Ford Focus RS Forum banner

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171 Posts
Discussion Starter · #1 ·
Shave 30 lbs off of your ford Focus RS or ST with grimmspeed's light weight battery mount kit. This kit replaces the factory battery mounting hardware with a light weight laser cut, CNC bent steel bracket. This kit is designed to be used with an Odyssey PC680 light weight battery or a battery with similar dimensions. This straight forward instlalation requires no cutting or drilling.

Don't forget today is also last day to save 10% on most orders while using coupon code: Aug10

More info about this product can be found here: https://www.awdmods.com/ford-focus-rs-st-light-weight-battery-mount-grimmspeed

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698 Posts
Hi battery is ok for durability? Starting Current is better for start and stop??
you will need a battery charger for it too and charge it once a week. the battery will last about 2 years if you charge it regularly...especially in the winter.
start stop will not usually work. everything else works perfectly fine...even a 900 watt stereo amplifier.
 

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311 Posts
The Grimmspeed bracket looks great but the battery is a standard lead-acid, just tiny: 16Ah and 170 cold cranking amps vs. 70Ah and 760 cold cranking amps stock :unsure: You need an auto charger for sure.

I'd pick an AG-H6-40-RS, same size as OE, same weight as the Grimspeed kit, 40Ah, very low self-discharge, and 1500 cold cranking amps because lithium. The only problem is the price.
 
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