Battery Recharge Time Calculator

Battery Recharge Time Calculator

Estimate charging time for any battery voltage

🔋 Recharge Time Calculator

The Amp-hour (Ah) rating of your battery

Ah

The Amp output of your battery charger

Amps
Estimated Recharge Time
Time to Full Charge
--
hours
Enter values above to calculate

💡 How to Use

Enter your battery's Ah (Amp-hour) capacity and your charger's output current in Amps. For series-wired battery packs (common in electric scooters, bikes, and go-karts), use the Ah rating of individual batteries, not the total pack voltage.

Converter Tool
🔄 mA to Amp Converter

Convert milliamps to amps for your charger rating

mA
Converted Value
Equivalent Amps
--
Amps

💡 When to Use This

Some battery chargers list their output in milliamps (mA) instead of Amps. Use this converter to get the Amp value, then enter it in the calculator above.

  • 1000 mA = 1 Amp
  • 500 mA = 0.5 Amps
  • 2000 mA = 2 Amps