The Professor reviews the hqst 20A 40A and 60A mppt solar charge controllers for use with Lead or LiFePO4 12v 24v 36v 48v battery banks. Includes built in Parallel Ability, Bluetooth, and Low ...
Opinion
Philstar.com on MSNOpinion

Much-needed regulation

The Department of Trade and Industry (DTI) wants to require both local and foreign manufacturers of solar energy components to first secure a Philippine Standards (PS) safety and quality certification ...