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4 . Use the right product for the job. There are certain applications for which the was designed.

Some into the wall, some have cell phone chargers and use USB, and some have special charging stations. Most modern use LED ( Emitting Diode) technology instead of older types of bulbs.

Emergency – – Power Outage – Lite Saver – When there is natural disaster like earthquakes, tsunamis, tornados, or just a regular power outage.

https://en.wikipedia.org/wiki/Rechargeable_battery

https://en.wikipedia.org/wiki/Rechargeable_alkaline_battery

https://en.wikipedia.org/wiki/Rechargeable_calling_card

700-Lumen LED Rechargeable Aluminum Flashlight

LED Lighthawk Gen II | Koehler-Bright Star | Wilkes-Barre …

Rechargeable Batteries | eBay

Lighthawk Vision – 600 | Koehler-Bright Star | Wilkes …

Rechargeable Lithium Batteries – Walmart.com