Walmart offers the Camco RV Standard Battery Box
, model no. 55362, for $4.88
. Opt for in-store pickup
to dodge the $4.97 shipping charge. That's tied with our June mention and the lowest price we could find by $14. Designed to protect the battery from the elements, this box features a lift-off lid, a durable woven hold-down strap, foot clamps, and stainless steel screws.