HTC desire 530 User Manual page 27

§ As a safety precaution, the battery may stop charging to avoid overheating.
§ Avoid charging the battery in hot environments.
§ When you're using the web browser and charging the battery,
HTC Desire 530 may become warmer. This is normal.
§ To conserve energy, unplug the power adapter from the electrical outlet
after you finish charging.
Unboxing 27