Ecco Lithium Ion Phosphate 51.2v 100ah 5.120 KWh Battery LiFePO4 Longer Cycle Life: Offers up to 20 times longer cycle life and five times longer float/calendar life than a lead acid battery, helping to minimize replacement cost and reduce the total cost of ownership. Lighter Weight: About 40% of the weight of a comparable lead acid battery. A 'drop in' replacement for lead acid batteries. Higher Power: Delivers twice the power of the lead acid battery, even high discharge rate, while maintaining high energy capacity. Wider Temperature Range: -20 C~60 C. Superior Safety: Lithium Iron Phosphate chemistry eliminates the risk of explosion or combustion due to high impact, overcharging, or short circuit situations. What's in the box 1 x Ecco Lithium Ion Phosphate 51.2v 100ah 5.120 KWh Battery Warranties: 5 Years Warranty All inverters and batteries must be installed by a qualified electrical wireman or Master electrician with a valid registration with the Department of Labour. A valid electrical certificate of compliance (COC) must be issued once installed, specific to the installation of the backup or solar system. The installation must be compliant with SANS 10142 and ALL its parts. Any warranty claim submitted without installation photos, a valid COC and proof of a qualified wireman/master electrician installing the unit, can be rejected and will render the warranty claim null at void.