Table of Contents
Summary of Contents for Drypower IFM12-90E3
- Page 1 Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 1/24 Version Drypower Lithium Iron Phosphate 12V Smart Battery User Guide Please read all contents of this user’s guide prior to use the battery.
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Page 2: Table Of Contents
Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 2/24 Version TABLE OF CONTENTS 1 Contact Information........................3 2 Safety Information........................3 3 Before You Start ........................5 4 Installation..........................6 5 Charging The Batteries ......................9 6 Discharging The Batteries....................... -
Page 3: Contact Information
DO NOT expose to temperatures above 50℃(122°F). NEVER charge the battery without charge protection circuitry and equipment approved by Drypower. Remove all jewelry or other metallic objects during the installation of the battery. Exercise care in handling any charged battery, particularly when placing it inside a container with metal objects ... - Page 4 Version Dispose of the battery properly in accordance with local regulations. DO NOT connect Drypower 12V smart LiFePO4 battery to other chemistries, lots, manufacturers, series, impedance or capacity 12V battery. Your battery may contain symbols, defined as follows:...
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Page 5: Before You Start
Operating the battery in an environment where the temperature is higher than 50℃(122°F). If you believe that in the course of using the Drypower battery, you will conflict with any of the above listed conditions or any other safety precautions listed in this manual, please DO NOT proceed any further. -
Page 6: Installation
Cell Block – A group of cells configured in parallel. Battery Pack – A group of batteries in series or in parallel. Hereafter, we will say battery. 12V Smart Battery – Drypower 12.8V LiFePO4 battery with SMbus communication & fuel gauge indicator. - Page 7 2. Batteries must be connected in parallel before the series string is connected as depicted in figure 5. 3. Please contact Drypower if the system includes more than 6 batteries. NOTE: 1) The jumper cable must be the same gauge cable as the positive and negative terminal cables;...
- Page 8 Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 8/24 Version 4.3.2 Parallel Installation The battery configuration in figure 5 shows a simultaneous parallel and series format. The parallel configuration allows for capacity to increase while voltage remains the same. 1.
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Page 9: Charging The Batteries
Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 9/24 Version 5 CHARGING THE BATTERIES 5.1 Charging batteries Failure to follow the following safety instructions may result in personal injuries or damage to the device! •Do not connect more than two batteries in series. Connecting more than two batteries in series might exceed the voltage limit of the built-in PCM, leaving the battery without critical safety features such as over-voltage and over-temperature protection. - Page 10 As the cells’ temperature rises during the charging process, they can gradually accept higher currents. To maintain optimum performance and durability of the 12V, Drypower recommends the following charge limits based on ambient temperature: Temperature (℃)
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Page 11: Discharging The Batteries
Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 11/24 Version 5.3 Float charge method for an 12V battery If you hold the voltage of the battery system at the end-of-charge voltage (after reaching 100% SOC) for prolonged periods of time, lower the end-of-charge voltage to the recommended float-charge voltage. -
Page 12: Battery Performance
Recharge the battery at once after it is fully discharged to prevent permanent capacity loss and damage to the battery. 7 Battery performance 7.1 Specifications Battery Model IFM12-90E3 IFM12-200E3 IFM12-420E3 Nominal Voltage 12.8V Rated Capacity 9.0Ah@0.2C... - Page 13 Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 13/24 Version Max. continuous 9.0A@20℃ 10A@20℃ 20A@20℃ charge current 0.2C constant current charge to 14.6V,then constant voltage Standard charge charge till charge current decline to ≤0.05C method Float voltage 13.8V Maximum Charge...
- Page 14 Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 14/24 Version 7.2 Battery characteristics (for reference only) Figure 7 Discharge characteristic for 12V LiFePO4 battery(if applicable) Figure 8 Life cycle characteristic for 12V LiFePO4 battery...
- Page 15 Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 15/24 Version Figure 9 Discharge characteristic for 12V LiFePO4 battery Figure 10 Charge characteristic for 12V LiFePO4 battery...
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Page 16: Integrated Protection
Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 16/24 Version 8. Integrated Protection The smart battery includes integrated protection circuitry to prevent the battery from exceeding its voltage limits. The battery’s circuitry interrupts either charging or discharging current if the battery is in danger of exceeding upper or lower voltage or temperature limits. -
Page 17: Troubleshooting
Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 17/24 Version 9 Troubleshooting The smart batteries provide greater useful life than comparable lead-acid batteries. Despite the high reliability of the smart batteries, you may encounter situations where the battery does not operate as expected. - Page 18 Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 18/24 Version described in Fusing on page 16. Ensure the replacement fuse’s voltage rating is appropriate for your application. 3.Connect the battery to a charger to wake the battery and recover terminal voltage. Depending on the battery’s voltage and state of balance it may take up to 48 hours to completely charge and balance the battery.
- Page 19 Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 19/24 Version 9.3 Battery Rapidly Depletes Energy between Charges Problem: The battery rapidly depletes its energy between charging. Possible causes for this problem are: The battery is out-of-balance. ...
- Page 20 Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 20/24 Version Problem: The user -replaceable 30 A fuse blows frequently. Possible causes for this problem are: The fuse was replaced with a fuse that does not meet the specifications detailed in User-Replaceable Fuse on page 16.
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Page 21: Tips For Optimizing Performance
Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 21/24 Version 10 TIPS FOR OPTIMIZING PERFORMANCE By following the tips listed below, one can assure long life and high performance of the battery: Charge all batteries fully prior to first use of the device. ... -
Page 22: Transportation And Shipping
Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 22/24 Version Handle each battery carefully to avoid sharp impacts or extreme pressure on the case. 12 TRANSPORTATION AND SHIPPING When transporting or moving the battery within your installation, please follow the guidelines below. -
Page 23: Disposal Of Batteries
Prepared date 12V Smart Battery Approved date File number S230XLP03 User Guide Page 23/19 Version If possible move the battery to well ventilated area, preferably outside. Use a fire extinguisher, either carbon dioxide, dry chemical or appropriate foam to spray the hot battery. -
Page 24: Use In Life Support Applications
The battery SHALL NOT be used in, or in conjunction with, any Life Support Application without the express written consent of Drypower. Life Support Applications includes, without limitation: (i)a device to be implanted in a human body; or (ii) a system or device, which supports or monitors a...
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