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Design
This design requires the battery can supply a higher current. For this design we will be using 2 100Ah LiFePO4 batteries.
Fuse Panel (12 Circuit)
Fuse | Size | Usage | |
---|---|---|---|
1 | BED | LED Light (switched off) | |
2 | BUNK | LED Light (switched off) | |
3 | BUNK PWR | USB Power | |
4 | FAN | Fantastic Fan | |
5 | PANEL | Under Sink Light | |
6 | SINK | Sink Lights (includes remote) | |
7 | TV/OUT | 2 - 12v DC Sockets Outdoor Light | |
8 | USB | 2 USB Ports in 120v Outlet | |
Inputs | |||
9 | DC Power In | 15A | Power from AC/DC Power Supply |
10 | Solar In | 25A | Power from Solar Panel Controller |
12 | Battery In | 60A | Power from battery |
Components
Solar Charge Controller
See Renogy Rover 30A MPPT Charge Controller
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Overview
Solar Charge Controller
Model: ALLPOWERS 20A Solar Charge Controller Solar Panel Battery Intelligent Regulator-Blue
The solar charge controller is responsible for charging the battery from the solar cells.
Q: What battery type is this controller supported?
A: (1)B-01=LEAD-ACID, 12V; B-02=LITHIUM ION 3s, 3*3.7V=11.1V; B03=LIFePO4 4s, 4*3.2V=12.8V. (B01 is the default type, If you would like to to switch to another 2 types, please select it manually.)
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We will be using the b02 setting for Lithium Ion 3S.
Solar Panel
We have a flexible 100 watt solar panel from AllPower.
Battery
We will be using a DIY 130 Ah Lithium Ion Battery.2 DIY 100 Ah LiFePO4 Batteries.
Specification | Value |
---|---|
Capacity | 130 100 Ah |
Nominal Voltage (3 4 x 3.7v2v) | 1112.1v8v |
Max Voltage (4 x 3 x 4.2v6v) | 1214.64v |
Min Voltage (3 4 x 32.0v5v) | 9v10v |
Cell Configuration3S 56P | 4S |
Max Current Output | 100A |
Battery Charger
For a battery charger, we will be using the iMax B6 is a rapid charger.
This charger will safely charge our battery to no more than 12.6v and will shut down after charging.
Specifications:
WAOUKS 14.6V 20A Charger 4 Series 12V LiFepo4 Battery Charger Smart Charger Aluminum Case with Cooling Fan for 4S 12V 12.8V LiFepo4 Battery Pack.
Specifications:
Product Name: 14.6V 20A Charger
Model: WA360-14620B
Dimensions: 180x90x63mm
Product Weight: 1.4 kg
Color/Material: Black/Aluminum Case
Suitable for Battery type: 4S 12V 12.8V 14.4V LiFepo4 Battery Pack
AC Input: 100~120Vac, 50/60Hz
Output Voltage: 14.6 Volt
Output Current: 20 Amp
Battery Protection: SCP,OVP,OCP,OTP
Charging Mode: Constant current - Constant Voltage - Trickle: Three-stage intelligent charging
Charging efficiency: ≥90%
Working temperature: -5 ℃ ~ +40 ℃
Storage temperature: -40 ℃ ~ +70 ℃
AC power cord, DC connector can be customized.
Operating Instruction
1. Before charging, please connect the DC terminal to battery first, and then connect the AC terminal.
2. After charging complete, unplug the AC terminal firstly, and then unplug the DC terminal.
3. No charging or after charging complete, be sure to unplug the DC terminal and AC terminal.
LED Indicator:
LED 1 red: Power on.
LED 2 red: Battery being charged.
LED 2 Flash: Battery will be charged completely soon.
LED 2 green: Battery has been charged completely.Operating voltage range: DC 11-18 Volts
Circuit power: Max. charge power 50W
Max. discharge power 5W
Charge current range: 0.1-5.0A
Discharge current range: 0.1-1.0A
Current drain for balancing Li-po: 300mA/cell
NiCd/NiMH battery cell count: 1-15cells
Li-ion/Fe/Polymer cell count: 1-6cells
Pb battery voltage: 2-20V
Net weight: 277g
Dimension: 133x87x33mm
DC-DC Converter
The DC-DC Step down converter will be used to charge the battery while driving. The output will be set to a maximum of 1214.6v4v.
Capacity Meter (No Longer Used)
Inverter
Our inverter is a 3000W Motomaster modified sine wave inverter. We don't use a lot of AC and we had this laying around. This inverter in not suitable for sensitive equipment since it is not a pure sine wave inverter. At some point, I may upgrade to a pure sine wave inverter.
Renogy Pure Sine Wave Inverter
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References
Reference | URL |
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Battery Chargers | https://wiki.jmehan.com/display/KNOW/Battery+Chargers |
IMAX B6 | https://www.skyrc.com/iMAX_B6_Charger |
IMAX B6 Manual | http://www.ittgroup.ee/files/IMAX_B6_manual.pdf |
Solar Charger | https://iallpowers.com/collections/solar-controller/products/solar-controller |
Solar Charger Manual | |
Capacity Meter | |
Renogy 3000W Pure Sine Wave Inverter | |
Mastercraft Inverter User Manual |