1) 12V/15AH solar street light lithium battery product parameters:

▪ Nominal voltage: 11.1V

▪ Nominal capacity: 15AH

▪ Battery internal resistance: ≤80mΩ

▪ Battery weight: 1.5KG

▪ Charging current: less than or equal to 10A

▪ Continuous discharge current: 10A

▪ Protection current: 30A

▪ Charging voltage: 12.6V

▪ Discharge cut-off voltage: 9V

▪ Service life: ≥800 times

▪ Charging temperature: 0～45°C

▪ Discharge temperature: -20～60 °C

▪ Storage temperature: -20 ~ 35 °C

▪ Product shell: aluminum shell plastic shell (optional)

▪ The finished battery also has short-circuit and anti-charge protection

▪ Battery cycle life design requirements: more than 800 times (GB charging and discharging standards)

 2) The main features of Sande solar street light lithium battery:

▪ The battery pack is safe, resistant to high temperatures and has a long cycle life.

▪ The battery pack has a high cycle life and conforms to the concept of low carbon, energy saving and environmental protection.

▪ Built-in battery BMS system with multiple protection functions. The protection system (PCM/BMS) adopts the most advanced chips and MOS from Japan and the United States, with equalization and temperature protection.

▪ The ternary lithium battery material is available.

▪ The domestic brand cell as a combination unit ensures the consistency, stability, and safety of the battery pack.

▪ Multiple and multi-string combination and battery modular design are possible.

▪ The battery comes with temperature protection,

▪ Optional with display (SOC display, voltage, current, and fault displays)

Second, the three German solar lithium battery design program:

1) Battery Management (BMS): It is mainly the protection circuit designed for the rechargeable smart battery pack. Due to the chemical characteristics of the lithium battery itself, it needs to provide intelligent power calculation, overcharge, over discharge, short circuit, over current and over temperature. Protective function. To avoid causing fire, explosion and other dangers.

2) Protection IC (Protection IC): The main protection function chip of the design program, on-line real-time monitoring of the battery cores such as overcharge, overdischarge, overcurrent, and short circuit. Let the battery work in a safe, stable and efficient range.

3) Over-current protection (PTC): Designed primarily for secondary protection functions. The PTC recoverable fuse has overcurrent protection and automatically restores dual functionality. The PTC in the battery product can prevent the battery from high temperature discharge and unsafe high current.

4) 18650 three yuan lithium battery

5) Field Effect Transistor (MOSFET): MOSFET, which acts as a switch in the protection circuit, so that the voltage across the load will never increase or decrease, ensuring voltage stability.