1. Can be used with a charger and can be recharged and reused.
2. There are 2 types of batteries. Can be ordered on demand.
3. AAA rechargeable battery, capacity 700mAh 1.2V, nickel-cadmium type.
4. AA rechargeable battery, capacity 700mAh 1.2V, nickel-cadmium type.
5. The charger can charge AA and AAA batteries.
6. The charger has 4 ports and can charge up to 4 batteries.
7. The charger can charge nickel-cadmium batteries and nickel-metal hydride batteries.