AG3 button batteries: Model: LR41, AG3, L736, 392A, LR736 Brand: Colon source standard voltage 1.5V Dimensions 7.9X3.6 (mm) Rated Capacity 38MAH Product Certification SGS MSDS CE Dimension: Φ7.9mm * 3.6mm Weight: 0.61 (g) AG4 Button Battery: Brand: Colon source vtery Model AG4 (LR626) Standard Voltage 1.5V Dimensions 6.8X2.4 (mm) Rated Capacity 18MAH Product Certification SGS MSDS CE Model: LR626, AG4, LR66, 177 Dimensions: Φ6.8mm * 2.4mm Nominal capacity: 18mah Weight: 0.33 (g) AG10 button batteries: Brand: Colon source model AG10 (LR1130) Standard Voltage 1.5V Dimensions 11.5X3.1 (mm) Rated Capacity 65MAH Product Certification SGS MSDS CE Model: LR1130, AG10, LR1131, 189 Dimensions: Φ11.5mm * 3.1mm Nominal capacity: 65mah Weight 1.10 (g) Colon source Battery advantages: 1, the product passed SGS, UN38.3, ISO9000 , CE certification; 2, quality assurance, with significant leak-proof, long shelf life, high storage capacity, durable and lasting; 3, high energy density, stable discharge voltage, wide temperature range; 4, quality assurance, credibility First, the price to excellent; 5, timely delivery, the variety specification is complete.