BL-4cmobile battery For nokia . 890mah The product gets multiple testings, along with charging protection function, OV charging supporting and long standby. It is used raw materials that make the product becomes a higher capacity and stable quality. Besides, the indicators meet the requirements and its protective function is well-appointed. So that consumers feel more confident and secure 1 :standby time →(A quality) → 3--6days 2 :standary voltage → 3.7v 3 :Rechargeable time → >500cycles 4 :battery Net weight →25g/pcs lamination pack 8-12g/pcs 5 :Safety and stable 6 :packing →plastic bag lamination pack color box or blister 7 :carton size→ QTY/CTN 1000pcs/CTN plastic bag , →carton size 25*25*30 8 :carton size →QTY/CTN 500pcs/CTN lamination pack → carton size 33*40*43 ≡If your have interests in our producst pilease contact us now our sales team can do you the best favor and support , ≡If we are not line please leave your name and contact details .eg Email MSN skype ICQ .telephone number etc we will contact you in12 hours