We have sold an off grid system delivering 24 volts DC. The application is "mission important". We have built in a LVD and alarm, but the client wants an "early warning" system based on sending text message to a cell phone number. So we need to program a LCD around 20% residual capacity (easier part) and a cell phone interface. I know the PPA community has a solution: high-end comm link and big bucks. Is there something simple and cheap that we can implement?
- Peter Peter T. Parrish, President California Solar Engineering, Inc. 820 Cynthia Ave., Los Angeles, CA 90065 Ph 323-258-8883, Mobile 323-839-6108, Fax 323-258-8885 CA Lic. 854779, NABCEP Cert. 031806-26 [email protected]
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