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TOTEM – The compact home battery, connected via hybrid or retrofit inverter to your PV solar installation. DARWIN EXPERIENCE LEADS TO TRUST Darwin, the renewable energy innovator, can lean on an European R&D and engineering – team with more then 15 years experience in the solar industry. The staff of highly skilled engineers and technicians translate there clever technical solutions and design ideas in a highly innovative product range. INTELLIGENT DESIGN LEADS TO FUNCTIONAL SOLUTIONS Darwin presents the TOTEM range of home batteries. A clever timeless design with character. An approach that can find a place in every location. The product has been designed to last longer then 15 years lifetime. RIDGID EUROPEAN QUALITY CONTROL LEADS TO PIECE OF MIND Durable quality without grants gives peace of mind. Darwin products undergo performance and lifetime tests in reputable European test labs according to international standards: Static capacity tests at various discharge currents Constant power discharge tests Hybrid pulse power characterization tests Self-discharge tests Cold-cranking tests Thermal performance tests Energy-efficiency tests Charge sustaining and depleting cycle life tests Calendar life tests EXTENDED WARRANTIES UP TO 15 YEARS The high quality approach from the Darwin team leads to products which guarantee long factory warranty conditions.