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Charging Lithium Motorcycle Battery with RC Car Charger?

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Old Oct 10, 2023 | 01:14 PM
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Default Charging Lithium Motorcycle Battery with RC Car Charger?

RC cars use high performance Lipo batteries and many people have high end chargers with fast charging and discharging capabilities for these batteries and competitive racing.

Was wondering if my RC charger, iCharger 406 Duo could charge a motorcycle lithium battery?
Here is a link to the manual for the charger; 4010DUO User's Manual (icharger.pl)
It does LiPo/LiLo/LiFe along with NiMH/NiCd

Thanks in Advance!
 
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Old Oct 10, 2023 | 01:50 PM
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I don't see why not as this charger does everything you need (and a lot more). If you already own this and use it at home I assume you have a DC power supply for the input and a good working knowledge of Li-Ion batteries? If not I'd say just go buy a fully automatic Li-Ion battery tender.
 
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Old Oct 10, 2023 | 08:07 PM
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Yes it will work .. Last week I purchased a liepo battery and charger so I read up on all of that recently .. However will your bike keep the lithium battery fully charged ..
 
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Old Oct 10, 2023 | 09:49 PM
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Yes, the Harley charging system will keep a lithium battery fully charged.
 
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Old Oct 10, 2023 | 11:27 PM
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Originally Posted by hamah
I don't see why not as this charger does everything you need (and a lot more). If you already own this and use it at home I assume you have a DC power supply for the input and a good working knowledge of Li-Ion batteries? If not I'd say just go buy a fully automatic Li-Ion battery tender.
Yes I own the charger and have a 1200 watt power supply to use with it.
I have only used it for charging/discharging RC Lipo batters at 40 amps or more.

I’m sure I can figure out how to change the settings to charge LiFe pretty easily.

Thanks
 
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Old Oct 11, 2023 | 02:11 PM
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Ichargers are great to have for all kinds of batteries. Most likely issue will be if your lithium has some type of BMS. Charger will show an error.
These type of chargers are intended to connect straight to cells/packs. If your battery has some sort of balance lead, you can connect through that.
The battery is probably a 4S LIFE. Remember that charger is capable of a lot more charge current than the battery will appreciate. Set accordingly.
 
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Old Oct 11, 2023 | 03:00 PM
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Not to get off the subject topic... but could a person carry a 4S Lipo battery (or a couple) for RC and use as extra capacity for playing stereo or a jump start (like a jump pack)? 4S Lipo batteriers can be 10,000 milliamp hours (not sure how that would translate to draw from a stereo)

Reason I ask is that I am adding audio equipment (SD1200.4 to 6.5" horn coax in lower fairings and horn tweeters tour pack and SD 1600.1 to two 8" midbass in Advanblack dual 8 tour pack lid) to a Sport Glide and the battery is a 20L group. The largest battery I can find is the Braille 620H at 18AH (the 620S is 15AH). It seems most are in the 10AH-12AH range.

I mean the 4S Lipo's are so small and light I could carry a couple for extra capacity?? Maybe a bad idea since the 4S would be 16+ volts fully charged... Maybe just better to get a second battery if needed?

WiIl a single lithium battery (20L group) be sufficient for the system and vehicle?
 
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Old Oct 26, 2023 | 02:41 PM
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Depends on the battery. Some expect 14.8V from an alternator and rectifier-regulator, and will handle charging and balancing. Others are simply 4S with an intelligent shutoff; when the batteries are fully charged it acts as a diode and no further current can enter. So having some sort of intelligent charger that expects naked cells is likely just going result in a lot of false alarms, like it thinks your cells suddenly died and you don't know what state they're in. I'd suggest a simple wall wart charger/maintainer like a Noco Genius or comparable - cheap and they do the job (basically just put out 14.8V with a current limit, and then detect when the current is shut off).
 
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