Using a Portable Power Station ("Solar Generator")
The safest plug-and-play option: a lithium battery box you charge from the wall, solar, or a car — and use indoors with no fumes.
Question 1
The goal
Keep phones, lights, a router, a fan or a CPAP running through an outage with zero exhaust or wiring.
Question 2
Materials
- Portable power station (300–2,000 Wh; LiFePO4 lasts longest)
- Wall charger
- Car charging cable
- Optional compatible solar panel
- Power budget from the Start Here lesson
Question 3
Substitutes
- Large USB power banks (20,000 mAh ≈ 74 Wh) for phones only
- UPS battery backup for a router (short runtime)
- 12 V battery + inverter (DIY)
Where to find it
| Material | Household | Wilderness | Urban / scavenged |
|---|---|---|---|
| Power station | Already-owned UPS / power bank | Camping power pack | Hardware, camping and warehouse stores |
| Charging source | Wall outlet before the outage | Solar panel | Car 12 V socket, library outlets |
Question 4
Step by step
- 1
Before storm season, charge it to 100% from the wall and check that every outlet type works.
- 2
Store it at 60–80% charge in a cool, dry place and top it up every 3 months; set a phone reminder.
- 3
When a storm is forecast, charge to 100% and charge all phones and power banks too.
- 4
In the outage, turn on only the outputs you need — AC inverters waste 10–30 W just being switched on. Use USB and 12 V outputs where possible.
- 5
Plug in essentials first (medical, communication, lighting). Watch the 'watts out' display; the hours-remaining estimate updates live.
- 6
For CPAP, use the 12 V DC adapter and turn off the humidifier/heated hose — this can double or triple runtime.
- 7
Recharge in daylight from a solar panel: place panel outside in full sun, run cable inside under a door, and keep the station indoors.
- 8
Or recharge from a running car (outdoors, never in a garage) via the 12 V socket — slow, about 100 W.
- 9
Never cover vents; keep it off carpet and away from water.
- 10
When grid power returns, recharge it to full immediately so it's ready next time.
Saved steps go to My Survival Notebook.
Question 5
The science
A power station combines a lithium battery, a battery-management system, a charge controller and an inverter in one box. Wh capacity divided by your load in watts, times ~0.85 for inverter losses, gives runtime in hours: 500 Wh ÷ 50 W × 0.85 ≈ 8.5 h.
Question 6
Dangers & limits
- Don't run heaters, kettles or microwaves unless the unit is rated for them — they drain it in minutes.
- Lithium fires are rare but serious: don't use a swollen, dropped-and-damaged, or wet unit.
- Solar 'generator' marketing exaggerates; check real Wh capacity.
Question 7
How you know it worked
Your essential devices ran for the planned hours, and the station was recharged by solar or car.