from authorized dealers only.
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Do not park and charge the battery in the open on a hot day. Park in a shade area during hot days while charging.
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Inspect the battery regularly for any rusting or any wear and tear and report to the dealer immediately in this case.
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Do not use the vehicle immediately after charging, especially on a hot day.
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Park the vehicle in a clean and dry place.
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Do not open the battery pack by yourself.
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Do not leave the battery uncharged for a longer period if the battery is deep discharged.
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In case of an accident, do not continue to use the battery and get the battery inspected for any damages.
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Charge Smart, Not Hard
- Avoid frequent 100% charging unless necessary; aim for 20–80% for daily use.
- Use manufacturer-approved chargers with correct voltage/current limits.
- Don’t leave batteries plugged in for long periods after full charge.
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Control Temperature
- Batteries perform best between 15°C–35°C.
- Avoid parking in direct sunlight for long durations. Ensure ventilation and heat dissipation paths are unobstructed.
- If available, use BMS-controlled thermal protection features.
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Avoid Deep Discharge
- Repeatedly draining the battery to 0% accelerates degradation.
- Recharge when SOC drops to 20–30%.
- Enable low-SOC cutoffs via the Battery Management System (BMS).
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Monitor via BMS Regularly
- Check State of Charge (SOC) and State of Health (SOH) periodically.
- Review alerts for cell imbalance, temperature spikes, or voltage drift.
- Keep BMS firmware updated (OTA if supported).
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Inspect Connections & Wiring
- Periodically inspect terminals for corrosion, looseness, or heating marks.
- Ensure connectors are dry, clean, and properly torqued.
- Never operate with damaged insulation or exposed conductors.
Charge Smart, Not Hard
- Avoid frequent 100% charging unless necessary; aim for 20–80% for daily use.
- Use manufacturer-approved chargers with correct voltage/current limits.
- Don’t leave batteries plugged in for long periods after full charge.
1. Charge Smart, Not Hard
Keeping an EV battery healthy isn’t complicated—but consistency matters. These best practices help extend battery life, improve safety, and maintain reliable performance for two-wheelers, fleet vehicles, and light EVs.
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