User guide

Appendix L – Specifications
60
Power Management
Battery: 7.4 V, 2200mAH rechargeable 2 cell Lithium Ion (Not in DP-550si models)
Endurance: 500 pages or more than 3500 printed inches per charge (except Wi-Fi)
Internal Charging: 2 hours (requires optional power adapter). Printer may be used while charging.
Battery Free Operation: DP-550 models may be used with only optional external power adapter, 100-
240VAC 50/60Hz, or 12-24 VDC vehicle adapter.
DP-550si models require external 8-32 VDC supply and have over voltage
protection to 80VDC for up to one hour and failsafe protection to 180VDC.
Physical Specifications
Size: 7.0 x 5.8 x 3.3 inches, 17.8 x 14.8 x 8.4 cm (L x W x H)
(Does not include ball mount on DP-550si models)
Weight: DP-550 = 1.75 lbs. (0.79 kg) including battery
DP-550si = 1. 75 lbs. (0.79 kg)
Environmental Specifications
Operating Temp: -4° to 122°F (-20° to 50°C) (-40° to 185°F (-40° to 85°C) on DP-550si models)
Storage Temp: -4° to 140°F (-20° to 60°C)
Humidity: 10% to 90% RH (non-condensing)
Rating: IP54 per IEC 529
Chemical Resistance: Chemical resistant case per SAEJ1455
Operator Controls and Indicators
Display: 2 line x 16 character LCD
Indicators: Power, Wireless Connection, Magnetic Card Reader Ready, Battery Status, Fault
Controls: Power, Paper Feed, and two Configuration Buttons
Sensors: Paper, Paper Door Open, Black Mark Detection, and Label Gap Detection (LP
Models Only)
Memory Capacity
Flash: 2MB
SRAM: 1MB
Durability and Reliability
Drop Test: Survives multiple 4 foot drops to concrete (each face), conforms to IEC 68-2
MTBF: 10,000 hours in normal use
Vibration Resistance: 9.8 Grms, 24 to 2000 Hz (DP-550si models only)