Mighty Max 12V 18Ah SLA Battery for DR Field Mower vs Mercedes-Benz auxiliary back-up battery 000000-004039 (OEM) for GL450/GL550

Overall winner: Mighty Max 12V 18Ah SLA Battery for DR Field Mower

Key Differences

Choose the Mercedes-Benz auxiliary back-up battery (A) if you need a genuine OEM part specifically for GL450/GL550 and want vehicle-fit confidence and easy installation. Choose the Mighty Max 12V 18Ah SLA battery (B) if you need a general-purpose, maintenance-free, rechargeable SLA/AGM battery that mounts in any position for equipment like a DR field mower and includes UL certification

Mighty Max 12V 18Ah SLA Battery for DR Field Mower

Mighty Max 12V 18Ah SLA Battery for DR Field Mower

Mighty Max Battery • ★ 4.2/5 • Budget

12V 18Ah sealed lead-acid battery, maintenance free and rechargeable. UL certified with durable construction and wide operating temperatures. Customers report reliable starts and suitable for pull-behind mowers

Pros

  • maintenance-free SLA design
  • rechargeable and mount-any-position
  • UL certified
  • wide operating temperatures

Cons

  • listing includes battery and screws only (no wiring or mounting accessories)
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Head-to-Head

CriteriaWinner
Price Mighty Max Battery
Durability Tie
Versatility Mighty Max Battery
User Reviews Tie