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Samsung Galaxy S23 Ultra Battery Replacement | Original Grade | 5000mAh Capacity | Fitting Labour Included
Revive a tired handset so it lasts from morning commute to late evening again.
Condition: New
Note: price and availability are subject to change without prior notice
Samsung Galaxy S23 Ultra Battery Replacement is offered by Mascom International for KSh 3,000, which pays for a brand new, original-grade 5000mAh battery and the technician's time to install it. Every Samsung Galaxy S23 Ultra Battery Replacement is done at our workshop in the Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD. The 5000mAh rating is the same capacity listed for the Samsung Galaxy S23 Ultra when it launched in 2023, so the phone regains its intended reserve. Nothing extra is billed for opening, fitting or testing, and the quoted amount is exactly what you pay.
Built for university students at JKUAT and Strathmore, field engineers, journalists and mobile gamers across Kenya, the Samsung Galaxy S23 Ultra Battery Replacement gives a phone from 2023 a second working life. After a few years of nightly charging, lithium-ion cells hold noticeably less energy. Owners see the battery drop fast during YouTube or Zoom, feel the phone warming in a pocket, or watch it restart without warning. A fresh cell tackles those symptoms directly, and it costs far less than moving all your apps, M-Pesa and banking logins to a different handset.
Customers across Nairobi tell us they value seeing the phone opened, fitted and tested by someone they can speak to face to face. At Mascom International, the Samsung Galaxy S23 Ultra Battery Replacement is quoted openly, explained in plain words and backed for 6 months on the battery. Back up your phone, check the model number in Settings, and send it to us on WhatsApp if you are coming from outside the city. Then walk into our Kimathi Street store for your Samsung Galaxy S23 Ultra Battery Replacement, and leave with a phone that keeps pace with your day.
Common Questions About the Samsung Galaxy S23 Ultra Battery Replacement
How much does a Samsung Galaxy S23 Ultra Battery Replacement cost in Kenya?
A Samsung Galaxy S23 Ultra Battery Replacement costs KSh 3,000 at Mascom International in Nairobi CBD, covering both the original-grade battery and the fitting labour. The cell is rated at 5000mAh, matching the phone's listed capacity, and it comes with a 6-month warranty against manufacturing defects. The price is identical to our Samsung Galaxy S24 Ultra and Samsung Galaxy S25 Ultra battery jobs. A charger is not included, though compatible USB-C adapters are available separately at the store.
Why does my Samsung Galaxy S23 Ultra shut down when the battery still shows charge?
A Samsung Galaxy S23 Ultra that switches off with charge still showing usually has a worn battery that can no longer supply power under load. Opening the camera, starting a video call or launching a game asks for a burst of current, and a tired cell lets its voltage sag until the phone cuts out. Cold mornings and strong heat make it worse. A fresh 5000mAh battery fitted at Mascom International normally ends these shutdowns; if it does not, our technicians will explain what else to check.
Should I replace the Samsung Galaxy S23 Ultra battery or upgrade to a newer phone?
Replacing the Samsung Galaxy S23 Ultra battery for KSh 3,000 is the cheaper route when the rest of the phone is in good shape. You keep the Snapdragon 8 Gen 2 chip, the S Pen, your cameras and every setting exactly as they are. Upgrading makes more sense if you want newer camera features or longer software support, since the phone is listed for up to 4 major Android upgrades from its Android 13 launch. Choose the battery if the phone still meets your needs, and an upgrade if it does not.
Will a fresh battery carry my Samsung Galaxy S23 Ultra through long matatu commutes with a Safaricom hotspot running?
A fresh battery restores the full 5000mAh reserve on your Samsung Galaxy S23 Ultra, which is what long matatu rides from Rongai, Ruiru or Kitengela really test. Hotspot sharing over Safaricom or Airtel Kenya data drains any phone quickly, so expect heavy tethering to shorten your day. Lower the screen brightness, close unused apps and keep a power bank for evenings when KPLC cuts power at home. With a healthy cell, the phone handles calls, M-Pesa and maps on the move again.
Can I confirm the Samsung Galaxy S23 Ultra battery is ready before travelling from Nakuru or Kisumu?
Yes, send your Samsung Galaxy S23 Ultra model number to Mascom International on WhatsApp at +254 708 852 521 before you set off. You will find it under Settings, About phone. Our team replies to confirm the correct battery is on hand, so the trip from Nakuru, Kisumu or Eldoret is not wasted. Fitting is done only in person at our Kimathi Street workshop, so plan your visit for Monday through Saturday, 9:00 AM to 7:00 PM.
Will a fresh battery make my Samsung Galaxy S23 Ultra run faster?
A fresh battery fixes power problems on a Samsung Galaxy S23 Ultra, not general slowness. If the phone lags because storage is nearly full, apps are outdated or too many run in the background, the battery is not the cause. A worn cell can still make the phone feel unreliable through sudden restarts and heat, and the replacement removes those issues. Clear space, update your apps and restart the phone weekly; technicians at Mascom International can advise you at the counter.
Which charger should I use with the Samsung Galaxy S23 Ultra once its battery is replaced?
Use a USB-C charger that supports PD 3.0 Power Delivery at 45W to get the fastest wired speed on the Samsung Galaxy S23 Ultra. Lower-rated USB-C adapters still work, only more slowly. The phone also accepts 15W Qi wireless charging and can share 4.5W with earbuds through reverse wireless charging. Avoid unbranded roadside chargers, which can overheat and age the fresh cell early. Mascom International sells compatible chargers and USB-C cables separately at our Kimathi Street store.
Who gains most from the Samsung Galaxy S23 Ultra Battery Replacement, and who should look elsewhere?
The Samsung Galaxy S23 Ultra Battery Replacement suits owners who still like their phone but are tired of carrying a charger everywhere. Developers, estate agents and students on tight budgets get another stretch of use for KSh 3,000. Look elsewhere if the display is shattered or flickering, because the screen replacement service at Mascom International should come first. It is also the wrong fix for a phone with a bent frame, a faulty charging port or liquid damage, so ask for a diagnosis instead.
Technical Specifications
Energy Storage Details
- 5000mAh rated capacity — identical to the figure listed for the Samsung Galaxy S23 Ultra, so full endurance comes back.
- Lithium-ion cell — the rechargeable chemistry phones rely on for high energy in a thin, lightweight form.
- Original-grade replacement battery — sized and wired for the phone's own bay, so nothing shifts or rattles inside.
- Fresh, unused unit at fitting — you begin with full battery health instead of a part recovered from a scrap phone.
- Glued in under the back panel — the cell is not owner-removable and should be handled by a trained technician.
Which Phones It Fits
- Samsung Galaxy S23 Ultra only — the model is confirmed in Settings, About phone, before the back panel is lifted.
- Not a match for the Samsung Galaxy S22 Ultra or Samsung Galaxy S24 Ultra — each uses a differently shaped body.
- Same battery for every storage version and colour — only the model itself decides which cell is correct.
- Outer size of 163.4 x 78.1 x 8.9 mm unchanged — your case, screen protector and pouch still fit as before.
- SIM cards, eSIM profiles and saved networks stay as they were — no line or account needs setting up again.
Recharging Options
- 45W wired charging under USB PD 3.0 — pair the phone with a matching Power Delivery adapter for the quickest top-up.
- About 65% in 30 minutes, as listed — a coffee break is enough to recover most of a day's charge.
- 15W Qi wireless charging — works on standard Qi pads, which suit bedside tables and office desks.
- 4.5W reverse wireless charging — the phone's back can pass a little power to earbuds or a watch.
- Protective charge settings still apply — limits that slow wear on the battery work normally with the replacement cell.
Hands-On Installation in Nairobi CBD
- Installed at Old Mutual Building, First Floor Room 4, Kimathi Street — the phone is handed over and fitted in person.
- Single KSh 3,000 charge — the part, the opening, the fitting and the testing all sit inside that figure.
- Gorilla Glass Victus 2 back loosened with gentle heat — then resealed and pressed so the panel closes evenly.
- You speak with the technician directly — any extra fault spotted during the job is explained before anything else happens.
- IP68 protection no longer assumed afterwards — the factory seal is broken on opening, so keep the phone out of water.
Checks Before Collection
- Puffed or damaged cells lifted out without bending — careful removal keeps a swollen battery from being pierced.
- Start-up and cable charge test — the phone must power on normally and show charging before it is returned.
- Quick wireless charging check — confirms internal connectors were reattached properly when the phone was closed.
- Old battery set aside for safe disposal — worn lithium cells belong with proper recyclers, never in a dustbin or fire.
- 6-month warranty on the battery — manufacturing defects in the replacement cell are covered under normal use.
Phone Details for Reference
- Snapdragon 8 Gen 2 chipset on a 4nm process — the phone's processor, still quick for daily apps and games.
- Aluminium frame with Gorilla Glass Victus 2 front and back — tough glass that the fitting process reopens and closes.
- Weight of 234 g — the phone keeps its familiar heft in the hand once the replacement battery is inside.
- Launched with Android 13 and listed for up to 4 major upgrades — check Settings, Software update for your current version.
- IP68 rating from the factory, immersible to 1.5 m for 30 minutes — a rating that no longer applies after opening.
Package Contents
The Samsung Galaxy S23 Ultra Battery Replacement consists of one component: an original-grade 5000mAh replacement battery, installed by Mascom International technicians into the phone you bring to our workshop, with the labour paid for in the price. Your Samsung Galaxy S23 Ultra comes back closed and powered by the fresh cell. The service does not include a charger, cable or box. Should your adapter be slow or damaged, compatible chargers are on sale separately at Mascom International.
Warranty
Mascom International backs the Samsung Galaxy S23 Ultra Battery Replacement with a 6-month warranty covering manufacturing defects in the replacement battery under normal use. Should the cell fail within that time, return with the phone and proof of payment. Claims are handled at our Nairobi CBD service desk in the Old Mutual Building.
Where to Buy the Samsung Galaxy S23 Ultra Battery Replacement in Kenya
Visit Mascom International at the Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD, any day Monday through Saturday, 9:00 AM to 7:00 PM. You can see your phone switched on and charging before you take it home. Colour makes no difference, since the battery sits hidden inside every Samsung Galaxy S23 Ultra.
Reach our team any of these ways:
- Phone/WhatsApp: +254 708 852 521
- Email: info@mascomintl.com
- Website: www.mascomintl.com
The battery work itself is done at the CBD workshop, while accessories such as chargers and cables ship with pay-on-arrival delivery to all 47 counties. Orders reach Nairobi and its environs the same day, and Mombasa, Nakuru, Kakamega, Nyeri and other major towns within 1 business day. Mandera, Wajir, Marsabit, Lamu, Tana River, and Turkana receive delivery within 2-3 business days.
Your replacement cell carries the 6-month warranty above. Expect straight answers on specifications, pricing that matches what we quote, and support that continues long after your visit.
Disclaimer: We can not guarantee that the information on this product is 100% correct
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