Flush Terminals - Flush terminals for better compatibility with Harley motorcycles, Built-In Voltage Meter - Built-in voltage meter so you always know your battery life, Extended Cycle Life - Lasts up to 3Xs longer than standard SLA Batteries, Superior Cranking Power - Up to 70% more cranking power than other products, Low Self Discharge - Able to start with extended periods of storage, Green Energy Nontoxic, no acid, no lead, environmentally friendly, Completely Sealed - Can be installed in any direction or position, Replaces: YTX20-BS.