Zebra QL320/QL420 Batteries:

 

Lithium-ion (Li-Ion) cells represent the latest in mobile battery technology. They offer higher power-to-volume and power-to-weight than their nickel metal hydride and nickel cadmium counterparts. Zebra utilizes Li-Ion technology in its newer RW series, QL series & TR 220 printers.
 
PRINTER BATTERY PART NUMBER AMPERE-HOURS VOLTAGE
QL 220 AT16004-1 2.1 7.4
QL 320 AT16004-1 2.1 7.4
QL 420 AT16293-1 4.2 7.4
TR 220
(PGP 1000)
105822-001 1.9 7.5
RW 420 AK17463-005 2.0 7.4

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