supply of items , laying and jointing pvc pipe. heading , 2kw solar off-grid system solar panel type- bifacial panels of 2kw capacity (i.e. 4 panels of min. 590 w) with minimum efficiency of 22% and minimum 25 yrs. warranty (i.e. 4 efficiency>=16% after 25 yrs.) structure type- complete set of structure (hot-dip galvanized ms or anodized aluminum) which can withstand=150 km/h wind speed with minimum 5 yrs. warranty. inverter type- isi marked solar inverter (r-mppt based technology, 95-98% efficiency) with capacity 2.6 kva to 3 kva/48 v min. 05 yrs. warranty. battery type- iec 62619 certified lifepo4 (lithium iron phosphate) battery with capacity 100ah, 51.2v/48v with minimum 5 yrs. warranty. cables- uv-resistant, copper, xlpe insulated, dc: min. 4 sq.mm, ac: as per load for all- 05 years complete service warranty on site by successful bidder quoted rates should also include cost of all accessories including complete installation, rcc work and wire fitting in whole building with all applicable taxes. , 5kw solar off-grid system rated power of each pv module used- 590 watt and more x 9 panel module warrenty- 25 years warranty of pcu (inverter)- 60 months charger technology- rmppt rated power (kva)- 5 nominal battery dc system- 96 structure type- galvanised module mounting structure capacity of poewr plant- 5 kva generic- acdb, dcdb, earthing and la and other accessories (wire, mcb etc.) battery type- lifepo4 (lithium) battery capacity- 100 ah battery voltage- 96 volt battery warranty- 5 years number of battery- 1 solar panel, battery & pcu inverter- all must be of same brand for all- quoted rates should also include cost of all accessories including complete installation, rcc work and wire fitting in whole building with all applicable taxes