2.5kva estimated load capacity:
1 fridge
2 fans,
20 lighting points × 5 watts
DST v decoder
2led t.V
1 music system
1pc / equivalent loads.

2 batteries are required
backup period: this will give you 24hrs backup on full load and can last up to 4days on fewer loads
pure sine wave inverter: 30kg
battery (200ah): 70kg