40ah সাইফ পাওয়ার সোলার ব্যাটারি দাম. 40 Ah Solar Battery Price in Bangladesh. Features and Benefits- Extreme fast charge capability. Special alloy composition reduces the gassing and frequent topping up of electrolyte in turns makes the battery almost maintenance free. Advanced grid design improves the adherence of active material makes the battery corrosion resistance and ensures longer life of battery. Special curing process reduces the active material shedding and increases the life of battery in rough condition. High performance PE Separator used for longer life. High pressure casted spine grid with improved corrosion resistance capability. Tubular positive plate with prolonged cycle life. Manufactured with new, advanced and world class European and USA machineries. First time in South Asia use of advanced Acid Circulation System (ACS) for achieving best quality battery charging to avoid cell to cell, even battery to battery, Voltage or Electrolyte Sp. Gr. variation. First time in Bangladesh use of modern methodology of Lead testing by ICP-OES for best impurity control. Robust design of Rope Handle for easy lifting. High operational reliability.