Lithium battery access standby power supply for automatic sliding door kit is specifically designed for automatic door back-up power. The power can help automatic door work normally once power off (open-close about 200 times, 10 hours continuously), or keep door open Automatically based on fire evacuation requirements.Lithium battery standby power supply battery charge-discharge management by micro-computer. Have set of quick charge, trickle charge and cut off the power automatically in low tension. The life time of power supply for door kit is long.
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