MAXimum Performance for Cruiser Riders
Gearing up for everyday heavy-duty riding? When it comes to big engines and big expectations, BS Battery’s BGZ Series delivers the power and reliability V-Twin – cruisers – customs riders demand, all at a more competitive price point.

Part of BS Battery’s SLA MAX range, these 5 new models are built to serve the needs of big touring bikes, cruisers, and heavyweight V-Twin motorcycles. Whether you’re riding a Harley-Davidson, Indian, or another power-hungry machine, the BGZ Series has been engineered for maximum performance in demanding conditions.
These maintenance-free, non-spillable, factory-activated AGM batteries come ready to ride straight out of the box. And they’re not just powerful, they’re the most powerful lead-acid models in the BS Battery lineup, delivering up to +20% more starting power and capacity than standard SLA (Sealed Lead Acid batteries). Ideal when your ride is fully loaded with gear, gadgets, and highway miles ahead.
Thanks to built-in copper terminals, BGZ batteries ensure enhanced conductivity and improved torque performance, offering up to 50% better connection than standard terminals. Their taller internal plates are designed to boost starting power, while their rugged construction increases vibration resistance for more durability over time. The series also features both front and top connections, making installation easier, especially on V-Twin and other heavy-duty motorcycles where space and access matter.
With cold cranking amps up to 500A, SLA MAX – BGZ Series is the go-to choice for V-Twin-focused dealerships looking to offer their customers a powerful upgrade at an unbeatable value.
Looking for even more power with less weight?
BS Battery also offers the Lithium Max range, the ultimate solution for riders who demand maximum performance.

With highly reduced weight, low self-discharge, and extended battery life, these high-end batteries are specially developed for V-Twins, ATVs, UTVs, SSVs, and built to meet the superior needs of power sports enthusiasts and professional riders alike.
If you really want to max out the power of your machines, both the BGZ Series and the new Lithium Max range from BS Battery are built to deliver top-level performance. These two lines are designed to meet the highest expectations of power sports enthusiasts and professionals.