The Optima YellowTop D34/78 (9014-045) is a dual-purpose AGM battery engineered for high performance in demanding applications. Perfect for vehicles with heavy electrical loads such as winches, powerful audio systems, and aftermarket electronics, this battery delivers consistent starting power along with deep-cycle capability. Its spill-proof and maintenance-free design makes it a reliable solution for both everyday drivers and extreme off-roaders.
750 Cold Cranking Amps (CCA) for reliable starting power
Dual SAE and GM-style side terminals for flexible fitment
Deep cycle and starting capability for high-drain accessories
Sealed AGM design – spill-proof and maintenance-free
Vibration-resistant construction extends service life
Fast recharging and optimal cycling performance
Fits both Group 34 and Group 78 configurations
Brand: Optima
Model: D34/78
Part Number: 9014-045
Battery Type: Dual Purpose (AGM)
Voltage: 12V
Cold Cranking Amps (CCA): 750
Reserve Capacity (@25 amps): 120 minutes
C20 Capacity: 55 Amp Hours
Group Size: 34/78
Dimensions (L x W x H): 10.06" x 6.88" x 7.94"
Weight: 43.5 lbs
Terminal Type: Dual (SAE top posts + GM side posts)
Color: Yellow Top
Technology: Absorbent Glass Mat (AGM)
Designed for vehicles requiring Group 34 or 78 batteries
Ideal for trucks, SUVs, hot rods, off-road vehicles, and vehicles with demanding electronic accessories
Always verify fitment with your vehicle’s owner manual or battery tray dimensions
Backed by a 36-month free replacement warranty from Optima
(1) Optima YellowTop D34/78 Battery – Part #9014-045
Original Optima packaging
Warranty registration information
Installation and safety guide
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