OPTIMA D35 YELLOWTOP Deep-Cycle Battery - 36.4 LBS

Advanced deep-cycle AGM battery with a considerable weight savings over typical stock batteries

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50% Off OPTIMA Battery Mount Kit
The OPTIMA D35 YELLOWTOP Deep-Cycle Battery represents the ultimate in automotive battery technology for modern, accessory-loaded BMWs* and other vehicles. At 36.4 lbs, the lighter weight is one of the advantages we’re drawn to, but OPTIMA Batteries offer so much more.

OPTIMA YELLOWTOP high-performance AGM (Absorbent Glass Mat) batteries hold electrolytes like a sponge, eliminating any chance of acid spilling. This spill-proof design means they can be mounted in virtually any position, and the SPIRALCELL technology allows for low internal resistance that gives you more power in a smaller (lighter) box, plus improved vibration resistance, longer life, and much faster recharging capabilities.

Thanks to the high-purity lead grid and SPIRALCELL technology, the discharge rate of OPTIMA batteries is lower than conventional units while the longevity is higher. The maintenance-free design of the heavy-duty OPTIMA YELLOWTOP deep-cycle battery will easily handle over 300 full discharge and recharge cycles, so it’s got unparalleled cycling capability and premium cranking power every time you start the car, making it perfect for new BMWs that are loaded up with accessories or for those with reworked and enhanced audio/video systems.

The unbeatable starting power, light weight, superior cycling capability, and extreme resistance to the most common causes of battery failure make the OPTIMA YELLOWTOP our choice for our own BMWs and other vehicles that power a lot of electronics.

  • 36.4 lbs (saves up to 13 lbs over typical BMW batteries)
  • Group Size: 35, 9.38" x 6.75" x 7.69"
  • Extreme deep-cycle capability and cranking power
  • CCA: 620 amps
  • MCA: 770 amps
  • Up to 3 times longer life
  • Reserve capacity: 100 minutes
  • Capacity: 48Ah
  • More than 15 times the vibration resistance
  • Spill-proof design, mountable in virtually any position
  • Maintenance-free
  • Faster recharging
  • Optimal starting power
  • Capable of 300+ discharge/recharge cycles
The OPTIMA model number for this battery is D35. If you are replacing an OPTIMA battery you already have, this model is the same as batteries marked 8040-218, 9040-218, YEL35, SC35DA, or N9935YEL.

Batteries by themselves are a universal fitment. This is a "35" size battery, which is not a drop-in fitment for any BMW. Be sure to pick up the appropriate BimmerWorld OPTIMA D35 Battery Mount for quick and secure mounting of your OPTIMA battery using factory mounting points. Other applications will need a custom battery mount.

* While we have used this battery in a wide variety of BMWs, it works best for cars that are driven every day. If you have a newer car with modern electronics (2006 and newer), and don't drive it every day, the OPTIMA H6 or H7 battery may be a better choice. The H6 and H7 are larger and with greater capacity to store power, crucial for cars that sit for extended periods.
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