Approximate time (min.) required when you fully charge a fully discharged battery pack.

When using the AC Adaptor

155 min

When using your computer

275 min

Hint

• The charging times shown in the table above are measured when charging this product at a temperature of 25 ˚C (77 °F). It is recommended that you charge the battery in a temperature range of 10 ˚C to 30 ˚C (50 °F to 86 °F).
• The charging times are measured without using the USB Connection support cable.