This is a customized Rechargeable Li-ion Battery for Sony Discman CD Player, compatible with BP-2, BP-2EX. 

The rechargeable battery case uses a USB cable (Type C) for charging 2 Li-ion 10440 batteries. It has overcharge protection and stops charging automatically. Red light indicating charge.

It's very convenient, what you need is just a compatible USB cable (Type C) with your USB charger.  

This battery works for many CD players (D-Z555 in the picture), including:SONY: D-66,  DT-66, D-82，D-88，D-90，D-99，D-150，D-250，D-303，D-515，D-555，D-Z555.DENON: DCP-100，DCP-150.AIWA: XP6，XP7.PHILIPS: AZ6808，AZ6819，AZ6829.CROW: CD-10.Please note the listing includes:

• 1 x DIY battery Pack,1 x charging cable.

For international buyers, the package is shipped from TaiWan.

Please note: International buyers will not include batteries. Because the lithium batteries are dangerous items , they cannot be transported by airplane, otherwise the package will be returned to me.Batteries can be buy on Amazon or eBay at $2 each. 

••• Not included BP-2, BP-2EX battery •••

Not included any batteries.This listing is for the charger only.