Optima d35 Review 2021

If you suspect that the electrical loads are higher than average or if the discharge cycle is greater than the typical engine starting, then, this is the battery to mount in your vehicle or trolling motor. Not only will the Optima yellow top battery power on your vehicle, but it will also power on the electrical accessories on your vehicles. Read this Optima d35 Review to know more about this battery.

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Some of the best places for using this battery are on racing vehicles, drag racing, vehicles with inverters, and diesel-powered vehicles with aftermarket electronics. Optima brand is a popular and trusted deep cycle battery brand in the market with some of the best performing and powerful batteries. The Optima d35 is one of the best marine batteries and it can also be used in vehicles.

Technical Specifications of the Optima d35 Battery:


Optima d35 8040-218 Yellow Top battery, SC35DA

C20 Capacity: 48 Ah
CCA: 620 Amp
Reserve Capacity @25 Amps: 98 Minutes
Width: 6.75 in
Length: 9.38 in
Height: 7.69 in
Case Material: Polypropylene
Internal Resistance: 0.003
CA: 770 Amp
Group Size: BCI: 35
Case Color: Light Gray
Cover Color: “OPTIMA” Yellow

The Optima d35 YellowTop battery is a deep-cycle and cranking battery. It is vibration resistance, maintenance-free, spillproof, has a faster recharging time, and it is safe to use around your family or in the surroundings. Continue reading this review to find out more about this powerful and compact battery from Optima.

RedTop Starting battery Optima d35 Review 2021

Resistant to vibration

One of the most exceptional features of this battery is that it is 15 times more resistant to vibration than traditional batteries. So, you don’t have to worry about shock or vibration, which makes it be very durable.

Related: Similar lightweight design – The Interstate batteries DCM0035 battery sealed lead-acid 

Lightweight and portable

At a weight of 36.4 pounds, this is a very lightweight device that won’t be a problem installing or transportation by road, air or water. Also, it measures 9-5/16 x 6-13/16 x 7-5/8 inches, thus it is very compact in design and will fit perfectly in your boat or vehicle.

Mountable in any position

You won’t have any problem mounting or installing this battery as it is compact in design. Additionally, the battery can be mounted in any position and angle without having to worry about it spilling or leaking. This is because the battery is spillproof and leak-free.

Related: Optima Batteries Bluetop Starting & Deep Cycle Battery 8052-161 Reviews

Excellent reserve capacity

The battery provides constant power for long as it comes with a good reserve capacity of 98 minutes. Therefore, you won’t see the battery jamming or breaking down easily.

Functions in bad weather

Regardless of whether the weather outside is tough or not, the Optima d35 YellowTop battery will still provide the optimal starting power and run electrical devices on your vehicle or boat. That’s how powerful it is. That’s why it is referred to as a dual purpose battery.

Related: A battery that is very suitable for RV and marine applications – Optima d34m Review

3x longer life

Unlike flooded batteries, this battery provides a 3 times longer life. Hence, you won’t have to worry about getting a new battery anytime soon as this will last for many years.

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This battery is a high-performance AGM battery, thus it doesn’t need to be maintained like other types of battery. There is no adding of fluids or acid in the battery.

Outstanding starting power

This may be a dual purpose battery but it delivers excellent starting power that runs your car or boat.

Related: Both features outstanding starting power – Odyssey Dual- purpose battery Reviews

3-year warranty

The battery is backed up by a 3-year warranty against defects in material and workmanship from the date of purchase. So, no more worrying about the d35 arriving with a defect or damaged part during shipment.


  • It is durably made
  • It resists vibration and shock
  • It is maintenance free
  • It is three times more lasting than traditional marine batteries
  • Quick recharging
  • Easy to mount in any position
  • Dual purpose battery for starting and running electronic accessories on-board
  • 3-year warranty


  • There is some confusion regarding the warranty of the product
  • The battery doesn’t hold the charge for long

If you want a powerful battery for starting and powering in your accessories, then the Optima d35 deep cycle battery is a great alternative. It is compact and lightweight in design for easy transportation. The battery can be mounted with much ease and in any position. It is vibration resistant and recharges quickly. With this battery, you won’t have to acquire a second battery as it performs both functions of starting and powering accessories.

However, the battery is slightly on the high end but it delivers exceptional performance. Also, the manufacturer provides a 3-year warranty to buyers of this product.


Question: Can I use this battery if I have drain problems with my aftermarket alarms and GPS?
Answer: Yes, you can. But you will have to consider getting a higher-capacity alternator to better support the electrical accessories in your vehicle. In case there is a drain when the car is running, it will help to some extent but not solve the drain problem.

Question: Will this yellow Optima battery start my car and power on the accessories?
Answer: This is one of the reasons as to why this battery is regarded to be exceptional. It will help you start and power on the electrical accessories on your vehicle. Thanks to its great reserve capacity that allows it to power on the different accessories on-board.

Still, have a question after reading this Optima d35 Review? Comment below.


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