Auto battery tester(BTS-15V10A)/battery testing equipment/battery machine/battery tester machine 1.voltage range:+/-15V The auto battery tester/battery ... testing all the rechargeable battery (as Ni-MH battery, Ni-CD battery, Lithium-ion battery and polymer batter, etc. --battery ... used to test rechargeable battery (as Ni-MH battery, Ni-CD battery, Lithium-ion battery and polymer batter, etc. ), phone ...