Lomui 3800mAh Battery for Samsung Galaxy S3 i9300 EB-L1G6LLU High Capacity Free Ship and Warranty Battery type: Li-ion; Battery voltage: 3.8V; Battery capacity: 3800mAh Uses premium Grade A cells selected from the top 10% to ensure longer battery life and more than 500 charge cycles over the course of its lifetime. Hybrid of power & stable. Tested under strict quality control standards; certified by CE. No memory effect and environmental friendly .