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Rcexl Ignition Ver. 2.0 Battery

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Old 05-22-2018, 11:29 AM
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redtail
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Default Rcexl Ignition Ver. 2.0 Battery

Hello guys, I have a Rcexl Twin Ignition System, Version 2.0. I want to use an A123 battery with a 6.6V with a 2500 mah.capacity. I am reading where if you use an A123 battery you need to add a voltage regulator. What is the truth. What A123 can I use - If I can use it at all? HELP. Chic
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Old 05-22-2018, 11:45 AM
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These ignitions require 4.8 to 8.4v. No regulator required! Some of these ignitions are noted to misfire at lower voltages so your LiFe battery is fine.
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Old 05-22-2018, 11:47 AM
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Right from the manual. No regulator needed for the V2

2.) Selecting a power source.
4.8 and 6 Volt NiCd/NiMh Packs.
6.4 Volt Li-Fe(A123) Packs
7.4+ Volt Li-Poly Packs.
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Old 05-23-2018, 04:21 AM
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Thank you guys, forgot to say the voltage listed on the casing said: 4.8v to 6.0 Volts. So decided to use a 6 Volt NiMh Pack. Again, RCU is a strong and accurate source of information and advice. Using this battery to power a twin engine BME 115 ignition module that will power my Charlie Kellogg TBM Avenger that is being built here on the Warbird, Warplane Forum. Again, thanks. Chic
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Old 05-23-2018, 09:05 AM
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Originally Posted by redtail View Post
Thank you guys, forgot to say the voltage listed on the casing said: 4.8v to 6.0 Volts. So decided to use a 6 Volt NiMh Pack. Again, RCU is a strong and accurate source of information and advice. Using this battery to power a twin engine BME 115 ignition module that will power my Charlie Kellogg TBM Avenger that is being built here on the Warbird, Warplane Forum. Again, thanks. Chic
Well, those additional facts you just listed may change the answers! Lets be clear here, the revised ignition is called A-02 (should be printed on ignition label) and this is the version that allows for the increased voltage and AFAIK, this later version is the only one that will work properly on the increased voltage. The earlier A-01 version preferred voltages on the low end of the 4.8 to 6.0V range and some would overheat at 6.0. Before they came out with the A-02 version, they seemed to have made some changes to the A-01 that allowed for the higher voltages and these ignitions seemed to run best in the 6V range. Perhaps this later A-01 is what you have? At any rate, I'd stay with voltages within the range of what is marked on your ignition. A very easy way to accomplish this is by using a Tech Aero IBEC as it has a built in voltage regulator with multiple voltage ranges. A plus is you can get rid of the separate ignition battery in the process and you gain the ability to kill the ignition in flight from the transmitter.
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Old 05-23-2018, 09:33 AM
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Thank you for your follow-up. Will certainly follow your lead such that I will keep within the 4.8 to 6.0 volt range as marked on the casing. Again thanks. Chic
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Old 03-14-2019, 10:40 PM
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Dear all
In this latest version, the minimum voltage is subject to the actual test. I use a 4.8V Ni-MH power battery and the actual capacity is (2000maH) for 1.5 hours of continuous operation. With 4.8V NiMH, the minimum voltage and actual test need to be considered, the maximum speed may be reduced, but the engine can run normally. Two A123 and two lithium-ion batteries are ideal. If using 3 A123 or 3 lithium-ion batteries. It is also very ideal. Up to 12V lead-acid batteries (up to a maximum charge voltage of 14.4V). The higher the voltage, the smaller the current will be. We use the latest design to maintain a certain power.

My bad English, please forgive me.

Rcexl team

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