BA1000 is battery tester with printer for all 12v/24v car batteries . This battery analyzer can test battery CCA ,voltage ,battery insistance ,battery battery health and charge. The battery checker can indicate battery test results directly ,such as: good battery ,good battery and recharge ,charge and retest ,replace ,bad cell .Moreover ,the digital battery tester also supports testing cranking and charging (alternator ) systems. Display Large LCD display (128 x 64,backlit) with adjustable contrast. Operating Temperature 0 to 50C (32 to 122 F) Storage Temperature -20 to 70C (-4 to 158 F). Power 8 to 16 Volts provided via vehicle battery System voltage 12 Volts Input voltage range 6V~30V rang Testing range 100 ~ 2000 CCA, 100 ~ 1400 DIN, 100 ~ 1400 IEC, 30 ~ 220 AH