Select your existing battery model:

Batteries > GS-JSB > GM18A-3A

Standard Replacement:

MLP-2112-C6 Replaces GM18A-3A

The MLP-2112-C6 is the ideal replacement for this battery and is guaranteed to provide better performance and provide several times the lifetime of the original battery with proper use and maintenance.

Comparison

MLP-2112-C6 GM18A-3A  
Length 175mm - 6.89in 180mm - 7.09in  
Width 87mm - 3.43in 90mm - 3.54in  
Height 130mm - 5.12in 162mm - 6.38in  
Weight 1180g - 2.61lbs 6450g - 14.20lbs  
Capacity 21Ah PbEqv 18Ah  
Cold Crank Rating at 0°F: 325 CCA 235 CCA  

You save 11.59 pounds and gain 90 CCA by opting for this replacement model.