http://www.optimabatteries.com/us/en/support/warranties/on-or-after-2-1-2009/ Amazon may not be an authorized dealer, but many of us sellers of this product are and can provide you with the full manufacturers warranty.

What rv charger converter system is compatible with the Optima? My current wet house battery requires maintenance.

You have to use a "modern" charger that has a "gel battery" selection. I had to buy a new charger to make my gel batteries charge after too much discharge. I think that the gel battery requires a different program that deals with how the charge is taken up in the gel/electrode system rather than the wet electrode system. As I recall, the Optima website has some information on charging gel batteries.

is this a good marine battery

I would say yes. It's all position and sealed. It's amazingly stron and holds a charge extremely well. I used this battery to replace an almost new Toyata battery in a Landcruser. The ca only gets driven once or twice a week. The Toyota battery did not hold a charge well. This yellow top shows me over 1000 cold cranking amps. The Toyota just 500. This is on par with a diesel starting battery.I have a boat with Volvo Diesel engines. I use two 27F marine deep cycle batteries for each other nine. This yellow top could do the job by itself but it's pricey.

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OPTIMA® Batteries High Performance D27F YELLOWTOP® Sealed AGM Battery

Product ID: 6450315

Details

Automotive Fit Type
Vehicle Fit
Battery Cell Composition
Lead Acid
Brand
OPTIMA
Item Highlight
Dual Purpose
Item Weight
54 pounds
OEM Part Number
8037-127

⚡830 Cold Cranking Amps for instant power

🔋66 Ah reserve capacity for long-lasting energy

🛠️15x vibration resistance for rugged durability

¥216855

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power Up Your Ride with the Battery That Never Quits!

MAINTENANCE FREE CONVENIENCE - Forget topping off—sealed AGM design means zero hassle, zero spills.
FASTER RECHARGE READY SOONER - Advanced SpiralCell tech delivers rapid charging to keep you moving.
UNSTOPPABLE DUAL PURPOSE POWER - Premium cranking and deep-cycle performance for trucks, SUVs, and high-demand vehicles.
BUILT TO ENDURE EXTREME CONDITIONS - 15x more vibration resistance and 3x longer life than standard batteries.
VERSATILE MOUNTING ANYWHERE YOU NEED - Spill-proof and mountable in virtually any position for ultimate installation flexibility.

The OPTIMA YELLOWTOP D27F is a 12-volt, 830 CCA AGM battery engineered for dual-purpose use—offering exceptional starting power and deep-cycle capability. Featuring SpiralCell technology with 99.99% pure lead, it delivers faster recharge times, 15 times the vibration resistance, and up to three times longer lifespan than conventional flooded batteries. Maintenance-free and spill-proof, it fits trucks, SUVs, and cars with high electrical demands, ensuring reliable performance in extreme conditions.

Specifications

ASIN	B004SRTN3Q
Automotive Fit Type	Vehicle Specific Fit
Battery Type	Lead Acid
Best Sellers Rank	#168,956 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Performance Battery Accessories
Brand Name	OPTIMA
Compatible with Vehicle Type	Passenger Car, Truck
Customer Reviews	4.3 4.3 out of 5 stars (198)
Global Trade Identification Number	00811405001697
Included Components	Battery
Item Dimensions D x W x H	6.8"D x 12.2"W x 8.7"H
Item Highlight	Dual Purpose Car, Truck and SUV Battery, 830 CCA, Maintenance Free, Versatile Mounting
Item Type Name	lead_acid_battery
Item Weight	54 pounds
Manufacturer	OPTIMA
Manufacturer Part Number	8037-127
Manufacturer Warranty Description	Parts
Model Number	D27F
Number of Items	1
OEM Equivalent Part Number	8037-127
Terminal	SAE Terminal
UPC	811405001697 721112819846
Voltage	12 volts

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¥216855

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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