Useful Tech Tools
Free calculators and simulators to help you make smarter tech buying decisions.
Laptop Charge Time
Find out how long your laptop takes to charge while you are working vs. sleeping. Does your 65W charger actually charge fast enough?
Charging Speed Simulator
Visualize the speed difference between 20W, 45W, and 100W chargers. See exactly how much time you save by upgrading your brick.
Power Bank Calculator
Calculate the *real* number of charges a 10,000mAh or 20,000mAh power bank gives your specific phone, accounting for efficiency loss.
Phone Resale Checker
Is it time to sell? See how much your phone is worth today and view a projection of how much value it will lose over the next year.
Laptop Resale Checker
Check the market value of your MacBook or Windows laptop and see how it holds value over time.
Smartwatch Value Calc
Calculate resale value for Apple Watch, Samsung Galaxy, and Garmin watches. Check depreciation for wearables.
Audio Resale Value
Find out what your used headphones, earbuds, or speakers are worth. Covers Apple, Sony, JBL, and more.
Console Value Checker
See the resale value of your PS5, Xbox, Switch, or Handheld PC. Market insights for gaming hardware.
"Will It Fit?" Storage Calc
Building a game library? Select your console and games to see if you need a 1TB or 2TB SSD expansion card.
Headphone Burn-In Tool
Improve the sound quality of your new headphones using our Pink Noise and Frequency Sweep generator. No download required.
TV Size Calculator
Buying a new TV? Calculate the perfect screen size for your room based on viewing distance for a cinema-like experience.
Storage Speed & Size
Check how many photos, games, or 4K movies fit on a drive, and calculate transfer speeds for SSDs vs HDDs.
Perfect Match Finder
Not sure what to buy? Use our guided quiz to filter products by category, brand, and budget.
Exelic Gadgets Tech Toolbox
Welcome to Kenya’s most comprehensive suite of free technology calculators and simulators. Whether you are checking the resale value of your old phone before an upgrade or calculating if a 20,000mAh power bank can survive a trip to upcountry, we have built these tools to help you make smarter buying decisions.
 Power & Charging Simulators
Stop guessing about battery life. Use these tools to visualize real-world performance.
- Laptop Charge Time Calculator »
Calculates exactly how long your laptop will take to charge from 0% to 100% using different wattage chargers (45W vs 65W vs 100W). Find out if upgrading your brick will actually save you time. - Power Bank Run-Time Calculator »
Determines the actual number of charges you will get from a power bank, accounting for voltage conversion and efficiency loss. Don’t get stranded with a dead phone during a blackout. - Fast Charge Simulator »
Visualizes the speed difference between standard chargers (20W) and super-fast chargers (45W/65W) for your specific phone model.
Resale Value & Depreciation Checkers
Thinking of upgrading? Find out what your current device is worth in the Kenyan second-hand market.
- Phone Resale Value Calculator »
Check current market prices for used iPhones, Samsung, and Redmi phones in Nairobi. - Laptop Value Depreciation Calculator »
See how well your MacBook or Windows laptop retains value over 1-3 years. - Gaming Console Value Checker »
Get an estimate for your used PS4, PS5, or Xbox Series X before you trade it in. - Smartwatch Value Calculator »
Check depreciation for Apple Watches, Galaxy Watches, and Garmin devices. - Headphone & Speaker Value »
Find out the resale price of premium audio gear from Sony, JBL, and Bose.
Gaming & Entertainment Utilities
Optimize your setup for the best experience.
- Gaming Console Storage Calculator »
Modern games are huge. Calculate if you need a 1TB or 2TB SSD expansion card based on your game library. - Smart TV Viewing Distance Calculator »
Sitting too close causes eye strain. Enter your room size to find the perfect TV inch-size (55″ vs 65″ vs 75″) for your home. - Headphone Burn-In Tool »
For Audiophiles: A browser-based Pink Noise generator to loosen the diaphragm of your new headphones for better bass response.
General Tech Utilities
- Storage Size & Speed Calculator »
Calculate file transfer times for SSDs vs HDDs and see how many 4K movies fit on your drive. - Product Finder Quiz »
Not sure what you need? Answer 3 questions to get a personalized recommendation for the perfect Laptop, Phone, or Accessory.