Energous VN25 RF Wireless Charger User Manual
- June 5, 2024
- energous
Table of Contents
Energous VN25 RF Wireless Charger
User Manual and User Information
- Energous Corporation 3590 North First Street Suite 210
- San Jose, CA 95134 U.S.A.
- http://www.energous.com
- Tel: 408 963 0200
© Copyright 2021 Energous Corporation. Energous, the Energous Logo, WattUp,
and other designated brands included herein are trademarks of Energous in the
United States and other countries. All other trademarks are the property of
their respective owners.
THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE
SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND
RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED
WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL
RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS. THE SOFTWARE LICENSE AND
LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION
PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS
REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED
WARRANTY, CONTACT YOUR ENERGOUS REPRESENTATIVE FOR A COPY.
Intended Use
The purpose of the VN25 RF wireless charger is to charge Tag/Receiver
outfitted with the proprietary Energous energy receiving circuit. The VN25
wireless charger can only be used in conjunction with devices that contain the
receiving circuits for charging the receiver with and without battery. The
VN25 transmitter is intended to mount on ceiling or side wall and Tags will be
mounted on shelf for product information.
This device is intended to be indoor use only.
User Operation
The VN25 does not contain a power switch. Simply connect the mini-USB cable
end to the VN25 Charger and the USB-C cable end to the wall adapter power
supply.
The Smart tags could be shelf-mounted, attached to a paper label, box, cup,
wall or affixed to similar containers. VN25 charger will transmit and charge
the tags when turn on. The equipment will commence charging within a few
seconds. Consult the Tag’s user manual for the time duration and procedures
for charging.
Standard operating environmental temp 0-40deg C
5-95% Relative Humidity
3048m or 10,000’ altitude
Radio Characteristics:
- The VN25 transmitter nominal frequency is: 917.2MHz- 918.8MHz.
- The VN25 transmitter conducted average output power is: 0.998 Watts
- The BLE transmitter (VN25) operating frequency: 2402 – 2480MHz
- The BLE transmitter (VN25) max peak output power: 0.076 Watts
- The MSK transmitter (VN25) operating frequency: 2402 – 2480MHz
- The MSK transmitter (VN25) max peak output power: 0.1 Watts
Mini USB Port
Insert the designated cable at the USB-C port of the Energous VN25 RF wireless charger and also into the type A USB port of the electrical AC wall power supply adapter to connect the Energous Charger.
Packaging contents
- VN25 WattUp WPT Charger
- AC/DC Power supply with cable
- User Manual and User Information
- User Manual and User Information Model VN25 V1.0.
FCC Regulatory Information
FCC ID: 2ADNG-VN25 Model: VN25
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) This device must accept any interference received,
including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more
of the following measures:
- Reorient or relocate the equipment being interfered with.
- Increase the separation between the charger and the equipment subject to interference.
- Connect the equipment into an outlet on a circuit different from that to which the charger is connected.
- Consult the dealer or an experienced radio/TV/electronics technician for help.
CAUTION: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
RF Exposure Notice
VN25 RF wireless charger complies with FCC RF radiation exposure limits for an uncontrolled environment in accordance with FCC Rule Part 2.1093. The Wireless charger transmitter is designed to be installed on the ceiling or on a side wall and must be installed accordingly to ensure a minimum 20cm separation distance from persons.