EarthX ETX6A User Manual - Etx36/680 Discharge Curve

Manual is about: ETX Lithium Battery

Summary of ETX6A

  • Page 1

    Etx lithium battery user’s manual copyright© 2016 earthx, inc. All rights reserved. The information contained in this document is the property of earthx, inc. Earthx reserves the right to make changes to its documents or products without notice. It is the responsibility of each user to ensure that a...

  • Page 2: Table Of Contents

    E t x s e r i e s l i t h i u m b a t t e r i e s table of contents overview ........................................................................................... 1 technology inside ............................................................................. 1 battery cells ....................

  • Page 3: Overview

    E t x s e r i e s l i t h i u m b a t t e r i e s 1 overview earthx’s etx lithium batteries are designed as a maintenance free replacement for the 12 volt lead-acid or lithium batteries. To ensure a smooth replacement process, etx batteries are similar in dimensions to many oem motorsport or power s...

  • Page 4

    E t x s e r i e s l i t h i u m b a t t e r i e s 2 level. This ensures that the charge level of all the cells remains equal, even with the high discharge (> 100amps) and charge current (>10amps) of your vehicle. A cell can be permanently damaged if over-charged (over-voltage) or over-discharged (dr...

  • Page 5

    E t x s e r i e s l i t h i u m b a t t e r i e s 3 in the event of a charging system failure where the voltage increases to above 15.2v, the resistance to charging current increases, and above 16v the charging current is completely blocked. This design offers charge voltage protection up to 40v, ex...

  • Page 6: Specifications

    E t x s e r i e s l i t h i u m b a t t e r i e s 4 specifications model: etx6a-discontinued model as of 4-2016 nominal voltage 13.2 v ah (lead-acid equivalent) 6 ah (1 hour discharge rate) 2.5 (1c rate) pulse crank amps (pca) 140a (3 sec @ 25 °c, voltage >9v) cold crank amps (cca) 80a (modified sae...

  • Page 7

    E t x s e r i e s l i t h i u m b a t t e r i e s 5 weight 1.3 lb. (.6kg) dimensions etx12a 4.5in x 2.6in x 3.7in (113mmx66mmx95mm) etx12b 5.3in x 2.6in x 4.1in (135mmx66mmx105mm) environmental rating (resistance to water intrusion) ip 66 (wash down with a high pressure washer) operating temperature...

  • Page 8

    E t x s e r i e s l i t h i u m b a t t e r i e s 6 pulse crank amps (pca) 420a (3 sec @ 25 °c, voltage >9v) cold crank amps (cca) 270a (modified sae test, 3 sec@ 0°f, voltage >7.2v) max continuous discharge amps 80a standard charge voltage 13.9 - 14.6 v maximum charge voltage 15 v recommended charg...

  • Page 9

    E t x s e r i e s l i t h i u m b a t t e r i e s 7 x86mm x155mm) etx36e 6.6in x 3.4in x 6.9in (166mm x86mm x175mm) environmental rating (resistance to water intrusion) ip 66 (wash down with a high pressure washer) operating temperature -30 °c to +60 °c storage temperature -40 °c to +70 °c model: et...

  • Page 10

    E t x s e r i e s l i t h i u m b a t t e r i e s 8 amps max charge amps 60a (from vehicle charging system) life (charge cycles) 4000 cycles @ 1c discharge rate, 25°c (20% depth of discharge) 2000 cycles @10c discharge rate, 25°c (80% depth of discharge) life (years) 8 years weight 4.1 lb. (1.9kg) d...

  • Page 11

    E t x s e r i e s l i t h i u m b a t t e r i e s 9 nominal voltage 13.2 v ah (1 hour discharge rate) 24.8 (1c rate) pulse crank amps (pca) 1200a (3 sec @ 25 °c, voltage >9v) cold crank amps (cca) 600a (modified sae test, 3 sec@ 0°f, voltage >7.2v) max continuous discharge amps 150a standard charge ...

  • Page 12: Self-Discharge Rates

    E t x s e r i e s l i t h i u m b a t t e r i e s 10 self-discharge rates the self-discharge rate is dependent on temperature. At high temperatures (>25°c), the cell internal resistance decreases so the self-discharge rate increases. See the graph below for self-discharge rates (in % per month) vers...

  • Page 13: Discharge Curves

    E t x s e r i e s l i t h i u m b a t t e r i e s 11 discharge curves voltage is not a good indication of the state-of-charge in lithium batteries. The first graph below shows the state-of-charge versus voltage at a 1c discharge rate for the etx12 (representative of the etx series batteries). Typica...

  • Page 14: Etx36/680 Discharge Curve

    E t x s e r i e s l i t h i u m b a t t e r i e s 12 like lead acid batteries, lithium batteries’ discharge performance is lower as the temperature decreases, meaning the voltages and the ah are lower. The graph below shows the etx12 discharge curves at a 1c rate over a wide operating temperature ra...

  • Page 15: Installation

    E t x s e r i e s l i t h i u m b a t t e r i e s 13 installation battery installation lithium iron phosphate batteries are very robust, but if mishandled or misused they can rupture and they can burn. Never disassemble the battery or disable the built-in battery management system (bms). Never jump ...

  • Page 16

    E t x s e r i e s l i t h i u m b a t t e r i e s 14 be careful that the positive battery terminal does not or will not touch any metal parts of the vehicle. Fault monitoring installation (etx hundred series) the etx hundred series batteries have a discrete output that can be connected to many aircr...

  • Page 17

    E t x s e r i e s l i t h i u m b a t t e r i e s 15 fault monitoring connection to garmin efis the following example details how to connect the fault monitoring output to a remote 12v led. The positive wire (anode, typically the red wire) of the led should be connected to the electrical bus (positi...

  • Page 18: Charging

    E t x s e r i e s l i t h i u m b a t t e r i e s 16 charging failure to follow these instructions may result in damage to the battery! The etx lithium battery is shipped fully charged if ordered directly from earthx, so try to start the vehicle without charging. If ordering from an authorized deale...

  • Page 19: Storage

    E t x s e r i e s l i t h i u m b a t t e r i e s 17 the etx lithium battery is compatible with most “modern” lead-acid battery chargers or 4cell lifepo4 battery chargers. By “modern” we mean a charger that automatically turns off when the battery is fully charged, a charger with a micro-processor, ...

  • Page 20: Troubleshooting

    E t x s e r i e s l i t h i u m b a t t e r i e s 18 troubleshooting the etx lithium battery is an extremely reliable battery with a longer useful life than comparable lead-acid batteries. Despite the high reliability, you may encounter situations where the battery does not operate as expected. Here...

  • Page 21

    E t x s e r i e s l i t h i u m b a t t e r i e s 19 the vehicle electrical system may have a short circuit or current drain: measure the current out of the battery when the vehicle and all vehicle accessories are shutoff. The current reading should be near zero (less than 3ma). If not, the vehicle ...

  • Page 22: Regulations

    E t x s e r i e s l i t h i u m b a t t e r i e s 20 regulations the etx lithium battery was tested to the following safety regulations as outlined in: iec 62660-2 iec 61960:2011 ce — eu consumer safety, health and environmental regulations. Signifies conformity with emc directive (2004/108/ec) thes...