HP 2620-48-PoE+ Switch provides inadequate power to the access points

[badruddin]

We have a access point connected to the Hp 2620-48-poe+ switch,  the switch does not provide enough power to the access point, it was observed that power initially requested by access point was 13.0 watts but switch  granted 11.3 watts using LLDP information    and later on gradually decreased to 7.6 watts.

1)Are there any settings that needs to be enabled in the switch??

2) HP E630 EPS should be connected to the switch so that it provides appropriate power to the access point??

Any Help would be really appreciated.

Thanks,

Note: We are using the regular AC power supply cord which comes default with the switch.