If you want 10kw of capability I'd suggest 160ah lifepo4 or more even with the 370amp alt. I'd also suggest tying the rear lithium batts directly to the alt positive post and keeping them somewhat isolated from the agm. If you just parallel them with the agm you could stack resistances and the rear lithium may end up with a slower recharge rate. Really the agm would likely drag down your system overall at that point and I would experiment with removing the agm to see the effect. Many people actually gain performance when removing the agms.
Lithium cells advice.
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maybe pass on the ioxus cap? it has an ominous disclaimer..... 
just on that item, i don't understand how these online companies are selling these things to people, aaahh whatever.
"Disclaimer
This capacitor module was previously the subject of two NHTSA motor vehicle safety recalls for use in on-road vehicles due to the possibility of an internal short resulting in energy from the battery draining into the power board, further resulting in smoke and possibly fire. For further information, refer to NHTSA Recall Notice Nos. 19E078 and 19V916, available at nhtsa.gov/recalls. Resale of the capacitor module for on-road use is illegal under federal law.
The risk of an internal short leading to a thermal event remains in using the capacitor module in an off-road application. Purchaser hereby releases and agrees to indemnify and hold Systematic Power Solutions, LLC, SVJ Holdings, LLC and Systematic Power Manufacturing, LLC harmless from and against any and all claims, damages and judgments arising fromuse of this capacitor module in any application whatsoever, resulting in damage to person (including death) or property.
SYSTEMATIC POWER SOLUTIONS, LLC, SVJ HOLDINGS, LLC AND SYSTEMATIC POWER MANUFACTURING, LLC HEREBY MAKE NO WARRANTY, EXPRESSED OR IMPLIED, WITH RESPECT TO THE CAPACITOR MODULE OR USE THEREOF. ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY EXPRESSLY DISCLAIMED TO THE FULLEST EXTENT. PURCHASER ACCEPTS THE CAPACITOR MODULE “AS-IS”, “WHERE-IS”, WITH ALL FAULTS AND DEFECTS."
just on that item, i don't understand how these online companies are selling these things to people, aaahh whatever.
"Disclaimer
This capacitor module was previously the subject of two NHTSA motor vehicle safety recalls for use in on-road vehicles due to the possibility of an internal short resulting in energy from the battery draining into the power board, further resulting in smoke and possibly fire. For further information, refer to NHTSA Recall Notice Nos. 19E078 and 19V916, available at nhtsa.gov/recalls. Resale of the capacitor module for on-road use is illegal under federal law.
The risk of an internal short leading to a thermal event remains in using the capacitor module in an off-road application. Purchaser hereby releases and agrees to indemnify and hold Systematic Power Solutions, LLC, SVJ Holdings, LLC and Systematic Power Manufacturing, LLC harmless from and against any and all claims, damages and judgments arising fromuse of this capacitor module in any application whatsoever, resulting in damage to person (including death) or property.
SYSTEMATIC POWER SOLUTIONS, LLC, SVJ HOLDINGS, LLC AND SYSTEMATIC POWER MANUFACTURING, LLC HEREBY MAKE NO WARRANTY, EXPRESSED OR IMPLIED, WITH RESPECT TO THE CAPACITOR MODULE OR USE THEREOF. ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY EXPRESSLY DISCLAIMED TO THE FULLEST EXTENT. PURCHASER ACCEPTS THE CAPACITOR MODULE “AS-IS”, “WHERE-IS”, WITH ALL FAULTS AND DEFECTS."
SPL guys like living on the edge I guess. 🤷🏼♂️maybe pass on the ioxus cap? it has an ominous disclaimer.....
just on that item, i don't understand how these online companies are selling these things to people, aaahh whatever.
"Disclaimer
This capacitor module was previously the subject of two NHTSA motor vehicle safety recalls for use in on-road vehicles due to the possibility of an internal short resulting in energy from the battery draining into the power board, further resulting in smoke and possibly fire. For further information, refer to NHTSA Recall Notice Nos. 19E078 and 19V916, available at nhtsa.gov/recalls. Resale of the capacitor module for on-road use is illegal under federal law.
The risk of an internal short leading to a thermal event remains in using the capacitor module in an off-road application. Purchaser hereby releases and agrees to indemnify and hold Systematic Power Solutions, LLC, SVJ Holdings, LLC and Systematic Power Manufacturing, LLC harmless from and against any and all claims, damages and judgments arising fromuse of this capacitor module in any application whatsoever, resulting in damage to person (including death) or property.
SYSTEMATIC POWER SOLUTIONS, LLC, SVJ HOLDINGS, LLC AND SYSTEMATIC POWER MANUFACTURING, LLC HEREBY MAKE NO WARRANTY, EXPRESSED OR IMPLIED, WITH RESPECT TO THE CAPACITOR MODULE OR USE THEREOF. ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY EXPRESSLY DISCLAIMED TO THE FULLEST EXTENT. PURCHASER ACCEPTS THE CAPACITOR MODULE “AS-IS”, “WHERE-IS”, WITH ALL FAULTS AND DEFECTS."
No way I’d put one of these anywhere near my truck. That’s just me though. 😂
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