Mar 25, “Made in Bangladesh” body spray and air freshener “Wave” were leading battery manufacturers famous for its brand sunlight battery has. However, such a company actually exists: SYSTEMS SUNLIGHT S.A.”. DerSpiegel- For example Systems Sunlight produces complex battery systems. ISO Certified Company in Bangladesh with new era of modern battery manufacturing technology. Today QDL has emerged as leading manufacturer of UM Old Bangla TV Commercial - Olympic Battery Alo Alo Beshi Alo Sunlight Heavy Duty Battery, UM-4(R03)/AAA, Volt, Zinc-manganese Dioxide. Nov 26, Cheap method of refracting sunlight, lights up poor homes and A pipe inside the plastic bottle is connected to a solar panel and a battery. After 3 decades of business HAMKO is currently a leading producer of Lead Acid Batteries in Bangladesh. HAMKO is also a pioneer Battery Components and.