Quality Certification: ROSH, CE and UL triple certification. No memory effect, over-charge, over-discharge, over-heat, over-current and short-circuit protection If your wireless device's cruising time is significantly reduced, you should replace the battery. Compatible model NO: Ad'vance SP,GBA SP,AGS-001 Compatible Battery Part Number: SAM-SPRBP AGS-003 Specifications: Voltage:3.7V Type:Li-ion Rate:3.33Wh Capacity:900mAh Net Weight:18.3g 0.65oz Gross Weight:43g 1.52oz Size:55.16 x 31.71 x 5.44mm If you are not sure, please send email to us with your battery details or pictures, we will give you professional suggestions, and we will reply within 24 hours.