Detailed Product Description

Mobile phone battery BL-4S

specifications

Shape dimension (mm)

capacity(mah)

voltage(V)

BL-4S

thickness

width

height

nominal

typical

nominal

Max

4.7

37.8

50.1

860

890

3.7

4.2

battery type: Li-ion

Specifications: 1.mobile phone battery for NOKIA

2. Cell chemistry PCM: Li-ion battery

3. Equipped with the advanced IC of PCB for multiple protections function to avoid over-charge or over-heat.

4. Safety and stable: Hi-tech lithium battery undergoes free fall test, vibration test, and puncture test to ensure no fire, no explosion and no leakage

5. Guarantee year: 1year

6 . Working temperature:-20~45