Product Name: Digit Camera Battery Packs Model Number: CANON NB-4L Place of Origin: China Brand Name: Jingyou Quality/Safety Certifications: CE, ISO9001 Minimum Order: 500pcs Supply Ability: 10,000pcs/day Features: 1) Capacity: 550mAh 2) Life cycles: 500times 3) At full charge, this camcorder battery pack increases the standby time available before recharging 4) Our battery packs have multiple protection effect, avoid over-charge and over-discharge etc 5) Safe, satisfying and environment friendly Packing: blister and protector