... solar energy special-purpose accumulator cell 38AH, 2 year maintenance, life 5 years.3, highly effective LED energy conservation ... lamp 10W (LED life 5 years, 1 year maintenance).4, the lightpost use the galvanization lampstand, spurts models ... -purpose numerical code controller. Life 10 years, 1 year maintenance.6, system: Excessively sufficient, has put, against counter-sufficiently ...