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Backpacking Power Banks · #2

Fat Stash 2

Skullcandy

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By Cal Brennan · Senior Gear EditorReviewed for 2026
Fat Stash 2 — Backpacking Power Banks
#2
Fat Stash 2
Skullcandy

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Expert-picked, reader-ranked. Our editors choose the products and the launch order; member star ratings move picks up or down over time.

Why it made the list

The Skullcandy Fat Stash 2 is aimed directly at weekend backpackers, car campers, and budget-conscious hikers who need dependable power without paying an ultralight premium. Offering 10,000 mAh of stored energy in an uncomplicated form factor, this unit easily provides two to three full smartphone recharges, making it well-suited for two-to-four-day outings where mapping and emergency communication are the main power draws. Performance in the field is straightforward and predictable. The battery uses standard lithium-polymer cells encased in a solid, textured plastic housing that offers a secure grip when handled with cold or gloved hands. It delivers steady power through standard USB-C and USB-A connections, catering to both modern devices and legacy cords. Reviewers praise its straightforward plug-and-play operation and accessible price point, which frequently lands at less than half the cost of premium carbon-fiber alternatives. Weighing in at approximately 7.1 ounces, the Fat Stash 2 is around two ounces heavier than top-tier ultralight competitors. Its charging speeds are modest, lacking the high-wattage throughput required for rapid recharges during quick town stops. For traditional backpackers who charge their devices overnight inside a tent, these speed limitations are generally inconsequential, but fastpackers will notice the extra ounces and slower turnaround times. **Highlights** - Reliable 10,000 mAh capacity at an accessible, budget-friendly price point - Textured outer casing provides good grip in cold or damp conditions - Standard USB-C and USB-A ports accommodate most gear cables - LED fuel gauge provides clear visual feedback on remaining capacity - Durable construction easily handles normal pack compression **Watch-outs** - Heavier than specialized ultralight 10,000 mAh models - Slower input and output charging rates compared to high-wattage PD banks - Basic plastic body lacks formal ingress protection against heavy water exposure

Pros

  • Accessible price point delivers dependable 10,000 mAh capacity on a budget
  • Textured exterior shell ensures a secure grip in cold or damp conditions
  • Includes both USB-C and legacy USB-A ports for broad cable compatibility
  • Sturdy construction holds up well against normal pack compression

Cons

  • Weighs roughly two ounces more than ultralight carbon-composite power banks
  • Modest output speeds lack rapid Power Delivery charging performance
  • No official IP water resistance rating requires careful weatherproofing

Best uses

  • Weekend backpacking trips
  • Budget outdoor travel
  • Car and base camping
  • Emergency pack power reserve

Specifications

Battery Capacity
10,000 mAh
Weight
7.1 oz (201 g)
Port Configuration
1x USB-C, 1x USB-A
Cell Chemistry
Lithium-polymer
MSRP
Approximately $42
Category Award
Best Budget Power Bank (GearJunkie)

Pricing

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Best for

Weekend backpacking trips, Budget outdoor travel, Car and base camping, Emergency pack power reserve

Where to buy the Fat Stash 2

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The Skullcandy Fat Stash 2 is a utilitarian 10,000 mAh power bank designed for hikers, weekend campers, and outdoor travelers who prioritize affordability over gram-counting minimalism. Selling for roughly $42, it provides a functional reserve of stored power capable of refilling a modern smartphone two to three times over the course of a multi-day trip. Rather than attempting to set benchmarks for advanced charging protocols or record-breaking lightness, this battery focuses on dependable, everyday utility. Weighing in at 7.1 ounces, the Fat Stash 2 carries roughly two more ounces than dedicated carbon-fiber ultralight options that cost more than twice as much. For weekend routes where navigation, headlamp maintenance, and emergency satellite messenger top-offs constitute the bulk of electronic demands, that extra weight is an easy compromise for cost-conscious hikers. The unit relies on standard lithium-polymer cells held within a textured plastic chassis designed to resist slippage. While the battery does not feature blazing output speeds or high-wattage power delivery for larger tablets and laptops, it functions reliably for overnight tent charging. It delivers steady energy across standard USB-A and USB-C ports, making it compatible with a wide assortment of existing trail cables. For mainstream outdoor users seeking a budget-friendly backup battery that simply works without fuss, it represents a very practical choice.

Target User Profile

The Fat Stash 2 serves backpackers, day hikers, and campers who need dependable off-grid power without absorbing the high prices of specialist ultralight gear. It is suited for two- to four-day trips where the itinerary revolves around keeping a smartphone, a rechargeable headlamp, and perhaps a satellite communicator operational. Thru-hikers pushing high daily mileage or looking to recharge quickly during short resupply stops will find its turnaround times restrictive, but traditional recreational hikers will appreciate its simplicity. Because it does not require proprietary cables or specialized high-wattage charging blocks, it integrates cleanly into gear setups that favor straightforward, budget-conscious reliability over high-performance specs.

Materials and Shell Construction

Skullcandy builds the Fat Stash 2 with a rigid composite plastic casing featuring pronounced exterior texturing. This ridged finish serves a practical trail purpose, reducing the likelihood of dropping the battery when handling it with cold, wet, or gloved hands. The internal structure secures the lithium-polymer cells tightly against standard pack compression and minor drops. However, the enclosure does not carry an official IP rating for water or dust resistance. Hikers must keep the device sealed in an internal dry sack or a zip-top freezer bag when moving through wet weather, as the exposed port openings will allow moisture intrusion if subjected to heavy rainfall or sustained dampness.

Real-World Charging Performance

With a nominal capacity of 10,000 mAh, this battery delivers steady, predictable output across typical outdoor scenarios. In field conditions, power conversion losses mean users can realistically expect around two full recharges for larger modern smartphones, or multiple replenishments for smaller accessories like headlamps, GPS watches, and camera batteries. The dual-port layout features both USB-C and USB-A, allowing users to run both older and newer cords without carrying extra adapter plugs. Charging speeds are modest; this unit operates on standard output rates rather than high-wattage quick-charge standards, making it better suited for passive overnight recharging inside a sleeping bag rather than rapid mid-hike top-offs.

Trail Durability and Packability

At 7.1 ounces, the Fat Stash 2 occupies a middle-tier weight class. Its rectangular form factor slides smoothly into pack brain pockets, hipbelt compartments, or internal organizers without snagging on adjacent nylon gear. The exterior plastic shell resists scuffs and surface wear from trail grit, maintaining its structural integrity when compressed beneath a heavy load. A simple row of LED indicator lights on the exterior communicates remaining battery levels at the press of a button. While it lacks the reinforced rubber bumpers seen on dedicated ruggedized bricks, the casing is robust enough to survive routine camp use without requiring delicate handling.

Field Usage and Cold Management

Like all lithium-polymer batteries, the Fat Stash 2 experiences decreased usable capacity when exposed to sub-freezing temperatures. Cold ambient air slows chemical reactions inside the cells, which can cause voltage drops and premature shutoffs if the bank is left sitting exposed in camp. Hikers operating in shoulder seasons or frosty conditions should sleep with the power bank inside their sleeping bag footbox to preserve energy. When recharging smaller items like headlamps or smartwatches, the power bank delivers steady low-draw power without prematurely cutting off the connection, though users should ensure cables fit securely into the ports to avoid loose connections inside a shifting pack.

Market Alternatives and Trade-offs

The primary compromise of the Fat Stash 2 is weight and input speed relative to high-end alternatives. Premium 10,000 mAh options like carbon-fiber-shelled trail batteries weigh closer to 5.3 ounces, saving roughly two ounces for hikers willing to pay significantly more money. Other mainstream consumer banks from brands like Anker offer faster bi-directional Power Delivery at comparable weights, shortening the time required to recharge the battery itself in town. However, the Fat Stash 2 holds its ground by maintaining a consistently low purchase price and durable grip-friendly construction. For users who do not track base weight to the tenth of an ounce, the financial savings easily justify the modest weight penalty.

How we picked

We started with a long list of backpacking power banks that people actually buy, cut anything that could not clear our baseline for durability and field performance, then ranked the 10 that were left against the same criteria. Rankings are editorial. No brand pays for placement, and affiliate links never move a pick up or down.

Real-world output
Usable charging in clouds or cold, not just the rated wattage or capacity.
Ports and packability
Port types, charging speed and weight for the power delivered.
Real-world durability
How the material, stitching, or steel holds up after a season of hard use — not how it looks new.
Performance in bad conditions
Wind, rain, cold, and grit are the test. Anything that only works on a nice day gets marked down.
Weight and packability
Every ounce has to earn its place in the pack, but not at the cost of something that fails in the field.
Ease of use
Setup, adjustment, and maintenance with cold hands, in the dark, without the manual.

Fat Stash 2 — frequently asked questions

Is the Fat Stash 2 worth it?
We rank it #2 in Backpacking Power Banks. The Skullcandy Fat Stash 2 is aimed directly at weekend backpackers, car campers, and budget-conscious hikers who need dependable power without paying an ultralight premium. Offering 10,000 mAh of stored energy in an uncomplicated form factor, this unit easily provides two to three full smartphone recharges, making…
What is the Fat Stash 2 best for?
Best for weekend backpacking trips, budget outdoor travel, car and base camping and emergency pack power reserve. Standouts: accessible price point delivers dependable 10,000 mah capacity on a budget and textured exterior shell ensures a secure grip in cold or damp conditions.
What are the downsides of the Fat Stash 2?
Weighs roughly two ounces more than ultralight carbon-composite power banks, Modest output speeds lack rapid Power Delivery charging performance and No official IP water resistance rating requires careful weatherproofing.
What are the key specs of the Fat Stash 2?
Battery Capacity: 10,000 mAh · Weight: 7.1 oz (201 g) · Port Configuration: 1x USB-C, 1x USB-A · Cell Chemistry: Lithium-polymer · MSRP: Approximately $42
Target User Profile — what should I know about the Fat Stash 2?
The Fat Stash 2 serves backpackers, day hikers, and campers who need dependable off-grid power without absorbing the high prices of specialist ultralight gear. It is suited for two- to four-day trips where the itinerary revolves around keeping a smartphone, a rechargeable headlamp, and perhaps a satellite…
Materials and Shell Construction — what should I know about the Fat Stash 2?
Skullcandy builds the Fat Stash 2 with a rigid composite plastic casing featuring pronounced exterior texturing. This ridged finish serves a practical trail purpose, reducing the likelihood of dropping the battery when handling it with cold, wet, or gloved hands.

Compare side by side

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