Tecmate Optimate TCMTM-251V3 Optimate 7 Select V3 9 Step Battery Saving Tester & Maintainer with 2 Charges & Power Supply, Gold

Ideal for 12V engine start (SLI) and deep cycle lead-acid batteries found in the vehicles / craft above. Select charge voltage of 14.4V for most batteries or 14.7V for premium AGM batteries, or select Power Supply support mode – Selection remains in memory even if AC power is lost. Power Supply mode provides constant power for vehicle tuning, diagnostics and troubleshooting. Fully automatic multi-step program brings the battery safely to full charge – Connect to the battery and OptiMate 7 Select does the rest, no supervision required!