TAC OEM & ODM
21700 400mah 3.7v
MSDS REACH ROHS
Shenzhen zhuhai
500 pcs for single cell , 50pack for battery packs
100000PCS EACH WEEK
7-10 days after order confirm for stock model
meet UN38.3 Certification
lithium ion battery
4000mah-5000mah
Max discharge current 0.2C
purple \ blue and OEM
flat and top
30% advance for battery Pack