Battery Lookup

Easily Find the Right Replacement

A battery that is close in the picture still won't get you up and running if the case is too long, the posts sit on the wrong side, or the voltage does not match the device. This replacement battery finder cuts that risk. Filter by voltage, terminal type, and the length, width, and height of the battery you already have, then tighten the list with group size, chemistry, and capacity until only true-fit options remain.

GMI Energy stocks VMAX, Deka, and Voltz batteries across deep-cycle, marine, and powersport applications. Use the lookup to move from a tape measure and a faded label to a sealed AGM or gel battery that drops into the same tray and takes the same cables.

Stop Guessing on Size, Posts, and Voltage

Most incorrect replacements happen because shoppers search by a nickname instead of the physical battery. The filters on this page force the match that actually installs.

• Start with voltage and terminals – Choose from our 6V - 48V range first, then the connection you have: dual posts, M8 inserts, DIN, or powersport terminals. Wrong posts mean adapters, delays, and poor connections.
• Measure the case – Enter length, width (depth), and height ranges from the battery in the tray. A Group 31 look-alike that is a half-inch too tall will not clear the hold-down.
• Narrow with group size and chemistry – GC2, GC12, L16/903, Group 24, Group 31, Group 8D, U1, and powersport groups are all in the catalog. Filter AGM or gel so the chemistry matches your needs.
• Confirm capacity last – Once the battery fits, pick the amp-hour range you need so runtime goes up instead of sideways.

One Lookup for Golf Carts, Boats, Equipment, and Powersports

The same tool surfaces batteries for very different jobs. You do not need a separate catalog for each machine—only the specs on the old battery.

• Deep-cycle banks – High-capacity 6V GC2 and L16 AGM batteries plus 12V GC12 cells for golf carts, scissor lifts, floor machines, and off-grid banks.
• Marine and dual-purpose Group 24 and 31– VMAX and Deka AGM batteries that handle cycling and cranking for boats, RVs, and work trucks.
• Heavy Group 8D and large-case AGM – High-amp-hour replacements when the application demands a long pull and a tall, wide case.
• Powersport and compact gel – Factory-activated AGM motorcycle and ATV batteries plus Deka U1 gel options when the device is small and the space is tight.

Have the model number from the old label? Search that number on the site first. No readable label? Come back here, work the filters from the top down, and let dimensions do the matching.

Order a Battery That Fits the First Time

A correct-fit replacement saves a return, a second shipping cycle, and a machine sitting idle. Measure once, select voltage and terminals, then compare the two or three batteries that survive the filters. Choose AGM when you want sealed, maintenance-free cycling. Choose gel when the application already runs gel and or requires the longest possible lifespan. Match terminals so the cables connect cleanly and torque down without the need for adapters or extensions.

Use the filters above to lock in voltage, terminals, and case size, then add the replacement that matches your battery—not a visual look-alike. Start the lookup now and put the right battery in the cart with confidence.