If you place batteries on the market you must ensure that they comply with the substance restrictions for cadmium and mercury. You must not place on the market: 1. any battery that contains more than 0.0005 per cent (5 parts per million) of mercury by weight. 2. any portable battery that contains more than 0.002 per. If you place on the market either: 1. Portable secondary (rechargeable) 2. Automotive batteries and accumulators you must include a label. If you place batteries on the market you must label them with the appropriate chemical symbolor symbols beneath the crossed out wheeled bin symbol: 1. any button cell containing more than 0.0005 per cent of mercury by. If you place batteries on the market you must label them with a crossed out wheeled binsymbol, which tells users that they should be recycled rather than thrown in a bin and sent to landfill. If the batteries are too small to be. If you place appliances on the market that contain batteries, or are designed to incorporate batteries, you must ensure that: 1. the appliance is designed so that a waste battery can be.