Epoch Lithium on EzGO RXV Amps

Cheeeco · 07-16-2023, 08:36 PM

My 2008 Danaher RXV set up is the 48V 90AH GC2 - GOLF CART LIFEPO4 LITHIUM BATTERY - COMPLETE kit with 3 batteries bused together. I pulled out 4 12V lead acid and converted to the lithium. It was running fine with no shut downs. After the conversion my cart is shutting down when pulling approx. 180 amps going uphill. Alarms come on then it quits. Have to turn batteries off to reset to get going. I’ve called Epoch support and discussed the opportunity however they are saying this should not be happening. The batteries should be capable of pulling a lot more amps. We’ve looked at wiring diagrams and all is set correctly. My question is this. Will I need another battery to allow more amps to be provided?
Thanks ahead of time for your input. Paul.

Pat911 · 07-16-2023, 08:41 PM

Well max continuous discharge current on those is 60A each, you have three of them so yes, 180A is the trip point (if exceeded for more than 10 seconds). An extra battery will lift that to 240A

Cheeeco · 07-16-2023, 08:44 PM

That’s what I was thinking but they are saying the batteries are capable of more.
I just hate to buy another battery. Thank you.

Pat911 · 07-16-2023, 08:51 PM

What's their justification for saying they're capable of more? The specs are clear

60A Continuous
100A 10 seconds
200A 3 seconds

Multiply by 3 for 3 batteries, less a little bit for imbalance in the current sharing.

https://www.epochbatteries.com/produ...ithium-battery

07-16-2023, 08:36 PM	#1
Cheeeco Not Yet Wild Join Date: Aug 2013 Posts: 36	Epoch Lithium on EzGO RXV Amps My 2008 Danaher RXV set up is the 48V 90AH GC2 - GOLF CART LIFEPO4 LITHIUM BATTERY - COMPLETE kit with 3 batteries bused together. I pulled out 4 12V lead acid and converted to the lithium. It was running fine with no shut downs. After the conversion my cart is shutting down when pulling approx. 180 amps going uphill. Alarms come on then it quits. Have to turn batteries off to reset to get going. I’ve called Epoch support and discussed the opportunity however they are saying this should not be happening. The batteries should be capable of pulling a lot more amps. We’ve looked at wiring diagrams and all is set correctly. My question is this. Will I need another battery to allow more amps to be provided? Thanks ahead of time for your input. Paul.
Cheeeco Not Yet Wild Join Date: Aug 2013 Posts: 36

07-16-2023, 08:41 PM	#2
Pat911 Gone Wild Join Date: Dec 2020 Location: Melbourne, Australia Posts: 1,947	Re: Epoch Lithium on EzGO RXV Amps Well max continuous discharge current on those is 60A each, you have three of them so yes, 180A is the trip point (if exceeded for more than 10 seconds). An extra battery will lift that to 240A

07-16-2023, 08:44 PM	#3
Cheeeco Not Yet Wild Join Date: Aug 2013 Posts: 36	Re: Epoch Lithium on EzGO RXV Amps That’s what I was thinking but they are saying the batteries are capable of more. I just hate to buy another battery. Thank you.
Cheeeco Not Yet Wild Join Date: Aug 2013 Posts: 36

07-16-2023, 08:51 PM	#4
Pat911 Gone Wild Join Date: Dec 2020 Location: Melbourne, Australia Posts: 1,947	Re: Epoch Lithium on EzGO RXV Amps What's their justification for saying they're capable of more? The specs are clear 60A Continuous 100A 10 seconds 200A 3 seconds Multiply by 3 for 3 batteries, less a little bit for imbalance in the current sharing. https://www.epochbatteries.com/produ...ithium-battery

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