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sunfun SFK-275HP User Manual

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SFK-275HP USER MANUAL
REVISION 1.2
sunfunkits.com

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Summary of Contents for sunfun SFK-275HP

  • Page 1 SFK-275HP USER MANUAL REVISION 1.2 sunfunkits.com...

  • Page 2: Table Of Contents

    SFK-275HP Lithium Iron Phosphate TABLE OF CONTENTS INTRODUCTION ............1 SAFETY ................. 2 LFP BATTERY ............4 SAFE MODE ............... 5 MAX AMPS & VOLTS ..........5 BATTERY SPECS ............. 6 MAINTENANCE ............7 WEIGHT & DIMENSIONS ........11 IOS & ANDROID APPS .......... 12 8 YEAR WARRANTY ..........

  • Page 3: Introduction

    We have built the SFK-275HP battery to be serviceable and upgradeable, this allows for efficient service and repairs and ensures product longevity. The nature of kit built products comes with some consider- ations;...
  • Page 4 The use of proper circuit breakers, fuses and DC disconnects is recommended. Please ensure installs and setups are done by certified electricians, or licensed installers/dealers. Sun Fun Kits SFK-275HP battery contains a battery management system (BMS) that protects the battery from overcharging, discharging and temperature extremes. Users must ensure their electri- cal setup works within these parameters and assume that the BMS protection is secondary protec- tion ONLY.

  • Page 5: Lfp Battery

    SFK-275HP Lithium Iron Phosphate General Usage: LFP BATTERY LFP or Lithium Iron Phosphate is one of the safest lithium based chemistries in the market. Unlike other chemistries such as Li-Ion or Li-polymer these batteries do not have thermal run-away, and will not ignite or burst into flames (in rare circumstances, if the cell is punctured;...

  • Page 6: Safe Mode

    MAX AMPS & VOLTAGE Sun Fun Kits SFK-275HP 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 7: Battery Specs

    SFK-275HP Lithium Iron Phosphate watts for sustained use with a max peak of 6.8 kw (30 seconds) and a maximum amp discharge of 125 amps. You will also need to ensure that you have selected the proper wire gauge and wire materials to ensure you can safely deliver your desired power output.
  • Page 8 LifePo4 batteries for customers looking for a stand-alone wall outlet charger. NOTE: For smart lead acid chargers, you may need to force bulk/absorption mode to ensure a full charge. The charging and discharging parameters for the SFK-275HP are listed below: Parameter...

  • Page 9: Maintenance

    SFK-275HP Lithium Iron Phosphate Parameter Value Notes Minimum Discharge 34° Fahrenheit Battery will go into Safe Mode at this temperature. Temp. Maximum Charge 120° Fahrenheit Temp. Minimum Charge 34° Fahrenheit Temp. Short Circuit Protec- 155 amps The BMS will turn the battery off if more than 155 tion amps are drawn from the battery.
  • Page 10 If this occurs you will need to re-tighten your bolts. The main terminal bolts on the SFK-275HP are under the battery case, to access this you will need to remove the 4 top M4 countersunk screws. Once the case is removed you can use a M8 ball-end hex driver or L-wrench to check that they are snug and are making proper contact with the copper conductor ring.
  • Page 11 SFK-275HP Lithium Iron Phosphate We only recommend opening the lid of your battery with hand tools and not with powered screwdrivers or impact drivers. Once this lid is removed you can investigate the bolts to ensure a tight slop free fit.

  • Page 12: Weight & Dimensions

    SFK-275HP Lithium Iron Phosphate Physical Specs: WEIGHT & DIMENSIONS WIDTH: 7.5” Physical, terminal studs will add 1”, total height com- bined is 10.6” HEIGHT: 9.6” Physical, terminal studs will add 1”, total height com- bined is 10.6” LENGTH: 14.6” (including handles)

  • Page 13: Ios & Android Apps

    IOS & ANDROID To manage your SFK-275HP, Sun Fun Kits has created easy to use management apps. These are available for Google Play Store and Apple IOS devices. In order to use these apps you must have a device that is compatible with the BLE Bluetooth protocol.

  • Page 14: Year Warranty

    Warranty details are explained below: SFK-275HP 8 Year 60/96 Warranty The SFK-275HP 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 15 SFK-275HP Lithium Iron Phosphate other change that alters the 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 16: Legal Information

    SFK-275HP Lithium Iron Phosphate proper maintenance was not done. 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 17 SFK-275HP Lithium Iron Phosphate of high powered devices can be associated with a high level of risk and, to the extent permitted by law, YOU EXPRESSLY AND VOLUNTARILY ASSUME THE RISK OF DEATH OR OTHER PERSONAL INJURY SUSTAINED WHILE USING OUR PRODUCTS, WHETHER OR NOT CAUSED BY THE NEGLIGENCE OR OTHER FAULT OF Sun Fun Kits, including but not limited to equipment malfunction from whatever cause, or any other fault of Sun Fun Kits.
  • Page 18 SFK-275HP Lithium Iron Phosphate shall remain in full force and effect. Terms, Liabilities & Disputes: APPLICABLE LAW Any and all disputes or claims relating in any way while using your Sun Fun Kits products or services will be resolved by arbitration rather than in court by the American Arbitration Association (AAA). Either party Sun Fun Kits or the customer may initiate the claim.
  • Page 19 SFK-275HP 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 20 Share with us #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 sunfunkits.com...

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