Guest battery chargers??

[SEAFARI]

I want to get battery chargers for the boats.
Is anyone familiar with this model? Are they reliable? I have this fear of waking up in the middle of the night and seeing flames in the canal! Here's the info from surplus. It cost about $125.00

Guest ChargePro Waterproof Charger 10 amp. Model
#(2611) A trolling motor charger for the boater who needs 10-12 hour full recovery. This charger is ideal for systems with two 12 volt batteries or a 24 volt configuration. Comes prewired with 6' AC cord and two 4' DC outputs. Input voltage range: 90-140V AC. Total output: 10 amps. 2 banks. Dimensions 7-3/4"W x 5-1/8"H x 2-1/16"D