Optima D35 Yellow top for Toyota Camry Hybrid

7.5x or more deep discharges compared to batteries optimized for cranking amps! - Chemically configured for deep discharges instead of cranking amps! (see chart below)

Superior vibration resistance! - The tightly wrapped spiral design (see cut away image toward bottom of page.) provides superior vibration resistance so you battery is less effected by pot holes, construction projects, drainage ditches speed bumps and rough roads.

Pure lead! - Because of the spiral design the lead plates do not have to be strengthened with an alloy and are 99.99% pure. This results in lower voltage drop as the battery discharges and contributes to the longer life of this battery!

We have sold them for over two years now and the battery has a less than 1% failure rate! On a Prius the 12 volt battery does not start the engine the high voltage battery does. You do not need the RED TOP battery which is chemically configured to provide a lot of starting power. Instead you need a battery that can handle the slow stead drain than occurs when the car is parked from: the clocks, the memory chips, the security system and the remote entry and key less starting system. THIS YELLOW TOP BATTERY IS DESIGNED FOR THE DEEP DISCHARGES THAT THESE SYSTEMS CAUSE WHEN THE CAR HAS BEEN PARKED FOR A WHILE. (See comparison chart below!)

_____ is Optima red top battery _____ is Optima yellow top battery

soc-% state of charge ocv - open circuit voltage for deep cycle

soc ocv
100 13.18
90 13.01
80 12.83
70 12.65
60 12.46
50 12.28
40 12.08
30 11.89
20 11.68
10 11.48
0 11.27 Look at the graph! A battery chemically configured to take deep discharges (yellow top) has 7.5x(300/40) the life compared to the red top!



From the manufacture:



The unique design of the SPIRALCELL TECHNOLOGY. provides many features not available in ordinary batteries. The following is a summary

SPIRALCELL TECHNOLOGY PROVIDES: More plate surface, closer plate spacing, ability to use high purity lead. RESULTING IN: Low internal resistance. This low internal resistance gives you more power in a smaller box, ability to recharge much faster and higher cleaner voltage characteristics during discharge

Immobilised plates (locked in place). RESULTING IN: Improved vibration resistance, no shedding of active paste material, lower gradual loss of power and capacity as the battery ages. This gives you a battery that lasts longer and performs better throughout its life.



• Weight 36.4lbs.
• Length 9.38inches
• Height 7.69inches
• Width 6.75inches
• Voltage 12 (12v or 12 volts)
• Cold Cranking Amps 620
• Cranking Amps 770
• Reserve Capacity 100
• Capacity (c/20 rate) 48
• Post Type SAE Post
• Valve-regulated absorbed glass mat (AGM) eliminates acid spills and terminal corrosion.
• More than 15 times the vibration resistance of an ordinary battery.
• Last up to twice as long
• Warranty: 3 year exchange, excludes damage due to misuse or neglect, improper charging or improper application of battery
• Free shipping to 48 states: Ships the via UPS ground! Just select the free shipping method




The Federal Magnuson-Moss Warranty Act of 1975 prohibits a manufacture from curtailing warranty coverage due to after market parts unless it can be demonstrated that they caused the problem. (For more information click here and scroll down go to paragraphs under "Tie-In Sales" Provisions.)

This sealed battery has little free liquid electrolyte because it is absorbed into the glass mat. Consequently, there is less danger of acid spilling into the trunk.

The 12 volt battery is not used to crank the gasoline engine in the Camry Hybrid but it does supply all the 12 volts circuitry which includes all of the computers in your car. If this battery fails, the computers will not start and the Camry Hybrid will not start. A weak battery can also pull the 12 volts power down to a lower voltage. This can cause problems with all of the computers that control your car. (When I had a problem with my car the first thing the dealer insisted I do was replace the battery. The problem was caused by something else but the battery was weak.)



Since the 12 volt battery does not start the gasoline engine you can still use the car with a very weak battery. So much so that at least three 2001 to 2003 Prius users have told me that their Prius now gets better mileage with the new battery. I am now starting to get these stories from 2004 + owners also for example:

"The MPG skyrocketed in my car after the battery replacement. I was getting 37mpg on the freeway and now its over 48mpg. Thank God!"

So if your 12 volt battery is very weak and your MPG has deteriorated a weak battery could also be affecting your gas mileage. This may or may not apply to a Camry Hybrid but it probably does!






Availability: Usually ships the same business day Optima D35 Yellow top for Toyota Camry Hybrid D35YT  List price: US$207.02  Sale price: US$173.99