الكهرباء الضعيفة تنقص عمر الأجهزة مسببات شائعة.(Frequency) و التردد (voltage) تعتبر تقلبات الجهد الكهربائي Voltage and frequency fluctuations are a common culprit 0 Share This Previous Post← Connecting battery cells is not for amateurs Connecting battery cells is not for amateurs Next PostSolar is the only way forward for Lebanon → Solar is the only way forward for Lebanon You May Also Like . Solar panel technology has advanced significantly in the past year View Post . Kehua is a big player in advanced solar View Post . Overkill Solar is an excellent resource View Post