House of Blues

877825_optima_blue.jpgOptima Batteries is giving RVers a charge with its Group 31 BlueTop battery. The BlueTop features Spiralcell technology that provides dual-purpose power to RVs by immobilizing the battery’s internal components and allowing for a more efficient chemical reation, according to the company. Optima claims its maintenance-free BlueTops also have a low rate of self-discharge and can go unused for up to a year while still maintaining a strong starting voltage.


Optima Batteries, (888) 867-8462,

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