This article provides information on Elo's BC10 4 Slot Battery Charger (M50)

https://www.elotouch.com/bc10-battery-charger.html

BC10 4 Slot Battery Charger (M50) Specifications

Part Number(s)
E461816

Enclosure Color
Black

Compatibility
Compatible with Elo M50 Batteries

I/O Ports
12V DC IN Jack Connector

Dimensions
2.71" x 7.21" x 6.53" / 69 mm x 183.8 mm x 166 mm

Shipping Box Dimensions
9.25" x 6.93" x 8.27" / 235 mmx 176 mm x 210 mm

Mounting Options
Countertop or Wall (with included wall mount bracket)

Weight (Unpackaged)
1.7 lbs / 0.75 kg

Weight (Packaged)
4.4 lbs / 2.0 kg

Operating Temperature
0°C to 40°C / 32°F to 104°F

Storage Temperature
-20°C to 50°C / -4°F to 122°F

Humidity
Operating: 20% - 80%
Storage: 10% - 95%

Regulatory approvals and declarations
UL, FCC (US) - Class B
cUL, IC (Canada)
CB (International safety)
CE (Europe) - Class B
VCCI (Japan)
RCM (Australia)
China RoHS

MTBF
50,000 hours demonstrated

Warranty
1-year

What's in the Box
Power Adapter 12V/7.5A - 90W
US power cord
EU power cord
Wall mount bracket option
2x M4 screws to attach battery charger to wall mount bracket
1x Tie wrap for cable management
QIG