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oraimo PowerNova L21 | 20000mAh 77Wh Capacity | 30W Output | Dual Type-C Plus USB-A | Built-In Cable | Digital Display
Pocket-sized portable charger that refills phones roughly four times, keeps two gadgets topped during Nairobi blackouts, and stays flight-legal for travel
Condition: New
Note: price and availability are subject to change without prior notice
oraimo PowerNova L21 20000mAh 30W power bank is now available at Mascom International for KSh 4,500, in stock at our Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD store. This pocket-sized charger holds 20000mAh (77Wh) and pushes up to 30W through two USB-C ports and one USB-A port. A built-in braided USB-C cable stays attached to the body, so you never leave a cable behind. The digital display reads out the exact battery percentage and live wattage. The oraimo PowerNova L21 refills most phones close to four times before it needs a recharge itself.
Built for Kenyans who cannot afford a dead phone, the oraimo PowerNova L21 suits university students at JKUAT and Kenyatta University running late study sessions, boda boda riders handling M-Pesa all day, and sales teams moving between Westlands and Upper Hill. When KPLC load-shedding cuts power for hours, this power bank keeps your phone, earbuds, and a second handset running. Its 77Wh rating sits under the 100Wh airline limit, so frequent flyers to Mombasa and Kisumu pack it in hand luggage without a problem. The attached cable doubles as a lanyard for one-hand carrying through Nairobi traffic.
Unlike cheap unbranded 20000mAh banks sold across Nairobi that fade within a few months, the oraimo PowerNova L21 carries oraimo's AniFast charging system and cells rated for hundreds of charge cycles. Buyers across Kenya tell us the percentage readout removes the guesswork of blinking dot indicators. At Mascom International, we're seeing steady demand for 30W banks that top up a phone and a heavier device together. Visit our Kimathi Street store to weigh the oraimo PowerNova L21 in hand, or order for pay-on-arrival delivery to any of Kenya's 47 counties. You pay only when it reaches you.
Common Questions About the oraimo PowerNova L21 Power Bank
Is the oraimo PowerNova L21 worth KSh 4,500 in Kenya?
Yes, for anyone who charges more than one gadget or travels often. At KSh 4,500 you get 20000mAh of real capacity, 30W output, three ports, a built-in cable, and a digital readout. Cheaper 20000mAh banks in Nairobi often skip fast charging and use lower-grade cells that lose capacity within months. Spread across a two-year lifespan, this power bank costs roughly KSh 6 per day. For students, riders, and field workers who lose hours to a dead battery, that is a small price for staying reachable.
How many times does the oraimo PowerNova L21 charge a phone?
The oraimo PowerNova L21 refills most smartphones close to four times on a full charge. A typical 4,500mAh to 5,000mAh phone battery, like those in the Samsung Galaxy A series or a Tecno Camon, gets between three and a half and four full top-ups. Smaller batteries stretch further, larger ones slightly less. Real output always runs below the 77Wh label because voltage conversion loses some energy as heat. Even so, four charges covers a full weekend away from a wall socket, or a long day of heavy phone use.
How fast is 30W charging, and what does it charge?
30W is enough to fast-charge nearly every current phone and many small laptops. Each USB-C port outputs up to 30W, which pushes a modern phone from empty to around 50 percent in about half an hour. The USB-A port handles up to 22.5W for older devices and accessories. The oraimo PowerNova L21 supports common fast-charging standards, so it works with USB Power Delivery phones, tablets, wireless earbuds, and lightweight laptops that accept USB-C charging up to 30W.
Can the oraimo PowerNova L21 charge two devices at once?
Yes, it charges up to three devices at the same time through its two USB-C ports and one USB-A port. When you charge several gadgets together, the total shared output settles around 15W, so each device charges at a steadier, gentler pace rather than full speed. This suits overnight charging of a phone, a smartwatch, and earbuds side by side. For the quickest single-device charge, plug into one USB-C port alone to draw the full 30W.
Is the built-in cable useful, or does it get in the way?
The built-in USB-C cable is one of the strongest reasons to pick this power bank. It stays clipped to the body as a short braided cord, so you always have a cable ready even when you forget your own. It carries power both ways: use it to charge your phone, or to recharge the bank itself from a wall adapter. The cable also loops into a lanyard, letting you carry the unit on one finger. Two extra ports remain free for other cables.
Can I carry the oraimo PowerNova L21 on a flight?
Yes. The oraimo PowerNova L21 is rated at 77Wh, which sits comfortably under the 100Wh limit that airlines set for lithium power banks in carry-on luggage. That means Kenya Airways, Jambojet, and international carriers allow it in your hand luggage without special approval. Power banks are never permitted in checked baggage, so always keep it in your cabin bag. The compact, pocket-sized shape slides into a laptop sleeve or jacket pocket, making it easy to reach at security checks.
How does the oraimo PowerNova L21 compare to a 22.5W power bank?
The 30W output is the clear step up. Standard 22.5W banks charge phones well but stall on tablets and USB-C laptops that want more wattage. The oraimo PowerNova L21 pushes 30W per USB-C port, cutting charge times and covering a wider range of devices. Both may share the same 20000mAh capacity, yet the higher wattage matters when you need a quick 20-minute boost before leaving the house. For anyone carrying a tablet or a light laptop alongside a phone, 30W earns its place.
Does the digital display actually help day to day?
Yes, far more than most people expect. The digital LED screen shows the remaining charge as an exact percentage, not four vague dots. You know at a glance whether 12 percent or 62 percent is left, so you can decide if it needs topping up before a long day. The screen also shows live output in watts, confirming that a device is fast-charging rather than trickling. This detail helps you spot a faulty cable or a slow charger quickly.
Technical Specifications
Battery Capacity and Real-World Charging
- 20000mAh cell rated at 77Wh, enough for roughly four full smartphone charges per cycle.
- Real delivered energy runs below the label because voltage conversion loses some power as heat.
- Covers a full weekend or two to three days of moderate phone use away from mains power.
- Battery cells rated for hundreds of charge cycles, holding usable capacity well past the first year.
- Recharges itself in a few hours through the built-in USB-C cable or a second USB-C port.
Charging Speed and Port Layout
- Two USB-C ports each output up to 30W for fast-charging phones, tablets, and light laptops.
- USB-A port outputs up to 22.5W, covering older phones, earbuds, and accessories.
- Charging several devices together shares a combined output near 15W for balanced, safer charging.
- Input tops out at 25W through USB-C, refilling the bank faster than basic 10W chargers.
- Supports USB Power Delivery and common fast-charge standards used by Samsung, Apple, and Tecno phones.
Digital Display and Protection Systems
- Digital LED screen shows exact remaining charge as a percentage instead of guesswork dots.
- Display also reads live output wattage, confirming whether a device is fast-charging or trickling.
- Built-in safeguards protect against overcharging, overheating, short circuits, and over-current draw.
- Voltage regulation keeps output steady during Kenya's frequent grid fluctuations and low-quality adapters.
- Automatic shut-off stops charging once a connected device reaches a full battery.
Device Compatibility
- Works with Samsung Galaxy, Apple iPhone, Tecno, Infinix, Xiaomi, and other USB-C and USB-A phones.
- Charges tablets, wireless earbuds, smartwatches, Bluetooth speakers, and USB-C laptops that accept 30W.
- USB-C ports suit newer devices; the USB-A port keeps older cables and gadgets useful.
- Fast-charge protocols match most phones sold in Kenya, so speeds stay high across brands.
- A single unit covers a mixed household of Apple and Android devices without extra adapters.
Build and Portability
- Pocket-sized body slides into a jacket pocket, handbag, matatu-commute backpack, or laptop sleeve.
- Braided built-in USB-C cable resists fraying and stays attached, so a cable is always present.
- Attached cable loops into a lanyard for easy one-hand carrying and quick grabbing.
- Compact shape and 77Wh rating keep it flight-legal for carry-on travel across Kenya and abroad.
- Rounded casing survives daily knocks, bag jostling, and boda boda commutes through Nairobi traffic.
What's in the Box
- oraimo PowerNova L21 20000mAh power bank (model OPB-7203C) with built-in braided USB-C cable
- Welcome guide and user manual
- Warranty documentation
Note:The built-in USB-C cable both charges your devices and recharges the bank, so no separate cable is needed. A wall adapter is not included in the retail box; the power bank recharges from any USB-C wall charger you already own.
Warranty
The oraimo PowerNova L21 carries a 6-month Mascom International warranty covering manufacturing defects under normal use. Our Nairobi CBD service desk handles any warranty claims directly, and we stock genuine oraimo units backed by full after-sales support.
Where to Buy the oraimo PowerNova L21 in Kenya
oraimo PowerNova L21 20000mAh 30W power bank is available now at Mascom International, located at Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD. Visit our store Monday through Saturday, 9:00 AM to 7:00 PM, to test the oraimo PowerNova L21 in person before purchase. Available color: Black.
Order through any of the following:
- Phone: +254 708 852 521
- Email: info@mascomintl.com
- Website: www.mascomintl.com
- WhatsApp: +254 708 852 521
Mascom International ships the oraimo PowerNova L21 across all 47 Kenyan counties with pay-on-arrival delivery you only pay when it reaches you. Nairobi and its environs receive same-day delivery, while Mombasa, Kisumu, Nakuru, Eldoret, and other major towns receive next-business-day delivery. The furthest counties, including Mandera, Wajir, Marsabit, Lamu, Tana River, and Turkana, receive delivery within 2 to 3 business days.
The oraimo PowerNova L21 carries a 6-month Mascom International warranty on manufacturing defects, handled directly by our Nairobi CBD service desk. Buyers across Kenya rely on Mascom International for honest specifications, current pricing, and dependable after-sales support on every power bank and accessory we stock.
Disclaimer: We can not guarantee that the information on this product is 100% correct
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