Battery labels become confusing when two packages use different units. The Rechargeable AA Batteries Lithium with Charger, 8-Pack 1.5V 3600mWh lists 3,600mWh, an energy figure, rather than 3,600mAh of electrical charge.

Read the Voltage and Energy Together

The stated 1.5V output and lithium rechargeable format distinguish these from familiar 1.2V NiMH rechargeables. That doesn't make them interchangeable in every device. I'd check the equipment's supported battery types and the cell maker's compatibility instructions first.

Quantity: Eight AA cells.
Listed voltage: 1.5V.
Energy claim: 3,600mWh per cell.
Package: A charger is included in the title.

Use the Intended Charger

I'd keep these cells with the charging equipment specified for them. “Rechargeable AA” is too broad a description to justify placing them into any charger already on the shelf. Different battery chemistries and regulation systems need the correct arrangement.

For a group of lights or other gear used often, a matched eight-cell set could simplify rotation. Labeling a set may help keep age and usage similar, particularly in devices requiring several cells together.

Compare Practical Use, Not the Biggest Label

The important questions are whether the device runs correctly, whether its battery indicator behaves usefully, and how replacement is handled. The title alone doesn't establish cycle life, self-discharge, or performance under a particular load.

A charger also needs somewhere suitable to operate and a routine for keeping charged spares ready. Rechargeable cells are most convenient when used and maintained regularly.

I haven't tested these batteries. I'd compare the set for compatible equipment and repeated use, after confirming the exact brand, instructions, and charger details. For an unfamiliar device, compatibility is a stronger buying criterion than the headline capacity figure.