BikeMaster 6N12A-2D Battery - 781096

The BikeMaster 6N12A-2D Battery (Part #781096) is a conventional motorcycle battery designed for 6-volt and 12-volt battery applications, making it a go-to replacement option for riders dealing with a dead or aging battery on older and classic motorcycles, ATVs, and powersports equipment. Built to deliver reliable starting power for everyday riding conditions, this BikeMaster conventional battery is a dependable, budget-friendly choice when you need a quality conventional replacement without overspending.

Key Features & Benefits

• 6- and 12-Volt Compatible Applications: Designed to cover a range of 6V and 12V battery applications, giving you flexibility when sourcing a replacement for older or classic powersports vehicles.
• One-Year Manufacturer's Warranty: BikeMaster backs this battery with a one-year manufacturer's warranty, giving you added peace of mind with your purchase.
• Acid Pack Included: The battery ships with an acid pack included, so you have everything you need to activate it — no separate acid purchase required.
• Conventional Battery Design: As a standard conventional (wet cell) battery, this unit is well-suited for older motorcycles and powersports equipment that originally came equipped with a traditional flooded battery.
• Reliable Starting Power: BikeMaster conventional batteries are built to handle everyday riding conditions with consistency, providing dependable cranking performance once properly activated and charged.
• Affordable Replacement Option: At $37.78, this battery offers a cost-effective solution for riders who need a straightforward conventional replacement without stepping up to a premium AGM or lithium battery.

Specifications

• Battery Type: Conventional (flooded/wet cell)
• Part Number / MPN: 781096
• SKU: BKM781096
• UPC: 887337005379
• Voltage Application: 6-Volt and 12-Volt applications
• Acid Pack: Included
• Warranty: One-year manufacturer's warranty
• Brand: BikeMaster

Fitment

The BikeMaster 6N12A-2D battery is a conventional replacement battery sized for the 6N12A-2D battery group designation. This battery size is commonly found on older and vintage motorcycles, small-displacement bikes, and certain ATVs and powersports equipment that use the 6N12A-2D form factor. Because specific year/make/model fitment for this battery designation spans a wide range of older powersports equipment, we strongly recommend verifying compatibility against your vehicle's OEM battery specifications or owner's manual before ordering. If you're unsure whether this battery is correct for your machine, contact our fitment team for guidance — we're happy to help confirm the right part.

Note: This is a conventional flooded battery intended for vehicles that originally used a conventional wet-cell battery. It is not a direct drop-in for applications requiring an AGM or lithium battery.

What's in the Box

• 1x BikeMaster 6N12A-2D Conventional Battery
• Acid pack (included — must be added before use)

Important Pre-Installation Notes

This battery must be filled with the included acid pack and fully charged before installation. Do not install the battery dry or without a proper initial charge, as this will significantly reduce battery life and performance. Once activated, this conventional battery may also require periodic refilling and charging over its service life as part of normal maintenance — this is expected behavior for a conventional flooded battery type.

Why Buy from ThreePiece.us

• Free Shipping on Every Order: The BikeMaster 6N12A-2D Battery ships free to you — no minimum order required.
• Affirm Financing Available: Split your purchase into easy payments with Affirm financing, available at checkout.
• Expert Fitment Support: Not sure if this is the right battery for your bike? Our team has served 10,000+ customers and is available to help verify fitment and answer product questions. Call us at 813-535-5801 or email sales@threepiece.us.
• In Stock and Ready to Ship: This battery is a regularly stocked product — order with confidence knowing it's available for prompt shipping.
• Price Match Guarantee: Found it for less? ThreePiece.us offers a price match guarantee on all products.

Frequently Asked Questions

Q: Does this battery come with acid, or do I need to buy it separately?
A: The acid pack is included with the BikeMaster 6N12A-2D Battery (781096). You will need to fill the battery with the included acid and fully charge it before installation.

Q: Do I need to do anything before installing this battery?
A: Yes. This is a conventional flooded battery and must be activated — meaning you need to add the included acid pack and then fully charge the battery before installing it in your vehicle. Installing it dry or without an initial charge can shorten its lifespan. Once in service, it may also need periodic refilling and charging as part of normal maintenance.

Q: What is the warranty on the BikeMaster 6N12A-2D Battery?
A: BikeMaster covers this battery with a one-year manufacturer's warranty.

Q: How do I know if the 6N12A-2D is the right battery for my motorcycle?
A: The 6N12A-2D designation is a standard battery group size designation. The best way to confirm fitment is to check your motorcycle's owner's manual for the OEM battery part number or group size. If you need help verifying compatibility, contact the ThreePiece.us fitment team at 813-535-5801 — we're glad to assist.