20A Battery Charger AC Input: 100-240 VAC, 50-60Hz Overcharge Protection: Yes Reverse Polarity Protection: Yes Short Circuit Protection: Yes Spark Proof: Yes Operating temperature: 14°F - 104°F(-10°C - 50°C) Recommender Battery: 12~200Ah Lead-Acid battery/9-108Ah LiFePO4 battery ...20A Battery Charger AC Input: 100-240 VAC, 50-60Hz Overcharge Protection: Yes Reverse Polarity Protection: Yes Short Circuit Protection: Yes Spark Proof: Yes Operating temperature: 14°F - 104°F(-10°C - 50°C) Recommender Battery: 12~200Ah Lead-Acid battery/9-108Ah LiFePO4 battery Output Power:300W Battery Voltage:12V/24V Battery Type:LiFePO4、AGM、STD Weight:0.75kg/1.65Ib Dimension:7.65*3.52*2.91in