Daily Offgrid for 29 May: Freezer Power Tradeoff, Portable Backup Power Limits, Battery System Tradeoff

Offgrid is a daily audio summary of the latest ideas, innovations, products, and hard-won lessons for living autonomously and becoming more self-sufficient in energy, tech, food, water, shelter, and everyday systems. This 3-story episode draws from OffGridCabins, OffGridLiving, OffGrid and moves through freezer power tradeoff, portable backup power limits, battery system tradeoff. 1. Freezer Power Tradeoff An off-grid cottage owner is trying to choose between a 12 volt upright freezer and a 120 volt upright freezer for a system that already runs both DC and AC. The claimed daily energy use is about 532 watt-hours for the DC model versus about 700 watt-hours for the AC model before inverter losses, so the real question is whether the lower draw justifies the higher appliance cost. Source link Discussion thread Source subreddit: OffGridCabins 2. Portable Backup Power Limits A homeowner is wondering if they have gone too far after buying a Jackery 1000 for camping, a few phone power banks, and preordering an Anker Solix S2000 for 599 dollars to keep a fridge alive during outages. The real question is not whether there are too many batteries, but whether any of them fit into a complete power system. Source link Discussion thread Source subreddit: OffGridLiving 3. Battery System Tradeoff This story looks at a teardown of two 12 volt LiFePO4 batteries being considered for a small off grid shed that runs lights, a router, tool chargers, and sometimes a chest freezer. The builder is comparing a 230 amp hour pack against a 300 amp hour self-heating pack that costs about the same, with the main question being whether the extra capacity also comes with better internal construction. Source link Discussion thread Source subreddit: OffGrid