12V Maintenance Free Lead Acid Battery

1. Good safety performance: no electrolyte leakage, no battery expansion and rupture under normal use. 2, good discharge performance: stable discharge voltage, gentle discharge platform. 3. The battery in fully charged state is completely fixed and vibrated for 1 hour with an amplitude of 4mm and a frequency of 16.7Hz, without leakage, without battery expansion and rupture, and the open-circuit voltage is normal. 4. A fully charged battery with good impact resistance falls naturally from a height of 20cm to a hard board of 1cm thickness for 3 times. No leakage, no battery expansion and rupture open circuit voltage is normal. 5, over discharge resistance of 25 degrees Celsius, fully charged state of the battery for 3 weeks of constant resistance discharge (resistance value is equivalent to the battery 1CA discharge resistance requirements), the recovery capacity is more than 75%. 6, good overcharging resistance :25 degrees Celsius, fully charged state of the battery 0.1CA charge 48 hours, no leakage no battery expansion and rupture open circuit voltage is normal, capacity maintenance rate of more than 95%. 7, high current resistance good fully charged state of the battery 2CA discharge for 5 minutes or 10CA discharge for 5 seconds. No conductive part is fused. No appearance deformation.