DHC RT-1000 aka (777) ELECTRIC TESTER 6-12 V 7 230AH ABS body (acidproof) Temperature condition: 0C to 50C Dimensions: 251 x 130 x 64mm Weight: 420g Professional tester: Battery 6-12V Starter 12-24V Alternator circuit 12-24V Easy to use, very fast and accurate. With integrated pri Able to test 2 types of lead batteries : Maintenance free VRLA/GEL/AGM/SPIRAL Open batteries SLI From 7 to 230Ah Multi-standard: Standard SAE: 40 to 2000 A Standard DIN: 25 to 1300 A Standard IEC: 30 to 1500 A Standard EN: 40 to 2100 A Standard JIS : Battery type number (Japan) Technical specifications: 7 languages: French, English, German, Spanish, Italian, Portuguese, Japanese ABS body (acid proof) + anti-shock protection