RAKwireless 7249 User manual

10 PAGES
Installation Guide for
www.RAKwireless.com
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Version V1.0 | June 2019
Solar Panel and Battery Kit
Installation Guide

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Table of Contents
1. Packing List.............................................................................................................................................. 3
2. Specification.............................................................................................................................................4
2.1 Solar Panel......................................................................................................................................... 4
2.2 Lithium Battery................................................................................................................................... 5
3. Installation guide.....................................................................................................................................5
4. Contact Information................................................................................................................................9
5. Revision History....................................................................................................................................10
6. Document Summary.............................................................................................................................10

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1. Packing List
Solar Panel Lithium Battery Pack
Mounting Kit

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2. Specification
2.1 Solar Panel
1. Electrical Characteristics
Maximum Power Pmax
80W
Voltage at Pmax(Vmp)
18V
Current at Pmax(Imp)
2.2-5.5А
Open Circuit Voltage (Voc)
21.6V
Short Circuit Current (Isc)
2.3-6.5A
2. Dimensions: 665*815mm

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2.2 Lithium Battery
1. Electrical Characteristics
Electrical spec.
Nominal Output Voltage
12.6V
Nominal Output Current
2A
Capacity
50Ah
Charge Voltage
18V
2. Operational Temperature: -20˚C ~ 60˚C
3. Dimensions: 140*90*350mm
3. Installation guide
Step 1: Install the bolts in the holes, which are circled in red in the following Figure.
Tighten the nuts and make sure that the rails that make up the base are holding tight
against each other.
This will make an “H” spahepd base, for the Solar Panel to be mounted on top off. The
circular pipe in the middle of the sape is mean to fit over a circular shaped pole, so the
whole construction sits on top with the panel facing upwards, on an angle.

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Step2: Mount the battery on top of the two paralel rails in the middle. Make sure it is as
close as possible to the middle of the construction. Fasten it to the rails with four bolts,
each having a washer and a nut. Tighten well, as the battery is quite heavy. Refer to the
following Figure on how to insert the bolts into the railing that is part of the bottom of the
baterry casing.

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Step3: Connect the power cable coming out of the input port of the battery to the screw
terminals on the back of the solar panel. Make sure you not to reverse the polarity. The
following Figure shows the connection on the back of the solar panel.
The following Figure shows where the cable from the solar panel enters the input
terminal on the battery.

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Step4: Connect the battery output terminal cable to the power cable coming from the
input of the gateway as shown in the following Figure.
Step5：Mount the whole instalation you have assembled so far ot top of a circular pole.
Put the panel facing up and insert the pole in the pipe opening on the bottom of the
constructiuon. Make sure the pole is of a sufficiently small diameter to fit (65mm
recommended). Use 6*M8 bolts to fasten the ball to the construction as shown in the
following Figure.

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Caution:
Reversing the polarity when connecting the battery is dangerous and may cause fire.
Make sure you the power cord has been connected with the correct polarity.
Your battery mileage will vary depending on local illumination intensity. For a 50Ah
battery and a 80W solar panel, such as the ones used in the kit the RAK7249 should
function for about 4 days. This is the worst case scenario where there is constant heavy
rain and/or constant presense of clowds. If you live in extreme conditions that result in
operational time significantly less than 4 days you mighty think of increasing the battery
capacity and installing a solar panel with greater power output.
4. Contact Information
Please contact us if you need technical support or want to know more information.
Support center:https://forum.rakwireless.com/
Email us:[e-mail]

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5. Revision History
Revision
Description
Date
1.0
Initial version
2019-06-03
6. Document Summary
Prepared by
Checked by:
Approved by:
Zenglei & Penn
Terry
About RAKwireless:
RAKwireless is the pioneer in providing innovative and diverse cellular and LoRa
connectivity solutions for IoT edge devices. It's easy and modular design can be used in
different IoT applications and accelerate time-to-market.
For more information, please visit RAKwireless website at www.rakwireless.com.