The Optimate Extension Leads enable OptiMate Chargers to be used further from the vehicle or battery.Simply plug one end into the outlet lead of the OptiMate and the other end into the accessory cable (e.g. eyelet lead as supplied with OptiMate, or other SAE accessory). Heavy-duty cables help to prevent Voltage drop.O33 OptiMate SAE - 1m (MTXO33)This is a 5 Amp low temperature rated charger extension lead with weather protected SAE connection system.Innovative heavy-duty connection systemCompatible with standard SAE connectorsReliable weatherproof connectionThick copper 18 SWG cableLength: 100cmWarranty: 3 yearsO13 OptiMate SAE - 4.6m STD (MTXSAE-73)This is a 5 Amp charger extension lead.Innovative heavy-duty connection systemCompatible with standard SAE connectorsReliable weatherproof connectionThick copper 18 SWG cableLength: 460cmWarranty: 3 yearsTM73 OptiMate / AccuMate - 2.5m (MTXEXTLEAD)This is a 2.5 metre extension cable which allows a pre-2015 AccuMate or pre-2012 OptiMate with