# Charge battery

To charge the VP3300 card reader battery:

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Connect the standard micro-USB cable to the card reader.
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{% step %}
Insert the adapter into a power socket.
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The following table explains the battery charging statuses of the VP3300 card reader:

<table><thead><tr><th valign="top">Indication</th><th valign="top">Status</th></tr></thead><tbody><tr><td valign="top">When the bottom LED (closest to the bottom edge of the card reader, furthest from the ID TECH logo) flashes solid red</td><td valign="top">The battery is connected to power and charging</td></tr><tr><td valign="top">When the bottom LED (closest to the bottom edge of the card reader, furthest from the ID TECH logo) flashes amber</td><td valign="top">The battery is low and needs to be charged</td></tr><tr><td valign="top">When the bottom LED (closest to the bottom edge of the card reader, furthest from the ID TECH logo) stops flashing</td><td valign="top">The battery is full</td></tr></tbody></table>