Portronics Halley 20K Facts: 131 Specifications & 29 Highlights
Get the facts before you unbox. The Portronics Halley 20K power bank features 131 key specs & features, with general information, battery & capacity, charging input performance & power output performance topping the list.
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Highlights 29
No extras. Just what matters.Why is Portronics Halley 20K better than other power banks ?
General Information
- Product Type: Power Bank
- Released in 2025
- Finish Type: Textured
- Rugged Design
- Well Suited for Smartphone Charging,Tablet Charging,Laptop Charging,Travel Backup,Emergency Power
- Manufactured in India
Battery & Capacity
- 9,664.38 mAh higher battery capacity20,000.0 mAh vs 10,335.6 mAh
- 21.01 Watt higher energy rating74.0 Watt vs 53.0 Watt
- Cycle Life Rating: 300–500 Cycles
- 1.03 Watt lower standby power loss0.5 Watt vs 1.5 Watt
- Battery Chemistry: Lithium-Polymer
- Battery Cell Type: Pouch
- 11,011.87 mAh higher rated capacity20,000.0 mAh vs 8,988.1 mAh
- Has 3 Cells
- Battery Configuration: Series-Parallel Configuration
- 4.95 % lower self-discharge rate5.0 % vs 9.9 %
Charging Input Performance
- Input Port Type: USB-C
- 0.63 Amp higher input current rating3.0 Amp vs 2.4 Amp
- Has 2 Input Ports
- 26.77 Watt higher maximum input power45.0 Watt vs 18.2 Watt
- Input Voltage Range: 5–20V
Power Output Performance
- 45.44 Watt higher maximum output power65.0 Watt vs 19.6 Watt
- 45.09 Watt higher total output power65.0 Watt vs 19.9 Watt
- Output Port Type: USB-C
Physical Dimensions & Weight
- 0.91 inch shorter height2.2 inch vs 3.2 inch
- 0.24 lbs lighter weight0.4 lbs vs 0.6 lbs
Thermal Management & Cooling
- 41.5 °F higher thermal cutoff threshold185.0 °F vs 143.5 °F
Comparisons 1
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Quick Take
The essentials that matter—nothing extraA fast snapshot of the Portronics Halley 20K, covering its standout specification and what you can expect right out of the box.
Portronics Halley 20K is a portable power bank with large capacity and high-speed charging capabilities, designed to charge compatible smartphones, tablets, and even laptops like MacBooks. This power bank features a high-capacity 20,000 mAh Lithium Polymer battery, which can provide multiple charges for mobile devices (for example, a typical smartphone can be charged 4-6 times).
Specifications & Facts 131
Specs measured. Drama avoided.Wondering how the Portronics Halley 20K power bank compares? We list out its specs, verdicts from users, pros and cons, and real data next to similar power banks.
General Information 7
Portronics Halley 20K Product Type
What is the product type?
60 Portronics Halley 20K 0 Votes Power Bank
25 Power Banks in this range Power Bank
Identifies the functional category of the portable charging device.
Portronics Halley 20K Release Year
What is the release year?
95 Portronics Halley 20K 0 Votes 2025
35 Power Banks in this range 2024
Indicates the year the product was first released to market.
Portronics Halley 20K Color Options
What color options are available?
67 Portronics Halley 20K 0 Votes Black
30 Power Banks in this range Black
Lists the available exterior color choices.
Portronics Halley 20K Finish Type
What type of finish does it have?
65 Portronics Halley 20K 0 Votes Textured
25 Power Banks in this range Matte
Describes the surface finish of the exterior shell.
Portronics Halley 20K Rugged Design
Does it have a rugged design?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether the power bank is built for enhanced durability.
Portronics Halley 20K Intended Use Case
What is the intended use case?
67 Portronics Halley 20K 0 Votes Smartphone Charging, Tablet Charging, Laptop Charging, Travel Backup, Emergency Power
25 Power Banks in this range Smartphone Charging, Tablet Charging, Travel Backup, Emergency Power
Describes the primary usage scenarios the power bank is designed for.
Battery & Capacity 14
Portronics Halley 20K Battery Capacity
What is the battery capacity?
Battery capacity is 20000 mAh, representing the total charge the battery can store, suitable for multiple device recharges.
States the total energy storage capacity of the battery cells.
Portronics Halley 20K Energy Rating
What is the energy rating?
The energy rating of 74 Watts indicates the total energy capacity the power bank can store and provide.
Measures total energy stored expressed in watt-hours.
Portronics Halley 20K Battery Voltage
What is the battery voltage?
Battery voltage is 3.7 Volts, a common standard for lithium-polymer battery cells.
Indicates the nominal voltage of the battery pack.
Portronics Halley 20K Cycle Life Rating
What is the cycle life rating?
50 Portronics Halley 20K 0 Votes 300–500 Cycles
22 Power Banks in this range 300–500 Cycles
Rated for 300 to 500 cycles, indicating the expected number of full charge/discharge cycles before capacity declines significantly.
Indicates the estimated number of full charge cycles the battery can complete before noticeable capacity degradation.
Portronics Halley 20K Standby Power Loss
How much power is lost in standby?
Standby power loss is 0.5 Watts, representing low power consumption when idle but still powered on.
Measures power lost while the unit is idle.
Portronics Halley 20K Battery Chemistry
What battery chemistry is used?
50 Portronics Halley 20K 0 Votes Lithium-Polymer
20 Power Banks in this range Lithium-Polymer
Defines the chemical composition of the battery cells.
Charging Input Performance 10
Portronics Halley 20K Input Port Type
What input port types are supported?
100 Portronics Halley 20K 0 Votes USB-C
33 Power Banks in this range USB-C
Input port type is USB-C, offering modern, reversible connectivity with wide compatibility and higher power delivery.
Identifies the physical port types used to recharge the power bank.
Portronics Halley 20K Input Current Rating
What is the input current rating?
Input current rating is 3 Amps, indicating the maximum current the device can safely accept during charging.
Defines the maximum current the power bank can draw during charging.
Portronics Halley 20K Charging Efficiency
What is the charging efficiency?
Charging efficiency is 70%, reflecting the ratio of energy transferred from the power bank to the device during charging.
Measures how efficiently input power is converted to stored energy.
Portronics Halley 20K Charging Time
How long does it take to fully recharge?
Charging time is about 4 hours, indicating the time needed to fully recharge the power bank from empty.
Estimates total time required to fully recharge the power bank.
Portronics Halley 20K Input Port Count
How many input ports does it have?
20 Portronics Halley 20K 0 Votes 2
6 Power Banks in this range 1
Indicates how many input ports are available for charging.
Portronics Halley 20K Maximum Input Power
What is the maximum input power?
Shows the maximum power the power bank can accept while charging.
Power Output Performance 14
Portronics Halley 20K Maximum Output Power
What is the maximum output power?
Maximum output power is 65 Watts, allowing it to supply sufficient power for charging power-hungry devices like laptops.
Shows the highest power level supported by a single output.
Portronics Halley 20K Total Output Power
What is the total output power?
The total output power is 65 Watts, suitable for high-demand charging applications.
Measures the combined power available when using multiple ports.
Portronics Halley 20K Output Current Rating
What is the output current rating?
The output current rating is 3.25 Watts, indicating the power level it can provide to connected devices for charging or operation.
Represents the power delivery capability under load conditions.
Portronics Halley 20K Fast Charging Technology
Which fast charging technologies are supported?
0 Portronics Halley 20K 0 Votes Power Delivery
0 Power Banks in this range Power Delivery
Includes Power Delivery fast charging technology for optimized charging speed and power management.
Lists supported fast-charging standards.
Portronics Halley 20K Output Port Type
What output port types are available?
90 Portronics Halley 20K 0 Votes USB-C
31 Power Banks in this range USB-A, USB-C
Identifies the physical ports used to deliver power to devices.
Portronics Halley 20K Output Port Count
How many output ports does it have?
0 Portronics Halley 20K 0 Votes 2
0 Power Banks in this range 2
Indicates how many devices can be physically connected at once.
Charging Protocols & Compatibility 12
Portronics Halley 20K USB Power Delivery
Does it support USB Power Delivery?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates support for the USB Power Delivery fast charging standard.
Portronics Halley 20K Quick Charge
Is Quick Charge supported?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Confirms compatibility with Qualcomm Quick Charge standards.
Portronics Halley 20K Programmable Power Supply
Does it support PPS charging?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates support for Programmable Power Supply charging.
Portronics Halley 20K Apple Charging Compatibility
Is it compatible with Apple devices?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Ensures optimized charging for Apple devices.
Portronics Halley 20K Samsung Charging Compatibility
Is it compatible with Samsung devices?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Confirms optimized charging for Samsung devices.
Portronics Halley 20K Laptop Charging
Can it charge laptops?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates ability to charge laptops via USB-C output.
Physical Dimensions & Weight 6
Portronics Halley 20K Width
What is the width?
Width is 4.61 inches (11.71 cm), which contributes to the overall compactness.
Measures the horizontal size of the power bank.
Portronics Halley 20K Depth
What is the depth?
Depth is 2.91 inches (7.39 cm), indicating the size thickness of the power bank, influencing its portability and storage.
Measures the front-to-back thickness of the power bank.
Portronics Halley 20K Height
What is the height?
Height measures 2.24 inches (5.69 cm), aiding portability.
Measures the vertical dimension of the power bank.
Portronics Halley 20K Weight
How much does it weigh?
Weight is 0.366 lbs (0.166 kg), making the power bank lightweight and easily portable.
Indicates how heavy the power bank is for portability.
Portronics Halley 20K Pocket-Friendly Design
Is it pocket-friendly?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether the size is suitable for pocket carry.
Portronics Halley 20K Travel-Friendly Size
Is it travel-friendly?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates suitability for travel and carry-on use.
Build Materials & Durability 9
Portronics Halley 20K Outer Shell Material
What is the outer shell material?
0 Portronics Halley 20K 0 Votes Plastic
0 Power Banks in this range Plastic
Specifies the primary material used for the exterior housing.
Portronics Halley 20K Internal Frame Material
What is the internal frame material?
0 Portronics Halley 20K 0 Votes Plastic
0 Power Banks in this range Plastic
Describes the internal structural material supporting the battery cells.
Portronics Halley 20K Impact Resistance Rating
What is the impact resistance rating?
0 Portronics Halley 20K 0 Votes Moderate Impact Resistance
0 Power Banks in this range Moderate Impact Resistance
Indicates the ability of the power bank to withstand shocks and physical impacts.
Portronics Halley 20K Heat Resistance
Is the power bank heat resistant?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether the power bank is designed to withstand elevated internal and external temperatures without performance degradation.
Portronics Halley 20K Fire Retardant Materials
Does it use fire-retardant materials?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates use of flame-resistant materials in construction.
Portronics Halley 20K Scratch Resistance
Is the surface scratch resistant?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether the exterior surface is resistant to scratches from daily handling and transport.
Display, Indicators & Controls 10
Portronics Halley 20K Button Count
How many buttons are there?
0 Portronics Halley 20K 0 Votes 1
0 Power Banks in this range 1
Equipped with 1 button, simplifying user interactions for power management and settings.
Indicates the number of physical control buttons.
Portronics Halley 20K Display Type
What type of display does it have?
0 Portronics Halley 20K 0 Votes LED Indicator
0 Power Banks in this range LED Indicator
Specifies the type of display used to show power information.
Portronics Halley 20K Battery Level Indicator
Does it show battery level?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether the power bank shows remaining battery level.
Portronics Halley 20K Indicator Accuracy
How accurate is the battery indicator?
Measures how accurately the indicator reflects actual remaining power.
Portronics Halley 20K Remaining Time Display
Does it display remaining time?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Shows estimated remaining usage or charging time.
Portronics Halley 20K Button Type
What type of button does it use?
0 Portronics Halley 20K 0 Votes Physical Button
0 Power Banks in this range Physical Button
Describes the type of button used for control.
Safety & Protection Features 14
Portronics Halley 20K Short Circuit Protection
Does it have short circuit protection?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Prevents damage when a short circuit is detected.
Portronics Halley 20K Overcurrent Protection
Is overcurrent protection supported?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Protects devices from excessive current flow.
Portronics Halley 20K Thermal Protection
Does it have thermal protection?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Shuts down or limits power when overheating is detected.
Portronics Halley 20K Overvoltage Protection
Does it include overvoltage protection?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Prevents voltage levels from exceeding safe limits.
Portronics Halley 20K Temperature Monitoring
Is temperature monitored internally?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Continuously monitors internal temperature.
Portronics Halley 20K Foreign Object Detection
Does it detect foreign objects?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Detects abnormal objects or unsafe connections.
Thermal Management & Cooling 11
Portronics Halley 20K Thermal Management System
Does it have a thermal management system?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether the power bank includes an integrated thermal management system.
Portronics Halley 20K Heat Dissipation Method
How does it dissipate heat?
0 Portronics Halley 20K 0 Votes Passive Cooling
0 Power Banks in this range Passive Cooling
Describes how heat is dispersed away from internal components.
Portronics Halley 20K Internal Heat Sink
Is there an internal heat sink?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates the presence of an internal heat sink to absorb and spread heat.
Portronics Halley 20K Thermal Throttling
Does it support thermal throttling?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Reduces power output automatically to prevent overheating.
Portronics Halley 20K Thermal Cutoff Threshold
At what temperature does it shut down?
Indicates the temperature at which the system shuts down to prevent damage.
Portronics Halley 20K Cooling Design Type
What cooling design type is used?
0 Portronics Halley 20K 0 Votes Passive Cooling
0 Power Banks in this range Passive Cooling
Describes the overall cooling architecture used to manage internal heat during charging and discharging.
Connectivity & Smart Features 8
Portronics Halley 20K Bluetooth Connectivity
Does it support Bluetooth connectivity?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether the power bank can connect wirelessly to other devices.
Portronics Halley 20K App Support
Is there app support?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Confirms whether a companion mobile app is available.
Portronics Halley 20K Firmware Upgradable
Can the firmware be updated?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether firmware can be updated to improve functionality.
Portronics Halley 20K Smart Power Monitoring
Does it offer smart power monitoring?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Provides real-time monitoring of power flow and usage.
Portronics Halley 20K Device Usage Analytics
Does it provide usage analytics?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Tracks connected device charging behavior and patterns.
Portronics Halley 20K Charging History Tracking
Is charging history tracked?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Records past charging sessions for review.
Environmental & Efficiency 6
Portronics Halley 20K Energy Conversion Efficiency
What is the energy conversion efficiency?
Measures how efficiently stored energy is converted into usable output power.
Portronics Halley 20K Idle Power Consumption
How much power is used while idle?
Indicates how much power is consumed when the power bank is not actively charging devices.
Portronics Halley 20K Eco Mode
Does it support eco mode?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Enables reduced power usage to improve efficiency and battery longevity.
Portronics Halley 20K Automatic Power Optimization
Does it optimize power automatically?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Automatically adjusts output to reduce energy waste.
Portronics Halley 20K Sustainable Materials
Does it use sustainable materials?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates use of environmentally friendly or recycled materials.
Portronics Halley 20K Recycling Program
Is a recycling program supported?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates manufacturer support for recycling or take-back programs.
Included Accessories & Packaging 4
Portronics Halley 20K Charging Cable
Is a charging cable included?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether a charging cable is included in the box.
Portronics Halley 20K Carrying Case
Is a carrying case included?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether a protective carrying case is included.
Portronics Halley 20K Wall Adapter
Is a wall adapter included?
No 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether a wall charging adapter is provided.
Portronics Halley 20K User Manual
Is a user manual included?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether a user manual or guide is provided.
Warranty & Support 6
Portronics Halley 20K Warranty Length
How long is the warranty?
0 Portronics Halley 20K 0 Votes 12 Months
0 Power Banks in this range 12 Months
Indicates the duration of the manufacturer warranty.
Portronics Halley 20K Battery Warranty Coverage
Is the battery covered by warranty?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates whether the battery itself is covered under warranty.
Portronics Halley 20K Technical Support Availability
Is technical support available?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Confirms access to technical support services.
Portronics Halley 20K Support Channels
What support channels are available?
0 Portronics Halley 20K 0 Votes Email, Phone, Live Chat
0 Power Banks in this range Email, Phone
Lists available customer support contact methods.
Portronics Halley 20K Replacement Policy
Is there a replacement policy?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Indicates eligibility for replacement in case of defects.
Portronics Halley 20K Repair Service Availability
Are repair services available?
Yes 0Votes Portronics Halley 20K
Yes Power Banks in this range
Confirms whether repair services are offered.
Surveys
Because hot takes deserve votes.Portronics Halley 20K Charging Speed Performance
How fast does this power bank recharge devices in everyday use?
Portronics Halley 20K Battery Capacity Satisfaction
How satisfied are you with the battery capacity of this power bank for daily needs?
Portronics Halley 20K Output Power and Device Support
How well does this power bank handle charging different devices at once?
Portronics Halley 20K Port Selection and Flexibility
How flexible is this power bank when it comes to charging ports?
Portronics Halley 20K Size and Portability
How easy is this power bank to carry around daily?
Portronics Halley 20K Build Quality and Durability
How durable does this power bank feel during regular use?
Portronics Halley 20K Charging Stability
How stable is the charging output from this power bank during use?
Portronics Halley 20K Heat and Safety Performance
How well does this power bank control heat during charging and heavy use?
Portronics Halley 20K Battery Efficiency
How efficiently does this power bank convert stored energy into usable charging power?
Portronics Halley 20K Travel Friendliness
How convenient is this power bank for travel and daily commuting?
Reviews 0
The good, the bad, and the brutally honest.Average Rating
Discussions 0
Thoughts, takes, and hot debates.Awards 0
Only the best made it here.Collections 0
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