. The installer explained why the 5.12 kWh BSLBATT Wall Mount Battery was chosen for home energy storage, “Our first consideration was to make sure Mr. Dai Hiller had an easy-to-use product. at 80% DOD, a design life of up to 15 years, and a reduced battery maintenance process. The second factor is the space footprint, the BSLBATT Wall Mount Battery's powerful and compact design can be installed in any form in your home and take up as little space as possible! “ BSLBATT Litium