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Sun Fun Kits SFK-300HP User Manual

Lithium iron phosphate
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SFK-300HP USER MANUAL
REVISION 1.2
sunfunkits.com

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  • Page 1 SFK-300HP USER MANUAL REVISION 1.2 sunfunkits.com...

  • Page 3: Table Of Contents

    SFK-300HP Lithium Iron Phosphate TABLE OF CONTENTS INTRODUCTION ............1 WEIGHT & DIMENSIONS ........5 SAFETY ................. 6 GENERAL USAGE ..........7 SAFE MODE ............... 9 MAX AMPS & VOLTS ..........10 CHARGING BATTERY ........... 12 MAINTENANCE ............14 MULTI BATTERY SETUPS........16 IOS &...

  • Page 4: Introduction

    Introduction: THANK YOU Thank you for purchasing your Sun Fun Kits battery kit system, your battery has been hand built by Sun Fun Kits technicians in our Baton Rouge (Louisiana, USA) facility using components from China, United States, and India. We have tested your battery by performing a complete balance, capacity, and load test to ensure it is built to industry standards.
  • Page 5 Sun Fun Kits batteries DO NOT use reject / failed / grade B cells in their construction as is the case with practically all batteries coming straight from China and being sold online by retailers.
  • Page 6 SFK-300HP Lithium Iron Phosphate Fully compatible with existing 12v infrastructure including standard 12v lead acid/agm battery char- gers, trickle chargers and high voltage DC systems up to 48v (when in 4s series configuration). High and low temperature protection including built in heating pads to allow for low temperature charging.

  • Page 7: Weight & Dimensions

    SFK-300HP Lithium Iron Phosphate Physical Specs: WEIGHT & DIMENSIONS WIDTH: 7.5” HEIGHT: 10.6” Phys- ical, terminal studs will add 1”, total height combined is 11.6” LENGTH: 14.6” (including handles) Physical Attribute Value Notes Width 190 MM , 7.5 Inch The width will tapper out 6mm from the bottom to top.

  • Page 8: Safety

    Before you begin: SAFETY Sun Fun Kits recommends an experienced electrician setup your battery bank system, or you have exten- sive knowledge and experience in setting up high power DC systems. Setting up batteries improperly can result in severe injury and even death. Please take caution when working with our batteries and ensure you...

  • Page 9: General Usage

    Sun Fun Kits LifePo4 batteries may be used anywhere typical deep cycle lead acid/agm/flooded batteries are used and do not require special charging equipment as they have built in circuitry that ensures proper charging and discharging. It is recommended that you use lithium LifePo4 chargers whenever possible or set your charging apparatus to the AGM charging profile to ensure that your batteries can get fully charged.
  • Page 10 ) charger that can be used to fully charge your LifePo4 batteries for custom- ers looking for a stand-alone wall outlet charger. Here are some acceptable uses for the SFK-300HP battery: Use in RVs as a 12-48 volt power source, or as part of an inverter bank to provide standby power...

  • Page 11: Safe Mode

    MAX AMPS & VOLTAGE Sun Fun Kits SFK-300HP batteries can be connected in parallel or in series. You can connect up to 4 batteries in series to achieve a maximum voltage of 58 volts (this is generally shown as 48v, the nominal reading) and you can parallel these batteries up to 4 units.

  • Page 12: Charging Battery

    This means you can use “any standard 12v based battery charger”. We do recommend you use lithium LifePo4 chargers whenever possible, or set your charging apparatus to the AGM charging profile to ensure a good charge. Sun Fun Kits offers the SFK-PS-330 (https://www.sunfunkits.com/product/21/sun-fun-kits-136v-330-watt-lithium-charger-lifepo4 ) charger that can be used to fully charge your LifePo4 batteries for customers looking for a stand-alone wall outlet charger.
  • Page 13 SFK-300HP Lithium Iron Phosphate a full charge. The charging and discharging parameters for the SFK-300HP are listed below: Parameter Value Notes Low voltage cut-off 10.6 volts / 2.65 volts (cell) Battery will go into Safe Mode at this voltage. Full Charge 14.6 volts / 3.65 volts (cell)

  • Page 14: Maintenance

    Charging & Discharging: MAINTENANCE Sun Fun Kits Lithium Iron Phosphate batteries require minimal maintenance and do not need to have any liquid added to them such as water (as is the case with flooded lead acid) in order to keep charge. The only maintenance required is to ensure that the state of charge of the battery is in a reasonable state de- pending on how it is being used.
  • Page 15 The settings for this are available in the tools tab within the official Sun Fun Kits management app can be configured to be turned on at 35, 40, 45, or 50 degrees fahrenheit. In cold temperatures, charging will be dissabled and any voltage input to the battery will be sent to the heating elements to raise the internal temperature until it is at least 5 degrees above the setting specified in the tools tab.
  • Page 16 If this occurs you will need to re-tighten your bolts. The main terminal bolts on the SFK-300HP are under the battery case, to access this you will need to re- move the 4 top M4 countersunk screws. Once the case is removed, you can use a M8 ball-end hex driver or L-wrench to ensure that they are snug and making proper contact with the brass conductor ring.
  • Page 17 SFK-300HP Lithium Iron Phosphate Only use insulated tools when work- We only recommend opening the lid ing with the battery with its lid open. of your battery with hand tools and not with powered screwdrivers or impact drivers. Ensure the wires are tight and make good contact with components, tight- en if needed.

  • Page 18: Multi Battery Setups

    NOTE: for many parallel setups we will be recommending the use of a common DC bus bar with equal wire lengths to ensure proper load splitting. The Sun Fun Kits DC Bus Bar works great for most parallel setups: https://www.sunfunkits.com/product/35/heavy-duty-bus-bars-250a-600v . We always recom- mend you consult an electrician before proceeding to ensure your loads are adequately spread among your batteries.
  • Page 19 SFK-300HP Lithium Iron Phosphate Wiring & Setup: PARALLEL OPERATION The most common parallel setup is the 2P setup, where two batteries are connected in parallel thereby increasing battery capacity to 600 AH while keeping the voltage at 13.6 volts. These setups can be used with piggyback cables, or can be set up using DC bus bars.
  • Page 20 900AH and 1200AH respectively. NOTE: DEDICATED BUS BARS ARE RE- QUIRED FOR 3P AND 4P SETUPS. Sun Fun Kits does not support more than 4P connections due to the very high amp loads it can generate.
  • Page 21 SFK-300HP Lithium Iron Phosphate Wiring & Setup: SERIES OPERATION With series configurations, you can increase your overall pack voltage while keeping the capacity the same. Below we show a 2S and a 2S2P setup (where two sets of 24v batteries are connected in parallel to increase voltage and capacity) this provides 24V - 300AH and 24v - 600AH respectively.
  • Page 22 SFK-300HP Lithium Iron Phosphate For even higher voltage setups, the SFK-300HP can be connected in 3S as well as 4S (36v, and 48v respectively) setups. These sets can not be paralleled in the same bank, if you require additional capacity you will need to create a seperate bank.

  • Page 23: Ios & Android Apps

    BLE Bluetooth protocol, these apps are available at no charge and can work with all Sun Fun Kits products. Below we provide a basic overview of the app’s features (Images in this manual are from the android version of the app):...
  • Page 24 (SOC), for this reason a 3.3 / cell or 13.2volt reading may be as high as 80% SOC or as low as 30%, hence, the SFK-300HP uses columb readings to determine the soc of the battery. However, this should only be used as a rough estimate; if you require a highly accurate state of charge reading, an external calibrated shunt would be required.
  • Page 25 NOTE: The SFK-300HP has 3 temperature probes but at any given time only 2 are shown on the details tab, this is by design as the case temperature is an average of the 2 external temperature probes of the BMS unit.
  • Page 26 Ambient Temperature Calibration: The SFK-300HP has 3 temperature probes and these are calibrat- ed at the factory. If you find that the readings are significantly off (more than 5 degrees fahrenheit) you can adjust the temperature.
  • Page 27 This setting can be very useful in ensuring you do not overload your battery setup or devices. The range for the SFK-300HP is between 40 to 200 amps, you can set a lower setting if you want to limit the output power of your battery.
  • Page 28 Lithium Iron Phosphate Low Temperature Heating (Charging): This function specifies the temperature at which the internal heating pads of the SFK-300HP will turn on. This is only active during charging, meaning that if the temperature falls below the specified setting, the heating pads will turn on and send any incoming charging power to the heating pads instead of the cells.
  • Page 29 EXTREMELY IMPORTANT do not forget your pin, if you lose your pin you will need to send your battery back to Sun Fun Kits to un- lock your battery. THERE IS NO WAY TO REMOTELY REMOVE A PIN IF YOU FORGET IT You also have the option to disable the pin code;...
  • Page 30 SFK-300HP Lithium Iron Phosphate Poll Request: The poll request option specifies the number of times the app will contact your battery for updates. The lower the number, the more frequent the updates; the higher the number the less frequent. If you are ex- periencing connectivity issues you can adjust the poll rate request as needed to establish a stable con- nection.
  • Page 31 Fun Kits website where you can view the details of your battery. APP LINKS: You can find the Sun Fun Kits BMS app on your device’s app store; if you are having difficulty, use the links below to go directly to the device listing: Sun Fun Kits BMS App for Android devices (Tablets &...

  • Page 32: Year Warranty

    Warranty details are explained below: SFK-300HP 8 Year 60/96 Warranty The SFK-300HP 8 Year 60/96 warranty provides free repair/replacement of items for the first 60 months, and a prorated repair/replacement for the remaining 36 months. This warranty also guarantees a full 100% cycle life for the first 500 cycles, between 100-90% for the next 500 cycles, and between 90-80% life for the next 500 cycles.
  • Page 33 OEM specifications. Doing so will void the warranty. Changing BMS parameters with unauthorized tools Customer agrees to only use official Sun Fun Kits software tools made for IOS / Android / Windows to manage battery systems, the use of unauthorized software tools will void the warranty.

  • Page 34: Legal Information

    Terms, Liabilities & Disputes: LEGAL INFORMATION Sun Fun Kits LLC DBA Sun Fun Kits offers its products with the terms, conditions and notices as follows: The following terms and conditions apply to all sales and uses. Please review carefully. These terms and conditions include limited warranties and disclaimers of liabilities.
  • Page 35 In no event shall Sun Fun Kits; liability exceed the value of the product(s) sold. In no event shall Sun Fun Kits’ be liable for any direct, indirect, punitive, incidental, special or consequential damages whatsoever arising out of or connected with the use or misuse of any of its products.
  • Page 36 AAA by visiting www.adr.org and file the initiation fee. Sun Fun Kits will reimburse these fees to you if the arbitrator(s) finds in your favor, however, if the arbitrator(s) finds in Sun Fun Kits favor then no fees will be reimbursed.
  • Page 37 SFK-300HP Lithium Iron Phosphate https://www.brla.gov/319/Civil-Suit-Interactive-Forms Terms, Liabilities & Disputes: MODIFICATIONS TO TERMS Sun Fun Kits reserves the right to change the terms, conditions, and notices under which it’s products are offered at any time.
  • Page 38 SFK-300HP Lithium Iron Phosphate Battery Quality Check: TEST REPORT & QR CODE Technician Notes:...
  • Page 40 Share with us twitter.com/sunfunkits Share a photo of you new SFK battery in action! Tag @sfkbattery and use #sunfunkits Sun Fun Kits LLC 11636 Industriplex Blvd Baton Rouge, Louisiana, 70809 United States of America 1-225-289-6525 www.sunfunkits.com cs@sunfunkits.com FCC ID: QDS-BRCM1078...

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