Recommend rechargeable led light for blackout situations

Per title I'm looking for a rechargeable portable led light mostly higher wattage and long running hours for blackout-power cut like situations as off late electricity goes off during late evening hours pretty frequently.
Went through reviews that most bulbs ahow 12-14 wattage but once the power cuts, they glow only dim & not to their full wattage.

Suggest reasonable options & the one which stay true their wattage during power cuts.
Then can even think of buying 2 units.

blr_p said:

Why not try an inverter? That's really the best option. Affordable too

Click to expand...

My building is going under redev in another year or under hence not a viable option.

blr_p said:

Otherwise whatever emergency lights/lanterns you can find locally. These take long to charge and the battery dies after a couple of years

Click to expand...

Know that hence they are too be kept powered on aka on charging 24hrs and once the lights go off they turn on.

blr_p said:

Better quality lights are pricey

Collapsible LED Lantern (30 LED, 3xAA)

Collapsible LED Lantern (30 LED, 60 Lumens, 3xAA) - Powered by readily available 2xAA (Ni-MH or Alkaline)Lightorati's Note: Please note that this is a good quality lantern and produces very good output for the 3xAA and this not those cheap quality solar lanterns in the market which look

lightorati.in

This lantern seems reasonable

https://lightorati.in/led-lanterns/nitecore-lr40-rechargeable-retro-camping-lantern

Usb c rechargeable

Let someone post from IKEA next

Click to expand...

Bit pricey are fine but serving the purpose is the ultimate goal! Unlike those costly Philips, advertised as 14 watts and glow 5w during power cuts.