Check the listing for details. NYKO Power Pak 86036-A50 Rechargeable Battery Replacement for XBox Controller. Condition: Used. Listed at 5.75 USD. Up for sale is a preowned NYKO Power Pak 86036-A50 Rechargeable Battery Replacement for XBox Controller. Sold As Is. What you see in the picture is the actual item up for sale. Make sure it is what you want before buying! Serious buyers only! If you have a (0) rating or do not have a confirmed address, please email before buying. If more than one item is purchased, I will try to combine items to save you on shipping, but please let me know ahead of time before end of auction so I do not invoice, until end of second auction. I'll be more than glad to answer any questions. Please remember to leave feedback, I will return the favor once I receive it, if not happy with the product or item I sent you, please contact me and allow me to correct the problem instead of leaving me negative feedback. I ship immediately on receipt of payment.