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Ultralight Battery Powered

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blane.c

Almost Human
Supporting Member
Joined
Jun 27, 2015
Messages
6,595
Location
PIERMONT NH
Would current rules allow the use of eight of these in a electric ultralight? And if so considering 40hp of efficient motor for takeoff and about 20hp for cruise how long would they give you in flying time (approximately or range of estimate)?
[h=3]Product Specifications for EarthX ETX680 Lithium Battery for Experimental Aircraft & Race Car with 60 Amp Alternator[/h] Specifications:
BM Part #:LTX680
Voltage:12 Volt
Capacity:12.4 Ah
Type:LiFePO4
Length:6.5"
Width:3.1"
Height:6.6"
Cold Cranking Amps:320 CCA / 680 PCA
Shipping Weight:4.10Lbs
Warranty: 2 Year Factory Direct

Features:

  • Due to shipping regulations regarding shipping lithium batteries, the EarthX batteries can only be shipped via FedEX or UPS Ground.
  • Designed for a 60 amp alternator or less
  • 12.4 Ah of reserve power with an amazing 680 cranking amps!
  • LED battery fault light indicator
    • The indicator can be plugged into your control panel.
    • Battery Management System (BMS) redundancy accurately monitors cell voltage, state of charge, and resistance.
  • The ETX680 meets the requirements from Rotax engines as an approved lithium battery for use.
  • Engineered and assembled in the U.S.A.


Thank you.

P.S. some additional info


Specs
Description
Cross Reference

Free Standard Shipping

Order today and receive free standard shipping on your EarthX ETX680 Lithium Battery for Experimental Aircraft & Race Car with 60 Amp Alternator. Only valid in the continental 48 states and not valid with any other offer. Physical address required (No PO Boxes).

The EarthX Lithium batteries (LiFePO4) are designed to be a light-weight, maintenance free replacement of your standard lead-acid battery.

These batteries will work with any vehicle charging system and "modern" lead-acid battery chargers, thanks to the exclusive built-in electronics (Battery Management System, BMS).

No other motorsport lithium battery manufacturer offers a battery with built-in electronics to protect it from over-discharging, over-charging, plus keep the cell's charge level balanced.

Engineered and assembled in the U.S.A.
Nominal Voltage 13.2 Volt
Ah (1 Hour Discharge Rate) 12.4 Ah (1C Rate)
Pulse Crank Amps (PCA) 680A (3 seconds @ 45°C voltage > 9V)
Cold Cranking Amps (CCA) 320A (modified SAE test, 3 seconds @ 0°F, voltage > 7.2 Volt)
Max Continuous Discharge Amps 100A
Standard Charge Voltage 13.9 - 14.6 Volt
Maximum Charge Voltage 15 Volt
Recommended Charger / Maintainer Amps 0.8 - 15A
Max Charge Amps 60A (from vehicle charging system)
Life (Charge cycles, 80% depth of discharge) 4000 cycles @ 1C discharge rate 25°C
2000 cycles @ 10C discharge rate 25°C
Life (Years) 8 Years
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
 
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