Battery With A Larger Reserve Capacity

Hey Everyone,

I am looking for some info on batteries. My is in need of replacing. I want to increase the reserve capacity of the new battery. A battery's reserve capacity (RC) is the amount of time it can supply a constant load before its voltage drops to a certain level. OEM is 130 RC. Was hoping someone would have a part number or other info. My main concern is the physical size of the battery. I want to be sure it will fit and connections are oriented correctly. 150 RC would be good. Thx

 

Look at the specs for a 27F battery. The battery is slightly larger and it will fit if you use a 27f second gen battery tray (74431-0C020).
https://www.tacomaworld.com/threads/anybody-running-larger-27f-battery.460005/

Interstate 27F battery with a 165 RC:
https://www.interstatebatteries.com/products/mtp-27f

 

Slightly = 10.5. To 12.5. And about .5 on the other 2 dimensions. Not sure why change but if you really want to upgrade AGM for more $$$.
Your truck.. your choice

 

it really depends on what you're doing, but if you're finding yourself constantly drawing down the main battery all the time, it would really be better to run a second battery on a charging/isolation circuit, so you can use that second battery for your main off-time draw, without affecting your starting battery.

it's also not healthy for most batteries to be drawn down extremely low all the time, but deep-cycle batteries that work well for that don't make the best starting batteries.