Toshiba Satellite R25-S3503 Battery Replacement LB1 High Performance Toshiba Satellite R25-S3503 replacement laptop batteries are custom manufactured to be 100% compatible and optimized for your Toshiba Satellite R25-S3503 laptop. Toshiba Satellite R25-S3503 High Performance notebook battery utilizes high quality grade "A" cells for higher performance longer life and more reliability. Toshiba Satellite R25-S3503 High Performance computer batteries meet and/or exceed OEM specification and will not void your original manufacturer warranty. Capacity: 5200 mAh | Chemistry: Li-ion | Voltage: 10.8 Volts | Cells: 6 | wHr: 56. Fast charging. Low power consumption. Built-in protection circuit ensures both safety and stability. 100% Customer Satisfaction. Fast Same-Day Shipping by 12:00 PM PDT. 30-Day Money Back Guarantee. 12 Month Warranty. Exclusive $100000 Product Protection Plan!