APR 19, 2019 Pageview：917
Intelligent express box is an equipment based on Internet of Things and can recognize, store, monitor and manage the express item. It combines intelligent delivery system with PC server. The PC server can manage all drop-in boxes in delivery system (such as the information of drop-in box, express item, users, etc.) and have integration analysis for all information. Couriers send the express items to designated site and store the items into drop-in box. Then the delivery system will send a massage for user automatically, including pick-up address and validate code. The user can take out the express items at any time when they are free to the drop-in box. This product aims to provide convenient time and place for users.
the requirements of charging and discharging under high-temperature & low-temperature
Charge at -20～55℃;
Discharge at -20～60℃
Ex Type/ equipment category/ gas group/ temperature group
maximum starting current
0.8A starting time:20ms
maximum continuous operating
frequency and time
intermittent use(only use for payment)
communication mode □SMBUS □I2C □HDQ
certification and environmental requirement of finished product
guard plate and hardware configuration
□fundamental protection□PVC+non-fundamental protection■housing+fundamental protection□housing+non-fundamental protection
≤ 50 m Ω
continuous discharge current
Charging and discharging requirements: charge at 0.5c, discharge at 0.5c
the cycle life is over 500 times.
1、Have fundamental protective functions of overcharging, over discharging, overcurrent, short circuit, etc.
2、Ultra-low temperature charging and discharging function (at -20℃, 0.2C charging and discharging current, capacity retention ratio is about 90%
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