Battery-Charger-9 Amp-12V-230V-Sealey-SUPERCHARGE10-1-Supplied-in-steel-case-with-carry-handle-these-professional-chargers-feature-plenty-of-ventilation-to-help-maintain-low-transformer-temperatures-A-large-ammeter-displays-rate-of-charge-&-a-dash-mounted-fuse-provides-polarity-protection-in-the-event-that-clips-are-connected-incorrectly-Rocker-switches-control-variable-output-to-the-battery-to-maintain-peak-condition-SUPERCHARGE40-1-offers-electronic-control-&-is-suitable-for-regular-