30/06/2026
🔰🆙Full production process of 3.7V polymer lithium battery!
From winding, electrolyte injection, cutting & heat sealing to aging test, every procedure under strict quality control.
🔰🆙We supply custom size lipo batteries for beauty devices, mini massagers, voice recorders & portable electronics.
🔰🆙Complete UN38.3, MSDS & transport certification available.
Ship together with finished machines to save dangerous goods logistics cost!
☎️WhatsApp: +86 187 2708 9386
#3.7VLipoBattery .3Battery