产品介绍：
4个LED灯泡12V输出接口。
LED灯可显示太阳能板和负载的工作状态，简单直观。
2个USB输出，支持iphone,ipad,安卓手机等大电流充电。
LCD屏可显示充电电流和放电电流以及蓄电池容量，并用拨开关控制其显示状态。
控制器每周对蓄电池进行一次均衡充电，有效的防止蓄电池硫化现象，延长蓄电池使用寿命。
负载手动开关，操作方便。在光照充足的条件下，每天发电量约0.2度。
每天***大功耗为度0.2度 。
内置温度传感器，具有高精度温度补偿。
具有过充、过放、过载保护以及电子短路保护与防反接保护。
TVS防雷保护，系统运行更加可靠、耐用。
Specification: 50W
Introduction:
1. 4 LED lamp, 12V output.
2. LED indicates working condition of solar panel and load in a simple and intuitive way.
3. 2 USB output, compatible with electronic devices,such as iphone, ipad, Android etc.
4. Toggle switch controlled LCD screen shows charging and discharging current as well as battery capacity.
5. The charge controller will implement equalizing charge for battery once a week, which is not only to avoid battery vulcanization but also to extend the lifetime of battery.
6. Convenient hand operated switch.
7. The system generate 0.2kW.h every day under strong daylight.
8. The Max power consumption is 0.2kW.h .
9. Built in temperature sensor with precise temperature compensation.
10. Over-charging, over-discharging protection, overload protection, short circuit protection, power reverse polarity protection.
11. TVS lightning protection to make system work more reliable and durable.
技术参数：
Parameter:
型号 Model | 50W太阳能小系统 50W Small Solar Power Supply System |
太阳能电池板 solar Panel | 50W |
蓄电池 Battery | 12V/33AH |
输出电压 Output Voltage | 5V/12VDC |
额定系统电压Rated System Voltage | 12VDC |
蓄电池端***大允许电压Max Battery Voltage | 24V |
额定蓄电池电流Nominal Battery Current | 10A |
系统电压System Voltage | 12V |
空载损耗 No-load Loss | < 12mA |
超压保护Overvoltage Protection | 17.0V |
均衡充电电压Equalization Voltage Protection | 14.6V；维持时间：1小时 Duration Time; 1 hour |
提升充电电压Boost voltage | 14.4V；维持时间：2小时 Duration Time; 1 hour |
浮充电压Float voltage | 13.8V |
充电返回电压Charging Return Voltage | 13.2V |
过放返回电压Over-discharging Return Voltage | 12.5V |
欠压电压 Under-voltage Voltage | 12.0V |
过放电压Over-discharge Voltage | 11.1V |
USB负载关闭电压 | 10.6V |
USB负载额定总电流 USB Load Total Rated Current | 1.2A |
温度补偿Temperature Compensation | -4.0mv/℃/2V； |
过载、短路保护Over-load, Short Circuit Protection | 1.25倍额定电流30秒； ≥1.5倍额定电流短路保护。 |
工作温度Working Temperature | -20℃至+50℃； |
防护等级 IP Grade | IP30 |
交流输出频率 AC Output Frequency | 50HZ±1 |
