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EarthX ETX-900 Aircraft Lithium Battery
MFR Model# ETX900
Overview
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Note: Not FAA Approved. Intended for use in experimental aircraft only. The ETX900 is lightweight and crazy powerful! This battery is intended for 540ci engine size or less; 80 amp alternator/generator or less. The ETX battery series is fully protected by an integrated battery management system (BMS) that protects the cell’s from over discharge, overcharge, short circuit, temperature, plus cell balancing to ensure charge levels are equal. Additionally, our ETX Hundred series aircraft batteries have redundant electronic circuits and battery fault indication. The fault indicator can be connected into your EFIS or wired to a 12volt LED light on your control panel to alert you to the state of charge and state of health of the battery. (Please see manual for details) |
Features
- The ETX Hundred series is fully protected by an integrated Battery Management System that protects the cell’s from over discharge, over charge, short circuit, thermal protection and built in cell balancing to ensure charge levels are equal (balanced) 100% of the time for optimal performance
- and life.
- The most trusted and used lithium battery on the market. Multiple experimental aircraft manufacturers and experimental engine manufacturers such as Rotax Engines, Continental Motors, UL Power Engines and Viking Engines approve the EarthX brand.
- LiFePO4 chemistry, the most abuse tolerant of all lithium battery chemistries.
- Higher voltage while cranking mean faster starts.
- Extremely light weight, 70-80% lighter than your lead acid battery.
- 4,000 charge cycle life versus 350 charge cycle life of a lead acid battery. Can last up to 8 years.
- Environmentally friendly, no hazardous lead or acid, will not corrode or sulfate.
- Wider operational temperature range than a lead acid battery. (-22° F to 140° F, -30 ° C to 60° C) . A lead acid’s operational range is(-40° F to 113° F or -40° C to 45° C).
- Vibration tested to DD-311 FAA standard.
- Low self discharge rate and fast charging.
Specifications
| Voltage | 13.2V |
|---|---|
| Capacity | 15.6Ah @ I C Rate (See charts Below) |
| Capacity vs Temperature | 25°C= 100% 0°C= 92% -30°C= 80% |
| Self-Discharge Rate | <3% / month @ 25°C |
| Pulse Crank Amps (PCA) | 840A (3 sec @ 25°C, voltage >9V |
| Cold Crank Amps (CCA) | 400A (modified SAE test, 3 sec @ 0°F, volts > 7.2V) |
| Continuous Discharge Amps | 150A |
| Standard Charge Voltage | 13.9 - 14.6V |
| Maximum Charge Voltage | 15V |
| Recommended Charge Voltage | 5 - 20A |
| Max Charge Amps | 80A (from vehicle charging system) |
| Life (Charge cycles, 80% depth of discharge) | 4000 cycles @ 1°C discharge rate, 25°C 2000 cycles @ 10°C discharge rate, 25°C |
| Life (Years) | 8 Years |
| Weight | 4.9 lb. (1.8kg) |
| Dimensions | 6.5 in (L) x 3.1 in (W) x 6.6 in (H) 166mm (L) x 79mm (W) x 168mm (H) |
| 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 |
Why Choose EarthX
- You will instantly remove 11+ pounds compared to the lead acid battery in your experimental aircraft! Now that is a huge weight savings.
- Significant increase in cranking power. If you have been using the PC680, you will increase your CCA’s from 170 to 320 and the PCA’s from 520 to 680! Now that’s power to crank your engine!
- Now you can easily have a backup battery and not worry about the additional weight. In fact, if you switch from a lead acid battery and add a backup battery, so you have a primary and a backup, you still have decreased your overall weight by 50%! Note that only the ETX680C/680/900/1200 have the aircraft specific BMS.
- Innovative and sophisticated BMS designed and engineered with redundancy for safety, reliability, and performance. These are EXCLUSIVE features!
Videos
Reviews
Love it worth the money
Verified Purchase
EarthX EtX900 Aircraft Lithium Battery
Battery is light weight. However the terminal connectors layout are flawed. They are located on the centerline of the battery, with the terminal bolts flush with the case top. Makes a strong back clamp down arrangement a challenge. Concord and PC680 battery connections are located off center line.
Verified Purchase
EarthX EtX900 Aircraft Lithium Battery
Incredible so far worth every pennny!
Verified Purchase
EarthX EtX900 Aircraft Lithium Battery
Awesome battery. Great cranking power.
Verified Purchase
EarthX EtX900 Aircraft Lithium Battery
Much lighter vs PC680 cranks better and less voltage drop. A pure aircraft battery!
Verified Purchase
EarthX EtX900 Aircraft Lithium Battery
This is a great battery. My last one was 6+ years old and still going strong. I replaced it because the manufacturer states that it will last up to 6 years,
Verified Purchase
EarthX EtX900 Aircraft Lithium Battery
I guess I waited long enough to see if its any good. My wife bought this battery over 7 years ago and installed it in her RV-7 with an ECI 370 CI engine. It is still going strong with no drop in typical voltage. It easily cranks the high compression 370 even when hot and flooded. I normally dont give 5-star reviews, but I cant help it here. When she bought it, I thought it was too expensive, but now I know it was well worth the money.
Received intact, undamaged.
Verified Purchase
EarthX EtX900 Aircraft Lithium Battery
Excellent battery replacement for the Odyssey in my RV-9. I got 6 years out of the first one,and only replaced it because an over voltage event damaged it. The only issue I had with the replacement is that EarthX relocated the status wire, requiring me to modify my hold down bracket.
Verified Purchase
EarthX EtX900 Aircraft Lithium Battery
Very lightweight battery. Cranks my IO 540 easily.
Verified Purchase
EarthX EtX900 Aircraft Lithium Battery
Q&A
Please note, Aircraft Spruce Australia's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Australia assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
The terminal screws are included.
Yes, the ETX900-TSO is FAA TSO approved. Please see our part # 11-18242.
The discharge power control circuits.
No. The customer can connect directly to their EFIS system and if they do this, no need for the LED light.
4.9 lbs approx
Yes, it can be shipped via air but it is considered hazardous and will incur hazardous fees.
Vents are not required for this battery.
