... 5.battery bl 4u mobile phone li-ion rechargeable battery1. Item: Li-ion battery2.Application: Nokia 3120C/5330XM/5530XM/5730XM ... 1120mah4. Standard voltage: 3.7v5. Cell chemisty PCM: Li-ion battery6. Double protection IC, over current and short circult protection ... no fire and explosion in breaking.9. Grade AAA Li-ion battery cell, high energy environmental protection, durable energy conservation, ...