Dimension
Energy
Lights, batteries, backup heating, blackout autonomy.
Assessed questions
Which backup lighting do you have (with tested batteries)?
Do you have a charged power bank ≥ 10 000 mAh?
Do you have non-electric backup heating (stove, fireplace, gas)?
Do you have a solar charger or portable panel?
How well do you know RTE Ecowatt levels (1 = not at all, 5 = subscribed to alerts)?
Do you have spare AA/AAA batteries (tested)?
Recommendations
1.
bronze
Buy 2 LED flashlights + headlamps (~€30) with fresh AA batteries.
Estimated cost: ~30 €
2.
silver
A 20 000 mAh power bank (~€40) covers 5 phone recharges.
Estimated cost: ~40 €
Material checklist
LED flashlight~15 €
AA/AAA battery pack~12 €
Power bank 20 000 mAh~40 €
International resources
Adapted to your country
Emergency numbers, alert systems, official bodies. Select your country on the assessment page to customize.