The European Commission's non-food rapid alert system (RAPEX) issued a consumer warning for the SHUNLE brand flashlight produced in China. The notified country of this case is Hungary. The notified product is a rechargeable glare LED flashlight, product type BL-T8830, the barcode is 6944800888304, the product in the Organization for Economic Co-operation and Development (OECDPortal Category) is 78000000 (electrical). The above products are subject to leakage and fire risks. The internal wiring of the product is insufficient in cross section. In the case of a short circuit, the wire may overheat and cause a fire, and the anti-electric cover of the product can be easily removed by hand, causing the live part to be exposed and consumed. The risk of electric shock. This product does not meet the requirements of the EU Low Voltage Directive and the relevant European standard EN60598. Currently, this product has been recalled in the EU and is prohibited from being sold.
The PV Charge Controller works as a voltage regulator, its primary function is to prevent the Battery from being overcharged by the P.V array, being overly discharged by the load, or both.
Controller types:
• Single Stage controllers:
This type of controllers prevents battery overcharging by switching the PV array off when the battery voltage reaches the state of charge set point. The array and battery are automatically reconnected when the battery voltage reaches a lower value called the charge resumption.
• Pulse Width Modulation (PWM) controllers:
PWM controllers are the most common controller on the market today. These charge the battery by rapidly switching the full charging current on and off when the battery reaches a fully charged state. The length of the charging current pulse gradually decreases as battery voltage rises, reducing the average current into the battery.
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