This compact boxe holds one or two in parallel 6v 12ah SLA rechargeable batteries. . The cable is our new exclusive rodent proof 7' 8" in length Armor Cable™. No more electrical shorts due to squirrels chewing on the wire. It comes wired so that the batteries can be linked together in parallel maintaining 6v but doubling the amp hour rating. These are made to fit SPARTAN GOCAMS but you may find other models are compatible with the plug. Internal dimensions are 8.2" x 5" x 4.4" Personal experience with good batteries is 4000+ images sent
DOES NOT INCLUDE BATTERIES.
I find the best deals for 6v 12ah SLA batteries in a two or four pack on eBay. A two pack normally runs $26.95 with free shipping. Search Ebay here.
For a charger here are a couple I recommend.