The utility model relates to a rechargeable nearly electric early warning safety helmet of photovoltaic, including the safety helmet body, be provided with the apical string in the safety helmet, the solar photovoltaic board is installed to outside both sides and rear side at the safety helmet body, adorn inside intermediate layer top cap through the hank axle hank of one end above the safety helmet body is inside, the system has a plurality of leading note through -holes on the intermediate layer top cap, admittedly, charging source is equipped with on pressing from both sides intraformational safety helmet body, admittedly, adorn nearly electric precaution device on charging source's next door, the solar photovoltaic board is connected with charging source, charge for the power, charging source is connected with nearly electric precaution device, provide the power for nearly electric precaution device. The utility model discloses can specific distance to 220V380V, 10kV, 35kV, 110kV, 220kV voltage generation alarming warning tone, be particularly suitable for open -air power equipment fortune dimension personnel and use to the long -term effective of performance that report to the police keep.