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Bigger battery for Honda Element

I’ve always wished j had a bit more battery capacity in my 05 Honda Element. The stock battery had 410cca and 500 peak amps, group size 51R? After four years it was starting to occasionally have a hard time starting the car, and If I left the lights and radio on for even 20 min or so, I may have a hard time starting the car. So at that time I had the battery replaced with an interstate pro series with 500cca and 650 peak amps, also a series 51R, which in recent days has started to really show its age. This winter has had a couple of instances where the battery barely would start the car on a cold morning. So I decided to do a complete transplant. The following images detail my replacing the interstate battery with a group 35 battery from Costco: 650cca and 800 peak amps.
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Interstate battery still installed.

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Old group 51R battery and new Costco group 35 battery.

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After removing the old battery I had to bend back the ears of the battery tray so that the new battery would sit properly on the tray.

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New battery sitting on battery tray.

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New battery secured with an adjustable battery tie down and new 12inch j-hooks: both available from your local auto parts store, less than $15 total.

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I cut down the top of the j hook closest to the front of the engine compartment with a hack saw to prevent it hitting the hood.

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I used a baking soda and water solution to scrub the corrosion off of the battery contacts before connecting the new battery.

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Battery is finally all installed and ready to go! Total install time was about 30min or so, and I spent less than $100 on the entire project.

13 comments

1 Six { 07.08.14 at 11:31 pm }

Hey, bub. I just finished this mod on my 03 Element EX 20mins ago. Your write up here was instrumental & I wanna thank you for posting it. I stumbled upon it while googling research for the project. I spent a lil extra & bought an Optima Yellow Top battery & anodized battery tie down but your post gave me the confidence to do the upgrade. Thanks again.

2 AJ { 01.10.17 at 12:16 pm }

Hey, thanks for the pics.

just wondering if you used a plastic battery tray or did you put the battery on the metal. Thanks

3 Sightkjg { 12.26.20 at 3:01 pm }

books in ancient times was papyrus

4 Fenderkhz { 01.02.21 at 4:23 pm }

By the end of the 15th century, 35

5 Testerxbo { 01.06.21 at 2:47 pm }

“Julia’s Garland” (fr. Guirlande de Julie)

6 Wirelesspyp { 01.06.21 at 10:19 pm }

Europe, and in Ancient Russia

7 Marshallzan { 01.07.21 at 7:09 pm }

55 thousand Greek, 30 thousand Armenian

8 Amazonnnbec { 01.14.21 at 11:49 pm }

monuments related to deep

9 Haywardjzq { 01.20.21 at 2:04 pm }

reproduced by hand, in contrast

10 Minelabqec { 01.23.21 at 10:10 am }

number of surviving European

11 Batteriesunr { 01.25.21 at 11:43 am }

The most common form

12 Seriespun { 01.26.21 at 10:40 pm }

consists of the book itself

13 Universaluvf { 02.11.21 at 9:45 pm }

collection of poems composed

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