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USER MANUAL
EXPION360, INC.
www.expion360.com
EX1
EX-EX1-12368-B
EX-EX1-12450-B
Corporate Office
2025 SW Deerhound Ave., Redmond, OR 97756
Tel: 541-797-6714 Email:
sales@expion360.com
Expion360 EX1-B Manual
Rev A
2/18/25

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  • Page 1 USER MANUAL EX-EX1-12368-B EX-EX1-12450-B Expion360 EX1-B Manual Corporate Office EXPION360, INC. Rev A 2025 SW Deerhound Ave., Redmond, OR 97756 2/18/25 Tel: 541-797-6714 Email: sales@expion360.com www.expion360.com...
  • Page 2: Disclaimer

    Quality Every Expion360 battery uses cells that are UL 1642 recognized (file no. MH64383), and the battery is certified compliant to UL 1973 by Tei Listing Services (file no. 22D01) to meet the highest standard in safety and performance. Internal power distribution bus bars are mechanically connected (bolted) rather than soldered to lower contact resistance and provide a robust physical connection point.
  • Page 3: Warnings

    DO NOT discharge the battery beyond its maximum discharge rate. DO NOT connect the battery to any load while in long-term storage. DO NOT operate or store the battery outside the specifications outlined in the manual. Expion360 EX1-B Manual Rev A 2/18/25...
  • Page 4: Table Of Contents

    Single-Stage CC Charger ....................... 14 Multi-Stage Charger ......................14 Charging Options ........................15 Shore Power Charging ......................15 Inverter Charger Charging ....................15 Solar Charging........................15 Alternator Charging ......................15 Charger Sizing ..........................16 Discharge ............................ 17 Expion360 EX1-B Manual Rev A 2/18/25...
  • Page 5 Overcurrent Protection ......................19 Thermal Protection ........................19 Cell Balancing ........................... 19 Communication ........................... 20 SmartTalk™ and the Expion360 App ..................20 Battery Life ..........................21 Depth of Discharge (DoD) ......................21 Operating Temperature Range ....................21 Charge/Discharge Rate ......................21 Storage Condition ........................
  • Page 6: Overview

    Onboard Bluetooth® paired with our SmartTalk™ app allows users to managed multiple Expion360 Bluetooth®-enabled batteries seamlessly. At Expion360, we are committed to providing not only the highest quality and safest products but also exceptional customer service. That's why we offer a 12-year warranty on our e360 Battery, ensuring that you have the power you need for years to come.
  • Page 7: Battery System Installation

    Check the current of each battery pack on the Expion360 App. Make sure the difference between the current of each battery pack and the average current is within the 5% range of the average current.
  • Page 8: Battery System Examples

    Battery System Examples Expion360 EX1-B Manual Rev A 2/18/25...
  • Page 9: Battery Terminal Connections

    See details about circuit protection in Circuit Protection. Use a permanent marker to mark the position of the screws/nuts and battery terminal. Check the mark annually and tighten the screws/nuts if the mark is not aligned. Expion360 EX1-B Manual Rev A 2/18/25...
  • Page 10: Wiring Recommendations

    The recommendations given by our technical support team are for guidance purposes only. Installers are responsible for independent evaluation and verification of suitability and compatibility. Any reliance on these recommendations is at the installer's own risk. Expion360 EX1-B Manual Rev A 2/18/25...
  • Page 11: Recommended Wire Gauge

    3. Move left along that row to the Wire Size AWG. For the 245A row, the wire will be 1AWG. This is the recommended wire size for the wire run from your batteries to the Inverter. Expion360 EX1-B Manual Rev A...
  • Page 12: Circuit Protection

    5502100/5507100 fuse holder. Use fuse and breakers from the following approved manufacturers to protect against overcurrent events and ensure the safety of the Expion360 battery system: Blue Sea Systems, Littlefuse, Eaton, or Bussman.
  • Page 13: Multi-String Battery System

    The cables connecting the two strings to the inverter must be sized properly for the maximum 800A current. For more information about correctly sizing circuit protection for the battery power system, please contact an authorized installer or Expion360 technical support: Support@expion360.com +1 (541)797-6714...
  • Page 14: Charging

    A battery system has (4) 100 Ah batteries connected in parallel. The maximum charge rate of a single Expion360 battery is 50 A at 0.5C. The capacity of the battery system is 400 Ah. The maximum charge rate of the battery system is 200 A (0.5C). This method also applies to the optimal charge current.
  • Page 15: Charging Options

    LiFePO4 batteries with a 25A output current. It is simple to install and compatible with any other LiFePO battery. Within the limits of the battery system and alternator specifications, up to two Expion360 DC-to-DC chargers can be used in parallel to achieve a higher charge rate. Expion360 EX1-B Manual Rev A...
  • Page 16: Charger Sizing

    P_chrg = Battery System Rated Energy / T = 1800Wh*4/8h = 900W I_chrg = Battery System Rated Capacity / T= 36Ah*4/8h = 18A The charger's calculated current must be lower than the maximum charging rate of the battery system. Expion360 EX1-B Manual Rev A 2/18/25...
  • Page 17: Discharge

    See the Battery Specifications page for the optimal, maximum, and pulse discharge rates of each Expion360 battery. Example: A battery system consisting of 4 EX-G27-12100-BCH 100Ah batteries connected in parallel. The maximum continuous discharge rate of a single battery is 100A.
  • Page 18: Inverter

    Only use inverters that have been certified to conform to UL 458 or UL 1741. For more information about pairing inverters and battery systems with capacities that are not listed above or further details, please contact Expion360 technical support: Support@expion360.com...
  • Page 19: Battery Management System (Bms)

    When the battery voltage rises above 12Vdc, the BMS will reconnect. Some chargers will not charge if an open circuit is detected as the BMS has disconnected. We recommend using the Expion360 DC-DC charger or a conventional AC-DC charger to avoid this open circuit problem.
  • Page 20: Communication

    The status of each battery can be checked on the Expion360 app with Bluetooth. The details of configuring the battery system on the Expion360 app can be found in the Expion360 App Walkthrough.
  • Page 21: Battery Life

    The battery is considered to reach the end-of-life (EoL) when the remaining available capacity is less than 80% of the original capacity. The cycle life of Expion360 batteries is tested at a charge/discharge rate of 0.2C/1C, 77°F, and 100% depth-of-discharge (DoD). Please note that many factors can affect battery cycle life.
  • Page 22: Storage

    Properly storing the battery system between 50% and 80% state-of-charge (SoC) will prolong the battery. Check the SoC on the battery system monitor or Expion360 App. Before storing, turn off the battery system disconnect switch, and turn off the battery system by pressing the POWER switch on each battery for 5 seconds.
  • Page 23: Accessories

    The products listed below are compatible with Expion360’s EX-360XDP-C batteries. Model EX-BM350-KT: Battery monitor with display and complete installation kit. Model EX-25DC: Expion360 DC to DC 25 A, 14.6 Vdc, 2-stage charger. Model EX-360-TDS: Single battery tie-down system for the 360 Ah battery.
  • Page 24: Battery Specifications

    25 35 ⁰C) Maintenance Discharge-charge cycle every 3-6 months. Voltage/Current measurement tolerance: ± 3%. Temperature measurement accuracy: ± 9°F (5°C). Time delay accuracy: ± 0.5s. Charge/Discharge @0.2C/0.5C, 25°C, 100% DoD reach 80% Capacity retention. Expion360 EX1-B Manual Rev A 2/18/25...
  • Page 25: Warranty

    12 years from the date of sale as determined by the customer’s sales receipt as proof of purchase. Expion360, at its sole discretion, will only repair or replace the battery and/or parts of the battery in question if it is determined to be defective in material and/or workmanship by the Expion360 Technical Support Team.
  • Page 26: Product Return And Shipping

    Before storing Expion360 lithium batteries for periods longer than 3 months, ensure the batteries are at 50% to 80% state of charge using the Expion360 battery monitor. If the battery is not equipped with a battery monitor, measure the voltage with a multimeter to confirm the state of charge is not below 50%.
  • Page 27: Warranty Disclaimer

    Expion360 for testing unless otherwise stipulated by applicable local law. In cases where it is required to return the product for further testing to Expion360, the product must be shipped to Expion360 within fifteen (15) business days. The product must be returned with the associated documentation in the provided shipping material.
  • Page 28 Corporate Office 2025 SW Deerhound Ave., Redmond, OR 97756 Tel: 541-797-6714 Email: sales@expion360.com Expion360 EX1-B Manual Rev A 2/18/25...

This manual is also suitable for:

Smarttalk ex-ex1-12368-bSmarttalk ex-ex1-12450-b

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