Power · 30 minutes · Basic
Batteries: Choose, Store and Standardize
Alkaline, lithium, and rechargeable NiMH each have a job. Standardize sizes and store them so they're good when needed.
This is for educational purposes only. Not professional medical, electrical, or safety advice.
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The 72-Hour Grid-Down Checklist
One printable page: water, food, power, communication, first aid, security and documents.