We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

Megaware KeelGuard

Megaware KeelGuard BatteryGuard Clear Group 31 80% shock reduction

SKU CH-RJA0-F9HCR

Absorbs up to 80% of G-shock to extend battery life in Group 31 and other sizes

  • ColorClear
  • Reduces up to 80% of G-shock from vibration and bounce
  • Protects against premature battery failure to extend service life
  • Fits Group 31 and virtually any battery size for broad compatibility
  • Trimmable design allows custom shaping for tight installations
  • Suitable for boats, autos, ATVs and trailers where shock occurs

Battery Protection for Marine and Vehicle Use

The Megaware BatteryGuard is a clear shock-absorbing pad designed to sit beneath Group 31 batteries in boats, automobiles, ATVs and trailers. It targets the vibration and impact that lead to premature battery failure.

Trimmable Design Adapts to Any Battery

The pad can be cut to custom shapes or sizes, allowing it to fit virtually any battery footprint. This flexibility means a single product works across different battery brands and tray configurations without modification.

80% G-Shock Reduction Rating

The manufacturer states the material reduces up to 80% of the gravity shock from vibration and bounce. Buyers who need quantified vibration damping for warranty or insurance compliance should verify this figure meets their specific requirement.

Highlights

  • Reduces up to 80% of G-shock from vibration and bounce
  • Protects against premature battery failure to extend service life
  • Fits Group 31 and virtually any battery size for broad compatibility
  • Trimmable design allows custom shaping for tight installations
  • Suitable for boats, autos, ATVs and trailers where shock occurs

Specifications

ColorClear

Questions about this item

How long before the BatteryGuard under a Group 31 battery needs replacing?

The guard is made to last the life of the battery it protects; no scheduled replacement interval is required.

What is the first limit reached when a boat pounds waves all day with this guard fitted?

The guard absorbs up to 80% of G-shock, so the battery's own vibration tolerance becomes the limiting factor.

Does the BatteryGuard add heat or noise during continuous operation?

It is a passive polymer pad with no moving parts, so it generates no noise and adds no measurable heat.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.