Capacities vary widely depending on cell size, roughly from about 90 mAh up to around 1,500 mAh. Examples shown include 90, 130, 185, 200, 620, 800 and 1500 mAh.
Several listings state an operating range of about –22°F to 140°F.
Listings mention multi‑layer child safety such as a 3‑in‑1 Child Shield, Color Alert, non‑toxic bitter coatings, and child‑resistant or child‑secure packaging.
No — the listings indicate these lithium cells are single‑use (non‑rechargeable) primary batteries.
Review summaries commonly note good availability and convenient pickup/delivery, frequent confirmation that batteries fit the intended devices, and multiple mentions that the batteries perform reliably.