Optima Sealed Lead Acid Battery-Group 34 Dual Purpose Blue Dual-Threaded

The Optima BlueTop D34M (9016-103) is a dual-purpose marine and RV battery designed for maximum performance, reliability, and longevity. This powerful sealed AGM battery is ideal for applications that require strong cranking power and long-lasting deep-cycle support — including trolling motors, RV appliances, and marine accessories. Its vibration-resistant design and fast recharge rate make it a premium solution for demanding marine environments and recreational vehicles.

Key Features

• 800 Cold Cranking Amps (CCA) for strong starting performance

• Deep-cycle and starting power in one battery

• Spill-proof and maintenance-free sealed AGM design

• Vibration-resistant for rugged marine and RV conditions

• Dual-threaded stainless steel terminals for easy and secure connections

• Faster recharge than traditional flooded batteries

• Mountable in almost any position

Item Specifications

• Brand: Optima

• Model: D34M

• Part Number: 9016-103

• Battery Type: Dual Purpose (Starting + Deep Cycle)

• Technology: AGM (Absorbent Glass Mat)

• Voltage: 12V

• Cold Cranking Amps (CCA): 800

• Marine Cranking Amps (MCA): 1000

• Reserve Capacity (@25 amps): 120 minutes

• C20 Capacity: 55 Amp Hours

• Group Size: 34

• Dimensions (L x W x H): 10.06" x 6.88" x 7.94"

• Weight: 43.5 lbs

• Terminal Type: Dual SAE & 5/16" Stainless Steel Studs

• Case Color: Light Gray with Blue Top

Application / Fitment

• Marine applications: Trolling motors, outboard engine starting, onboard electronics

• Recreational vehicles (RV): Interior power systems, generators, solar setups

• Compatible with any system requiring a Group 34 deep cycle/starting battery

• Not intended for use in passenger car starting-only applications

What’s Included

• (1) Optima BlueTop D34M Dual Purpose AGM Battery – Part #9016-103

• Dual-threaded stainless steel posts (pre-installed)

• Original Optima packaging

• Warranty & safety information