CyberTech 2PCS (Qty: 2X) 2450mAh Li-ion Gold Batteries for Samsung Galaxy Proclaim S720C / Transform Ultra M930 / Samsung Exhibit 4G / Exhibit II 4G + Charger The best spare battery for your phone. Portable, lightweight and easy to carry USB Port Output allows you to charge phone directly or provide power to other electronic devices with USB cable (Not Included) This replacement battery has an integrated microchip that prevents overcharging and lengthens battery life 2450 mAh Extra High Capacity. Best Replacement for the original battery with comparable standby and talk time Package includes :2X High Quality 2450mAh Rechargeable Li_ion Batteries with 1X Travel Dock USB/AC Charger. Accessory only, cell phone not included.