1.100% new and high-quality products. 2.Made of high-quality materials, and practical. 3.Small size, simple application, and convenient installation. 4.Efficient and stable performance, long working life. 5.Wide application range. Overcharge voltage range: 4.25-4.35v 0.05v Overdischarge voltage range: 2.3-3.0v 0.05v Working current: 0-10A Working temperature: -40 -+50 Instantaneous current: 11A-13A Storage conditions: -40-+80 Quiescent current: less than 30uA Effective life: 30000 hours Internal resistance: less than 100m The words may be different, but it does not affect the use Color: Blue Material: ABS Package Contents: 10 x Lithium battery protection board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.