Solar Based Power Supply For Magneto Telephones-Kerala

Supply Of Solar Based Power Supply For Magneto Telephones, Solar Based Power Supply For Magneto Telephones With The Following Attachments: 1) Built In Long Life Li-On Rechargable Battery 3.7V, 2.5 Ah . It Should Provide At Least 100 Hrs Of Talk Time For The Magneto Telephone With A Full Charge. It Shall Provide A Dc Supply Of 3.3 V + 0.1 V At Upto 100 Ma. Ripple At The Dc Supply Shall Not Exceed 5 Mv At A Load Of 25Ma. There Shall Be No Click Noise At The 3.3 V Power Output When The Interface Changes Through Different Modes Of Operation . 2) A Ten Segment Bar Graph Led Display Shall Be Provided To Indicate The Power Received . The Height Of The Graph Shall Represent The Input Voltage Ranging From 7.1 To 17.1 V + 0.1 V .Easily Visible Led For Displaying Important Information . A) 1St Dual Led With Red Indicate Battery Charging And Green Indicate Charging Is Over . B) 2Nd Dual Led Glow Red When Internal Battery Required Charging And Green When The Battery Is Healthy. 3) Built In Surge Protection For The Communication Line . It Will Be Provided With A Terminal To Connect An External Earth Terminal . Gd Tubes Of Rating 150V And 10000 A Shall Be Internally Connected Between The Lines And Earth To Sink Sudden Spikes . Mov Of Rating 150 V And 50 A Shall Be Internally Connected Between The Lines And Between Earth And Lines To Sink Voltage Surges. Resistance Of 10 Ohms With 5 Watt Ratings Shall Be Internally Connected To The Communication Lines To Restrict Current Flow . 4)12 Watt 18 Volt Solar Panel And Roof/Wall Mountable Powder Coated Steel Mounting Stand Having Tilt Adjustment For Maximum Sunlight And Stainless-Steel Fasteners The Following Cables Are To Be Supplied Along With The Items 1)15Mtrs Braided Cable 2 Core Of 36Swg (0.193 Mm) With 14 Strands For Solar Panel 2) 15Mtrs Cable 2 Core Of 39Swg ( 0.132 Mm) With 7 Strands For External Ringer 3)15Mtrs Cable Single Core Of 36Swg (0.193 Mm) With 40 Strand For Earth .

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