TPE Laptop Battery for Apple A1245 A1237 A1304 MB003 MC233 MC234 - Premium quality High performance [Li-Polymer/34Wh/7.4v] Battery Type: Li-Polymer; Voltage: 7.2V;Capacity: 37Wh; 4 Cell, with Free Screwdriver. Battery operation time: approximately 2 hour. Actual operation time will depend on how much electricity is required by the device and how you use it. Overcharger and Discharger Circuit Protection, CE-/FCC-/RoHS-Certified for safety 100% New from Manufacturer, High Performance 37Wh A1245 Replacement Battery. TPE only deals with brand new premium replacement batteries. We only use the highest quality cells inside the battery pack so you will have a long service life. Our inventory turns rapidly and you will always receive a freshly manufactured battery.