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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
Upgrade Your MadJax Ascent to Fleet Lithium
OEM Model Years Factory Voltage GEM e4 2005–Present 72V For 1999–2004 GEM LSV models
Up to 50 miles per charge — 5
IP67 waterproof with Bluetooth monitoring
This prevents the system from accepting a charge when internal temperatures drop below freezing (32°F)
BlueMax Marine Group 24 E-Merge Upgrade Your MadJax Ascent toReliable Marine Starting and Deep Cycle Power in One Compact Footprint Delivers dual purpose performance with 800 Cold Cranking Amps (CCA) for engine starts and 80Ah of deep cycle capacity. Provides up to 4,000 charge cycles at 80% Depth of Discharge, drastically outlasting traditional lead acid alternatives. Protects your investment natively with an integrated Battery Management System (BMS) featuring active cell balancing and low temperature