The LUNA2000-5-E0 battery modules are stackable, allowing for quick and easy installation.It requires the Huawei LUNA2000-5 KW-C0 battery power supply module, which allows the installation of a maximum of 3 modules LUNA2000-5-E0) The displayed price is only for an additional LUNA2000-5-E0 battery module (useable if you want to expand the current battery capacity).Warranty: 10 years Download the technical sheet