Right now there are 148 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Electronics › Accessories & Supplies › Accessories › Batteries & Chargers. These are inspected returns and open-box items that Amazon sells and ships itself. WarehouseHunter puts each one next to its current new price, so you can see what you save at a glance.

Brands with the most offers here: Sony, K&F CONCEPT, NEEWER, SMALLRIG, Panasonic, Arlo, Canon, GoPro. Every item is a one-off, so the stock moves all day and new deals keep arriving.