Sony VPCEB1DGX - Manual (Page 115)

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Precautions >
Using the Battery Pack
Using the Battery Pack
❑ Battery life is shorter in a cold environment. This is due to decreased battery efficiency at low temperatures.
❑ Charge battery packs at temperatures between 50°F / 10°C to 86°F / 30°C. Lower temperatures require longer charging
time.
❑ Do not charge the battery pack in any way other than as described in this user guide or as designated by Sony in writing.
❑ While the battery pack is in use or being charged, heat builds up in the battery pack. This is normal and is not cause for
concern.
❑ You do not need to discharge the battery pack before recharging.
❑ If the battery pack quickly runs out of power after being fully charged, it may be reaching the end of its life and should be
replaced.