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Summary of Contents for KiloVault HLX Series
- Page 1 KiloVault®- HLX Series Lithium Iron Phosphate (LiFePO4) Deep Cycle Solar Batteries Installation and User’s Manual Release Date: August 13, 2019 Revision: 20190813...
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Page 2: Table Of Contents
Contents Safety Information ..........................5 1.1. Definitions ..........................5 1.2. Important Safety Information ....................5 Overview ............................7 2.1. Product Technology ........................7 2.2. Bluetooth Monitoring Application ..................... 7 Installation Requirements ......................... 9 3.1. Pre-Installation ........................... 9 3.1.1. All Batteries Must Be Fully Charged to the Same Voltage Prior to Use ......9 3.1.2. - Page 3 4.1.8. Temperature & Effects on Battery Capacity ..............16 4.1.9. Charge Slower in Very Cold Conditions ................17 4.1.10. Ensure Batteries Are at the Exact Same Resting Voltage Prior to Operation ....17 4.1.11. Ensure Parallel Rows of Batteries are Within 0.2V of Each Other ......... 17 Specifications ...........................
- Page 4 The KiloVault® HLX series of solar lithium batteries are specifically designed and tested for the beating that serious hybrid, off-grid inverters, and solar charge controllers can throw at them. Compared to traditional deep cycle batteries, the HLX Series’ lithium battery technology more efficiently stores and delivers the renewable energy that you have generated, with no maintenance on your part.
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Page 5: Safety Information
Disclaimer: Indicates information limiting the scope of responsibility. 1.2. Important Safety Information It is essential to read, understand, and follow these instructions when using KiloVault® batteries. Warning: High voltage risk, improper use may cause personal injury or death. Warning: Do not use a battery that appears damaged in any way. - Page 6 Warning: A small risk of spark exists while making electrical connections. • Ensure the installation area is free of explosive gasses and liquids. • Ensure the batteries are not installed in confined areas containing explosive substances. This includes flammable fuel powered machinery, holding tanks, pipe fittings, and connectors.
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Page 7: Overview
• LiFeP04 chemistry prevents thermal runaway as opposed to other lithium technologies. • IP55 Rated • KiloVault® batteries can be used in RV applications for electrical appliances ONLY. They can NOT be used to crank over motors in such vehicles. - Page 8 The information displayed includes: Basic View • State of Charge (SOC) • Voltage • Capacity • Status (Charging/Discharging/Standby) • Health Advanced View (swipe right to access) • Voltage • Amps (Charging or Discharging) • Temperature (Internal Battery Temperature) • Cycle life (Number of times cycled) 8 of 28...
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Page 9: Installation Requirements
5) When turning on breakers to inverters, charge controllers, battery monitors, etc. connected to the batteries wait 45-60 seconds between powering up each device. The KiloVault® battery management system has special circuitry designed to detect short circuits and protect the battery. -
Page 10: Do Not Use Dc Chargers Exceeding 150 Amps
See the charging graph below to understand the characteristics of the LiFePO4 charging curves. Many automotive type battery chargers will not reach 14.1V. Please check charger specifications when selecting your charger or you can contact your KiloVault® distributor for a list of recommended chargers. 3.1.2. -
Page 11: Add Batteries Of Exact Same Model Together
Figure 1: Voltage vs. Charge There is very little voltage difference between 10% and 95% full in LiFePO4 batteries. To ensure batteries are at the same charge level they all must be initially charged to the same voltage at the tail upper end. -
Page 12: Temperature And Battery Physical Spacing
A BTS is often used by battery chargers in lead acid batteries because the “full” voltage changes with temperature. This technology is not compatible with lithium batteries and must not be used. Using a BTS is likely to cause the charge controller to over-charge the KiloVault® battery and damage it. 3.1.6. -
Page 13: Digital Voltmeters
3.2.1. Configurations The KiloVault® HLX series of batteries can be used 12V, 24V, 36V, and 48V configurations where one, two, three and four batteries, respectively, are connected in a row (plus to minus). The maximum number of batteries in a bank is limited to sixteen (4 in parallel and 4 in series). Each row of batteries must be kept within 0.2V of each other or the battery bank may prematurely... -
Page 14: Bolt Tightening
Figure 3: Maximum Configuration 3.2.2. Bolt Tightening Torque all bolts and battery terminals to 110 In-lb. +/- 10%. Terminals left insufficiently tightened will lead to overheating, melting the battery and potentially causing a fire. 14 of 28... -
Page 15: Operation
4. Operation 4.1.1. Configuring Charge Controller & Inverter Voltage Set-points It is very important that your battery charger (solar, inverter or AC) is set to stop charging at a maximum voltage and your inverter should be set to shut down at a certain voltage according to the table below. -
Page 16: Gel/Sealed Battery" Settings
4.1.4. Energize Your Inverter First Due to the special pre-charging function in the KiloVault® BMS, it is necessary to first connect and energize the equipment that draws the largest capacitive load, such as your inverter. If a smaller device is powered up first, the pre-charge loop in the BMS will be lost and unable to handle the greater in-rush from the larger device. -
Page 17: Charge Slower In Very Cold Conditions
4.1.9. Charge Slower in Very Cold Conditions If ambient temperature is below 39°F (4°C), reducing the initial charge current to no greater than 60A until the batteries have had a chance to warm up is recommended before introducing the nominal charge rate of 100A. -
Page 18: Specifications
5. Specifications HLX Series 1800 HLX 3600 HLX Rated Capacity 1800Wh 3600Wh Rated Voltage 12.8VDC Nominal Amp-Hour Capacity 150Ah 300Ah Optimal Charger/Inverter Settings Bulk/Absorption Voltage 14.0V recommended* (13.8 - 14.1V acceptable) Float Voltage 13.8V recommended (13.3 – 13.8V acceptable) Low Voltage Inverter Cut-Off 12.0V... - Page 19 Temperature Protection Low Temp. Charge Protection 32°F (0°C) with protection release at 39°F (4°C) Low Temp. Discharge Protection -4°F (-20°C) with protection release at 14°F (4°C) ) High Temp. Charge Protection 149°F (65°C) with protection release at 122°F (50°C) High Temp. Discharge Protection 149°F (65°C) with protection release at 122°F (50°C) Over Current Protection Delay until cutoff @255A...
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Page 20: Storage And Re-Commissioning
6. Storage and Re-Commissioning 6.1. Disconnect Batteries for Long Term Storage For long term storage (i.e. 6 months or more) simply disconnect all sources of charge and discharging from the battery bank. 6.2. Self-Discharge & Maximum Period Between Charging Although the batteries have a very low self discharge rate (≤2%/month, ≤12%/year) they should be charged a minimum of every six months. - Page 21 • Charge slowly in very cold conditions If ambient temperature is below 39°F (4°C), reducing the initial charge current to no greater than 60A until the batteries have had a chance to warm up is recommended before introducing the nominal charge rate of 100A. 21 of 28...
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Page 22: Certifications
7. Certifications • UN DOT • IP55 Rated 22 of 28... -
Page 23: Disposal
8. Disposal • Do Not Incinerate • Recycle in accordance with local laws and services 23 of 28... -
Page 24: Troubleshooting And Q&A
Your load (i.e. inverter or DC load) has exceeded the current capabilities of the batteries. KiloVault® batteries are capable of handling 150A continuous, and for a very brief moment handle up to 500A for a surge load. If your load is known to be close to 150A continuous or has a couple of very high surge loads (e.g. - Page 25 Adding an additional parallel row of KiloVault® batteries will increase the current capacity of the bank. Note that in the case that one battery shuts down or if the bank is not voltage balanced it is possible that despite having multiple parallel rows, a row shuts down and the current capacity is reduced to that of the remaining rows.
- Page 26 Yes. Currently there are apps only available for Android and iPhone and can be found on their respective stores by searching for ‘KiloVault’. Your smartphone’s Bluetooth must be turned on for the app to find the batteries. Android requires location services to be turned on for the app to work.
- Page 27 What’s going on? The KiloVault® batteries need a minimum of 250mA to be drawn or they will go into their power saving, standby mode. The simplest solution is to connect additional loads to reach at least 250mA (3 Watts).
- Page 28 Caution: Repeated triggering of the short circuit protection may damage the BMS circuitry. 15. Do high temperatures affect the performance of the batteries? Yes. Similar to lead acid batteries, the battery cycle life will be reduced if they are regularly charged and discharged above temperatures of 100 degrees F.
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