Listed is 20 NiMH AAA batters.
Along with that, the charger needed to charge them.
These are NIB (new, in box)
Unsure about the mAh rating, they may be either 800, or 900 which is quite good for triple A's.
1 year warranty, it's stated they can be recharged 500 times.
Seller has ebay store, nearly 15 grand in feedback numbers of which 99.99% is positive in nature.