jorb's product should work fine on battery posts.
I have used for years the following, readily-available product:
Description of NAPA product:
(Conductive) Anti-Seize Compound & Lubricant, 4 oz
NAPA Part: BK 7652569
Product Line: Balkamp
Features_&_Benefits:
Premium Quality Copper Anti-Seize & Thread Lubricant That May Be Used to Prevent Seizing, Corrosion & Galling Where High Temperature Conditions Exist, Contains High Percentage Of Micro-Fine Copper Flakes, Provides Good Electrical Conductivity
I also use the battey post anti-corrosion felt rings available everywhere that auto parts are sold.
