Deep cycle, flooded lead-antimony batteries feature a high cycle life, thick plates, a large liquid reserve, and a ten year warranty (with the exception of the S-460s and the S-530s which offer a seven year warranty). Dry charged models for export are available. Rolls Battery Engineering has been manufacturing the highest quality deep cycle lead-acid batteries for more than 60 years. Their series 5000 system of batteries has been manufactured specifically for renewable energy applications and are designed to offer up to a 20 year lifetime.
