3D Printer battery pack

~Specification:
•Nominal Voltage:12V
•Nominal Capacity:2.2Ah,4.4Ah,7.8Ah,15.6Ah
•Type:li-ion
•Rechargeable:yes
•Dimension:customized
•OEM & ODM supported

Protection circuit provide such protection as follow:
•Over charger protection
•Over discharge protection
•Over Current protection
•Short circuit protection (Exterior Short Circuit and can be automatic recovery)
•Low resistance
•Maximal continuous discharging current can be customized