Etx lithium battery user’s manual copyright© 2017 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...
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 ....................
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 lithium batteries are designed as a maintenance free replacement for the 12 volt lead-acid or lithium batteries. To ensure a smooth replacement process, our batteries are similar in dimensions to many oem motorsport or power sport b...
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 is >13.3v). Lead-acid batteries are made with 6 cells in series. Another difference is that lithium cells are a dry cell technology, where the cells are packaged individually. As such, the individual cell’s charge level will diverge with repeated c...
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 enhanced, and fault indication is included. All components associated with main electronic battery disconnect are redundant. The built-in redundancy ensures that no single point failure results in the battery unintentionally disconnecting. The desi...
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 the table below shows the most common fault conditions and possible causes. Led light voltage possible cause recommended action slow flashing (5s on/5s off) less than 12.8v battery over-discharged (due to faulty charging system) charge battery. Onc...
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 specifications model: etz5g voltage 13.2 v ah (lead-acid equivalent) 10 ah (1 hour discharge rate) 3.4 (1c rate) pulse crank amps (pca) 240a (3 sec @ 20 °c, voltage >7.2v) cold crank amps (cca) 140a (modified sae test, 3 sec@ 0°f, voltage >7.2v) ma...
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 dimensions 5.9in x 3.4in x 4.5in (150mmx86mmx115mm) 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: etx12a, etx12b...
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 recommended charger/maintainer amps .8 - 8a max charge amps 30a (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 (...
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 operating temperature -30 °c to +60 °c storage temperature -40 °c to +70 °c model: etx36c, d &e voltage 13.2 v ah (lead-acid equivalent) 36 ah (1 hour discharge rate) 12.4 (1c rate) pulse crank amps (pca) 680a (3 sec @ 20 °c, voltage >7.2v) cold cr...
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 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 7.7 lb. (3.5kg) dimensions 6.6in x 3.4in x 6.9in (166mm x86mm x175mm) env...
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 maximum altitude 55,000 ft etx680/680c discharge capacity etx680/680c discharge time 10.5 11.5 12.5 13.5 14.5 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 volt s amp-hours (ah) 6.2a (.5c) 12.4a (1c) 18.6a (1.5c) 10 11 12 13 14 15 0 10 20 30 40 50 60 70 80 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 11 model: etx900 / etx900-vnt voltage 13.2 v capacity 15.6ah @ 1c rate (see below) capacity vs temperature 25 °c = 100% 0°c = 94% -30°c = 88% self-discharge rate pulse crank amps (pca) 840a (3 sec @ 20 °c, voltage >7.2v) cold crank amps (cca) 400a (m...
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 etx900 discharge capacity etx900 discharge time model: etx1200 voltage 13.2 v nominal voltage 12.8 v capacity 24.8ah @ 1c rate (see below) capacity vs temperature 25 °c = 100% 0°c = 94% -30°c = 88% self-discharge rate 10 11 12 13 14 15 0 10 20 30 ...
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 pulse crank amps (pca) 1200a (3 sec @ 20 °c, voltage >7.2v) cold crank amps (cca) 600a (modified sae test, 3 sec@ 0°f, voltage >7.2v) max continuous discharge amps 150a standard charge voltage 13.9 - 14.6 v recommended charger/maintainer amps 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 14 etx1200 discharge time discharge versus temperature we use a similar cold cranking amp test standard as the lead acid battery manufacturers (sae test performed at 0°f, but 3 second discharge time vs 30 second). As such, our battery with a similar ...
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 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...
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 the graph below illustrate that usable ah is nearly the same regardless of the discharge rate, with the voltage remaining above 11.5v for most of the discharge cycle. Like lead acid batteries, lithium batteries’ discharge performance is lower as t...
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 8 9 10 11 12 13 14 0 1000 2000 3000 4000 v mah etx12a discharge curve (1c rate) -10 deg c -30 deg c 25 deg c.
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 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 ...
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 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...
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 fault monitoring connection to dynon avionics skyview sv-ems-220/221 configure the input as “active low”, “alarm” type. Note; when dynon power is off the led inside battery may be dimly lit (less than 120ua, too small to drain the battery). Fault ...
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 21 fault monitoring connection to grand rapids technologies efis the following example details how to connect the fault monitoring output to a remote 12v led. An incandescent bulb can not be used. A 12v led has a current limiting resistor already bui...
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 22 fault monitoring connection to 12v led the table below shows the recommended user alerts based on voltages when in flight. The low charge level is very different from a lead acid battery, for a lithium battery is completely drained at approximatel...
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 23 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...
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 24 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, ...
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 25 storage if the vehicle is to be put in storage for an extended period of time, disconnect the battery cable to eliminate drain from the vehicle’s electrical system. A fully charged battery can be put in storage for over a year without charging. Ou...
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 26 warranty earthx, inc. (manufacturer) warrants its etx lithium batteries (hereafter referred to as battery or batteries) to be free of defects in material and workmanship for a period of two years. Earthx, inc. Warrants the etz lithium batteries an...
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 27 regulations the etx lithium battery was tested to the following safety regulations as outlined in: • faa rtca do-347, rtca do-160, do-254 • iec 62133-2 • ce — eu consumer safety, health and environmental regulations. • un 38.3 these standards set ...
