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Blue rectangular power bank with four solar panels and LED flashlight

Kepswin PS25K 49800mAh power bank

SKU CH-VDJ1-TMKD0 MPN PS25K

High-capacity 49800mAh solar power bank with 15W fast charging, waterproof build, LED flashlight and three USB outputs for outdoor use

  • Total capacity49,800 mAh
  • Compatible phone brandsiPhone, ipad, Airpods, Samsung,Google, Android phones, Switc
  • Compatible phone modelsiPhone, ipad, Airpods, Samsung,Google, Android phones, Switc
  • Battery chemistryNiMH
  • Voltage5 V
  • Amperage3 A
  • 49800 mAh capacity keeps devices running for days
  • 15 W USB-C fast charging powers phones quickly
  • Three USB outputs charge multiple gadgets at once
  • Built-in solar panels and LED flashlight suit outdoor trips
  • Waterproof design with multiple protections ensures safe operation

High-capacity portable charger

The Kepswin PS25K is a 49800mAh power bank designed for users who need extended backup power during travel, camping or emergencies. Its NiMH chemistry and 5V 3A output support simultaneous charging of up to three devices via USB Type-C and USB-A ports. A built-in LED flashlight with steady, SOS and strobe modes adds utility for outdoor or low-light situations.

Solar charging limits

The unit includes four integrated solar panels for supplemental recharging, but solar input alone cannot replenish the full 49800mAh capacity in a practical timeframe. Sunlight intensity, panel angle and weather conditions all restrict the energy harvested, so mains charging via the USB Type-C input remains the primary method for a full top-up.

49800mAh capacity decides fit

The 49800mAh rating determines how many phone or tablet recharges are possible before the bank itself needs charging. Buyers who need a smaller, lighter pack for daily commuting or who require higher-voltage output for laptops will find this model unsuitable.

How it compares

Measured against everything we stock in Portable Chargers & Battery Packs, at today’s prices. Recalculated every night.

Price $37.99
Typical for this category: the median of 1,307 items is $36.99.

Specifications

Product
Brand nameKepswin
Model namePS25K
Part numberPS25K
Total capacity49,800 mAh
Product type49,800 mAh
Product colorBlue
Ports & slots
Output typeUSB Type C
InputUSB Type C
Power
Battery chemistryNiMH
Voltage5 V
Amperage3 A
Size & build
Measurements5.7 in × 3.0 in × 0.7 in
Compatibility
Compatible phone brandsiPhone, ipad, Airpods, Samsung,Google, Android phones, Switch, Mini Fan, Most USB charging mobile devices.iphone 14/14Pro/13/13Pro/13Pro Max,iphone 12/12Pro/12Pro Max, iphone 11/11pro/11pro Max, iPhone XS MAX / XR / XS/ X / 8 / 8 Plus., Google NEXUS 7(2013)/NEXUS 6/NEXUS 5/NEXUS 4, Google Pixel 6/6 Pro/Pixel 5/Pixel 4/Pixel 4XL/Pixel 3/ 3XL, OnePlus 10Pro, OnePlus 9/9Pro/8Pro., Samsung Galaxy S22/S22+/S22 Ultra, Samsung Galaxy S21/S21+/S21 Ultra, Samsung Galaxy S20/S20+/S10/S9/S9+/S8/S8+/S7/ S7 Edge/S6 Edge Plus.
Compatible phone modelsiPhone, ipad, Airpods, Samsung,Google, Android phones, Switch, Mini Fan, Most USB charging mobile devices.iphone 14/14Pro/13/13Pro/13Pro Max,iphone 12/12Pro/12Pro Max, iphone 11/11pro/11pro Max, iPhone XS MAX / XR / XS/ X / 8 / 8 Plus., Google NEXUS 7(2013)/NEXUS 6/NEXUS 5/NEXUS 4, Google Pixel 6/6 Pro/Pixel 5/Pixel 4/Pixel 4XL/Pixel 3/ 3XL, OnePlus 10Pro, OnePlus 9/9Pro/8Pro., Samsung Galaxy S22/S22+/S22 Ultra, Samsung Galaxy S21/S21+/S21 Ultra, Samsung Galaxy S20/S20+/S10/S9/S9+/S8/S8+/S7/ S7 Edge/S6 Edge Plus.

Questions about this item

Should I pick the 49800mAh version or a smaller capacity?

The 49800mAh model stores enough energy for several full phone charges, making it suited for multi-day trips; a lower capacity would mean fewer recharges before the bank itself needs power.

What does the 15W fast-charge rating deliver in daily use?

It provides up to 15 watts over the USB-C port, so a compatible phone can reach roughly half charge in about thirty minutes instead of an hour on a standard 5W adapter.

How does the USB-C input and output limit what I can connect?

Both the port that recharges the bank and the port that powers devices are USB-C, so you need USB-C cables or adapters for every device; the three USB-A outputs handle legacy cables simultaneously.

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