Fisch Power Source & How to Get One

The power source in Fisch is a crafted item that lets you use the Sonar Radar to locate treasure and the GPS to see your coordinates, and you get it by completing the quest from the NPC called the Engineer. You need to gather three specific materials — a Battery, a Magnet, and a Copper Wire — and then craft the power source at a crafting table. This guide covers exactly where to find each material, how to craft the power source, and how to use it once you have it.

Formula

This calculator is for a completely different purpose — it works out your average pace and speed from a finish time and distance, which is useful if you are planning a run, cycle, or walk. The formulas are:

• Average pace = finish time (minutes) ÷ distance (km) — result in minutes per kilometer.
• Average speed = distance (km) ÷ (finish time (minutes) ÷ 60) — result in kilometers per hour.

Where t is the finish time in minutes and d is the distance in kilometers. If you prefer miles, convert distance to kilometers first (1 mile = 1.60934 km), or just read the pace as minutes per mile if you enter miles directly.

Worked Example

Using the default values from the calculator: finish time = 50 minutes, distance = 10 km.

1. Pace = 50 ÷ 10 = 5.00 min/km.
2. Speed = 10 ÷ (50 ÷ 60) = 10 ÷ 0.8333 = 12.00 km/h.

So the calculator returns a pace of 5.00 min/km and a speed of 12.00 km/h. That matches the output block exactly.

What the Power Source Actually Does

In Fisch, the power source is a key item that unlocks two important tools on your boat:

• Sonar Radar — shows the location of treasure chests and other underwater points of interest on a small screen.
• GPS — displays your current coordinates, which helps you navigate to specific spots like the Ancient Isle or the Depths.

Without the power source, those screens stay dark and unusable. It is a one-time craft — once you make it, it is permanently installed on your boat, and you do not need to recharge or replace it.

Where to Find the Engineer

The Engineer is the NPC who gives you the quest to build the power source. You can find him on Moosewood Island, near the dock where you first spawn. He stands next to a small workbench with a wrench in his hand. Talk to him and he will ask you to bring him three items:

• 1× Battery
• 1× Magnet
• 1× Copper Wire

He does not sell these items — you have to find them in the world or buy them from other vendors.

How to Get Each Material

Each of the three materials is found in a different place, and some are easier than others. Here is the breakdown:

Battery

The Battery is the easiest of the three. You can buy it from the General Store on Moosewood Island for about 150 in-game cash. It sits on a shelf behind the counter. If you do not want to spend money, you can also find batteries in sunken chests while fishing, but buying one is much faster.

Magnet

The Magnet is trickier. You need to fish it up from the water near Brine Pool or the Ocean — it is a rare catch. Many players report getting it while fishing in the ocean with a basic rod, but the drop rate is low. Alternatively, you can sometimes find magnets in treasure chests, but that is also random. Your best bet is to fish for a while in deeper water and keep an eye out for a shiny, metallic item.

Copper Wire

Copper Wire is found by breaking crates that spawn around the map. You will see wooden crates on docks, beaches, and sometimes floating in the water. Hit them with your fishing rod or any tool to break them open. They drop a random item — often fish bait or coins, but occasionally a Copper Wire. The crates respawn after a few minutes, so you can farm them by running a loop around Moosewood Island.

Crafting the Power Source

Once you have all three materials, go back to the Engineer. He will give you the crafting recipe, and you can craft the power source right there at his workbench. The recipe is simply:

• 1× Battery
• 1× Magnet
• 1× Copper Wire

After crafting, the power source is automatically installed on your boat. You do not need to carry it in your inventory. The Sonar Radar and GPS will now be active every time you are on the boat.

Common Problems and Misconceptions

One common mistake is thinking you need to buy the power source from a shop. It is not sold anywhere — you must craft it. Another misconception is that the power source is a one-time use item that runs out. It does not; it is permanent.

Some players also wonder why their Sonar Radar still shows nothing after crafting. Make sure you are actually on the boat and that you have the radar turned on — there is a small button on the radar screen to activate it. Also, the radar only shows treasure that is within a certain range, so you may need to move closer to the item.

If you are struggling to find a Magnet, try fishing during a server reset or in a less crowded server — some players believe that reduces competition for rare catches, though the game does not officially confirm that.

Frequently Asked Questions

Do I need the power source to progress in the main story?

No, the power source is optional for the main story. You can complete the main quests without it. However, it is very useful for finding treasure chests, which contain valuable items and cash, and for navigating to specific islands using GPS coordinates.

Can I buy the power source from a shop?

No, the power source cannot be bought. It is only obtainable by completing the Engineer’s quest and crafting it yourself. The materials, however, can be bought or found: the Battery is sold in the General Store, while the Magnet and Copper Wire must be found through fishing and breaking crates.

Does the power source run out of battery?

No, the power source is permanent. Once you craft it and install it on your boat, it works forever. There is no durability or fuel mechanic for it.

Where exactly is the Engineer on Moosewood Island?

The Engineer stands near the main dock on Moosewood Island, close to where you first arrive. Look for a character with a wrench and a small workbench next to him. He is not inside any building — he is out in the open, near the water.

Can I get the power source on a different island?

No, the quest is only available from the Engineer on Moosewood Island. You must go there to start and complete it. The materials can be found anywhere, but the crafting recipe is only given by the Engineer.

What if I lose my materials before crafting?

If you lose the materials (for example, by dropping them or dying), you will need to gather them again. The items are not lost on death in the normal sense, but if you accidentally discard them, you will have to find new ones. The Engineer will still accept them when you have them all.

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in t | Finish time | min | 50 | 0
in d | Distance | km | 10 | 0 | 100000
out pace | Average pace | min/km | t / d | 2
out speed | Average speed | km/h | d / (t / 60) | 2