Lithium Battery owners using HP Tuners chime in

ZLRob · 11-10-2023, 11:40 AM

Just picked one up and am using HP Tuners for vehicle tuning (who doesn't honestly?!). For those running a lithium battery, I'm sure you are well aware the nominal resting voltage is 13.3 volts which is higher than the usual 12.6 nominal voltage of standard lead acid technology. For those running HP Tuners, if your diag system voltage low (located under the "system" tab) is set to 12.5 to give the fuel pump more of a boost have you made adjustments to that in order to match the lithium battery's nominal voltage?

Seems like it would be better to match the new battery's voltage and set it to 13.2 volts instead of a standard battery's voltage in order to better preserve the battery itself. I know all I would need to do is change that parameter value and it's an easy thing to do but for sake of conversation I think it warrants the question anyway.

11-10-2023, 11:40 AM	#1
ZLRob Super Stock Drives: Chevrolet Camaro ZL1 Join Date: May 2022 Location: Concordia Posts: 1,004	Lithium Battery owners using HP Tuners chime in Just picked one up and am using HP Tuners for vehicle tuning (who doesn't honestly?!). For those running a lithium battery, I'm sure you are well aware the nominal resting voltage is 13.3 volts which is higher than the usual 12.6 nominal voltage of standard lead acid technology. For those running HP Tuners, if your diag system voltage low (located under the "system" tab) is set to 12.5 to give the fuel pump more of a boost have you made adjustments to that in order to match the lithium battery's nominal voltage? Seems like it would be better to match the new battery's voltage and set it to 13.2 volts instead of a standard battery's voltage in order to better preserve the battery itself. I know all I would need to do is change that parameter value and it's an easy thing to do but for sake of conversation I think it warrants the question anyway. __________________ 2017 Red Hot ZL1 A10 - Apex ARC-8's, 305/ 325 PS4's, DSX 9.06 12% lower, Griptec OE upper, NGK HR7 Ruthenium plugs, Nostrum 25+ injectors, XDI Goliath HPFP, Katech dual in tank LPFP, Katech oil pump, LME tensioner, DOD delete, LT1 big fuel cam, Jokerz ported blower, MPI lid, GMS hood extractor bracket, Granatelli SS plug wires, Cordes LTR reservoir, DMS T-stat housing, 186* LS3 T-stat, Borla X pipe, Black Widow Angry Housewife/ Corsa NPP mufflers, BMR engine mounts, Banks iDash, Lithium Battery, AEM X- Series, HP Tuners, E85, 16.5 psi 758 HP/ 804 TQ Last edited by ZLRob; 11-10-2023 at 03:34 PM.

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