Shipping Method: Post Office Or Express Carrier Shipping Options & Estimated Delivery Time: Post Office Economy Shipping: Untracked / 10-30 Working Days Post Office Standard Shipping: Tracking Number Including / 8-24 Working Days Express Carrier Expedited Shipping: Tracking Number Including / 2-7 Working Days Item Condition: Brand New Part Factory Sealed Supplied Part: Rechargeable Battery  2.4V 550mAh  BP-HP550-11 ATTENTION The Part Is Supplied From The Factory As SPARE PART. Commercial Packaging / Retail Box Is Not Included With The Purchase. You Will Receive The Part Exactly As You See It In Photos, In A Brown Bubble Bag. Compatible With: MDR-IF245RK MDR-RF4000K MDR-RF810R MDR-RF810RK MDR-RF811R MDR-RF811RK MDR-RF840R MDR-RF840RK MDR-RF855R MDR-RF855RK MDR-RF860R MDR-RF860RK MDR-RF925 MDR-RF925R MDR-RF925RK MDR-RF970R MDR-RF970RK MDR-RR970RK TMR-RF925R IF YOUR MODEL IS NOT ON THE COMPATIBLE LIST OR IN THE TITLE  PLEASE SEND US A MESSAGE  TO FIND ANY PART YOU NEED FOR YOUR MODEL! IF YOU HAVE ANY QUESTIONS DON'T HESITATE TO CONTACT US