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 . This is what 70kWh of lithium ion batteries looks like View Post . One of the biggest problems with solar is that sites are often designed online View Post . A solar panel weighs about 25kg View Post