<span> If </span>you<span> leave the </span>charger<span> connected continuously, even at a mere 2 amps, the </span>battery<span> eventually will die. </span>Overcharging<span> a </span>battery<span> causes excessive gassing — the electrolyte gets hot and both hydrogen and oxygen gas are generated. ... On sealed batteries, the buildup of gases could cause the </span>battery<span> to burst.</span>
