PiggyPower Ember vs. BioLite CampStove

If you are looking for a way to make USB power from heat, there is a good chance you have seen the BioLite CampStove. BioLite helped make the idea easy to understand for a lot of people. Fire can cook food, boil water, and with the right system, also produce usable electricity.

PiggyPower Ember lives in the same general world, but it is not the same type of product.

The BioLite CampStove is a compact wood burning camp stove that can generate electricity from the heat of its own fire. PiggyPower Ember is a ready to go thermoelectric USB power kit that uses heat and water cooling to produce USB output for small devices.

That difference matters.

BioLite is a stove that can generate power.

PiggyPower Ember is a power kit that can use heat sources you may already have.

The biggest difference

The biggest difference between the PiggyPower Ember and the BioLite CampStove is simple.

BioLite brings the fire.

Ember uses the heat.

The BioLite CampStove is built around a burn chamber. You feed it biomass fuel like sticks, twigs, or pellets, and it uses that fire for cooking while also generating USB power. BioLite lists the CampStove 2 Plus with a 3 W USB output, a 3,200 mAh onboard battery, 4 fan speeds, and a boil time of 4.5 minutes for 1 liter of water.

PiggyPower Ember is built around a different idea. Ember is not a stove. Ember does not include a burn chamber. Ember is designed to be used with a controlled heat source and water cooling. Heat goes on the hot side, water cooling removes heat from the cold side, and the temperature difference creates usable USB output.

That makes Ember useful in situations where you already have heat available.

That could be a candle, Sterno, a camp stove, a propane burner, charcoal, a hot plate, a wood stove surface, or another stable controlled heat source. The exact output depends on the heat source, water temperature, water flow, ambient conditions, and what you are trying to power.

BioLite is a stove first

BioLite makes sense if your main goal is outdoor cooking.

If you want a compact wood burning camp stove that can cook food, boil water, and also give you a small amount of USB power, the BioLite CampStove is a strong product. It has a clear use case. You bring the stove outside, gather dry fuel, start a fire, cook, and use some of that heat to charge compatible USB devices.

That is a clean category.

For backpacking, camping, outdoor cooking, or boiling water with sticks and twigs, BioLite makes sense. It is made to be the stove, the fire chamber, and the power source in 1 package.

But that also means you are buying a stove.

That is the key point.

If you already have a heat source, you may not need another stove. You may need a way to turn the heat you already have into small usable USB power.

That is where PiggyPower Ember fits.

PiggyPower Ember is for heat you already have

PiggyPower Ember is designed for people who may already have access to heat during a blackout, camping trip, cabin stay, wood stove use, or emergency situation.

During a power outage, a lot of people still have some kind of heat source available. They may have candles. They may have Sterno. They may have a gas stove. They may have a propane burner. They may have a wood stove. They may have a camp stove. They may have charcoal or another controlled flame.

Ember is designed to use that heat with water cooling to produce small USB power.

That does not make Ember a wall charger. It does not make it a fast charger. It does not make it a whole house power system.

It makes Ember a small emergency USB power kit.

That is the lane.

The PiggyPower Ember Blackout Kit is designed for emergency lighting, blackout preparedness, camping, demonstrations, small USB powered devices, battery bank support, and off grid experimentation. It gives you another way to make useful USB power when the outlet is dead and normal options are limited.

What comes with the Ember Blackout Kit

The PiggyPower Ember Blackout Kit is the ready to go version of the Ember.

It includes the fully assembled Ember USB Cell unit, water cooling hardware, hose barb fittings, hose clamps, short hose connections, 10 ft of additional hose, a 5 gallon gravity water reservoir bag, a shower attachment for the reservoir bag, a USB LED light strip, thermal temperature labels, and basic setup instructions.

That matters because Ember requires water cooling. Cooling is not optional. The system needs heat on one side and water cooling on the other side to produce useful power.

The included 5 gallon reservoir bag gives the user a ready gravity fed cooling source. Place the bag above the unit, allow water to flow through the cooling side, and collect the outlet water in a bucket or container if you want to reuse it.

The included USB LED light strip also gives the customer an immediate use case right out of the box. Connect cooling water, apply controlled heat, plug in the LED strip, and the system can produce practical light when enough temperature difference is created.

That is why the Blackout Kit exists. It is not just a bare thermoelectric part. It is a complete small USB power setup.

What can they power?

Both products are small power systems.

BioLite lists the CampStove 2 Plus with a 3 W USB output and compatibility with most USB chargeable devices like phones, cameras, and lights.

PiggyPower Ember includes 2 USB A ports and 1 USB C port. Each USB output can support up to 3 W depending on conditions. Total output is shared between connected devices and depends on heat source strength, water temperature, water flow, ambient conditions, and the type of device being powered.

In plain English, neither product should be confused with a wall outlet.

These are not refrigerator power systems. These are not microwave power systems. These are not whole house backup systems.

They are small USB power options.

That means lights, battery banks, phones over time, small USB devices, radios, headlamps, and other efficient emergency gear are the kind of use cases that make sense.

The difference is how they get there.

BioLite produces USB power from the fire inside its own stove.

Ember produces USB power from a controlled external heat source and water cooling.

Why Ember makes sense during a blackout

A blackout is different from a camping trip.

During a camping trip, you may be intentionally cooking outside. A wood burning camp stove makes sense there.

During a blackout, you may already have heat sources sitting around your home. You may have candles in a drawer. You may have Sterno. You may have a gas stove. You may have a propane camping stove. You may have a wood stove running for heat.

In that situation, the problem may not be finding a stove.

The problem may be turning available heat into usable power.

That is the Ember argument.

A battery bank only helps while it has stored charge. Solar only helps when light conditions cooperate. A generator can be loud, expensive, bulky, fuel dependent, and not practical for every home or every situation.

Ember gives you another layer.

It gives you a way to produce small USB power from heat and water when the grid is down.

That does not mean Ember replaces every other backup power option. It should not be treated that way. A battery bank is useful. Solar can be useful. A generator can be useful.

But Ember fills a different role.

It is for small power from heat you may already have.

Which one should you choose?

Choose the BioLite CampStove if you want a compact wood burning camp stove that can cook food, boil water, and produce USB power from the fire.

That is BioLite’s strength.

Choose the PiggyPower Ember if you already have controlled heat sources available and want a ready to go USB power kit that uses heat and water cooling to produce small USB output.

That is Ember’s strength.

BioLite makes the most sense when the stove itself is part of what you want.

Ember makes the most sense when the heat source already exists or when you want flexibility with different controlled heat sources.

The practical comparison

BioLite CampStove is best understood as outdoor cooking gear that can also charge USB devices.

PiggyPower Ember is best understood as emergency USB power gear that uses heat and water cooling.

BioLite is great if you want to burn sticks, twigs, or pellets in a compact stove.

Ember is useful if you want to use heat from candles, Sterno, camp stoves, propane burners, wood stove surfaces, hot plates, charcoal setups, or other stable controlled heat sources.

BioLite is a stove with power output.

Ember is a power kit that uses heat input.

That is the core difference.

Is Ember a BioLite replacement?

Not exactly.

PiggyPower Ember is not trying to replace the BioLite CampStove for people who want a wood burning cooking stove. If you need a stove for cooking outside, BioLite is probably the more obvious choice.

Ember is for a different buyer.

It is for someone who wants a small ready to go USB power kit for blackouts, camping, cabins, wood stove use, emergency lighting, battery bank support, and small off grid USB loads.

It is for the person who looks at a candle, Sterno can, camp stove, gas stove, or wood stove and thinks, “I already have heat. Can I use some of that to make power?”

That is exactly why Ember exists.

Final answer

PiggyPower Ember and BioLite CampStove both use heat to produce USB power, but they are built around different assumptions.

BioLite assumes you want a stove.

Ember assumes you may already have heat.

BioLite is a camp stove that can generate electricity.

PiggyPower Ember is a thermoelectric USB power kit that uses heat and water cooling to create small usable power for lights, battery banks, phones, and USB powered devices.

Both ideas make sense.

The better choice depends on what you are actually trying to solve.

If you want to cook outdoors with sticks and twigs while also charging small devices, BioLite is a strong fit.

If you want a ready to go USB power kit that can work with controlled heat sources you may already have, the PiggyPower Ember Blackout Kit may fit the job better.

That is the real difference.

One is a stove that makes power.

The other is a power kit that uses heat.