The BA28 battery model name points to the vivo T3 5G according to the only spare part seller we could trace, who offers it as a 5000 mAh lithium polymer cell at 3.91 V. A single seller is thin evidence, so let the sticker in your own T3 have the last say.
Typical vivo cells wear tiny three character labels like B-O5. BA28 looks different, which is why people search "vivo ba28 battery model name" to check it really belongs to their phone. Below you will find what the four characters suggest, a quick way to check your handset, and the words to use when you ask a technician for a T3 cell.
Quick facts
Which phone uses the BA28 battery model name
A seller listing for replacement cells names the vivo T3 5G as the phone for BA28. The same listing gives 5000 mAh and 3.91 V, which agrees with the 5000 mAh figure vivo advertises for the T3. We found no second listing and no teardown that names another phone, so the fit list on this page has one entry.
| Detail | Listed value | Confidence |
|---|---|---|
| Phone | vivo T3 5G | One listing |
| Capacity | 5000 mAh | Agrees with the phone spec |
| Voltage | 3.91 V | One listing |
| Cell type | Li-ion polymer | One listing |
For the other short vivo codes, open the vivo battery model list.
Why BA28 does not look like other vivo codes
Earlier vivo codes take the pattern B, hyphen, letter, digit, as in B-O5 for the Y20 group and B-S1. Newer models sometimes show longer codes with two digits after the letters. BA28 fits that newer pattern, so it is not a misprint just because it has four characters.
There are other BA codes on this site, such as BA10 and BA45. The digits matter: BA28 and BA45 are separate packs with their own outlines and connectors, even if a shop keeps them in the same tray.
How to be sure your T3 takes a BA28 pack
Start with the phone model. On a vivo handset it sits under Settings, then About phone; the T3 5G shows a V-number there. Write it down with the full model name.
Next, ask the technician who opens the back to read the cell sticker aloud or photograph it. If the sticker shows BA28 and 5000 mAh, order that code only. If it shows anything else, believe the sticker over this page. Bring the old pack along when you collect the new one so both labels can be compared side by side.
If the old BA28 pack has puffed up and lifted the back panel, unplug the T3 and leave it on a tiled floor or steel shelf, not on a sofa. Do not squeeze the bulge to close the gap. A vivo service desk can remove it safely.
Rated and typical capacity on a BA28 label
vivo advertises 5000 mAh for the T3, which is the typical figure. Labels on vivo cells often add a rated value a little under that, the minimum every cell from the factory must reach. Both describe the same battery. Should a shop offer a BA28 printed with 6000 mAh, walk away; the T3 body has no room for that much honest capacity.
Energy in watt hours for this cell: 5000 times 3.91, then over 1000, which lands near 19.6 Wh. That is why a 5000 mAh cell at 3.85 V stores a little less than the T3 pack.
When a T3 needs a new battery
- The phone dies in the evening although it used to last a full day with the same apps.
- It switches off around 15 to 25 percent, then shows a higher charge after a restart.
- The back panel gaps open near the camera or along one side.
- The phone feels hot while it is idle and not charging.
Before you pay for a cell, read our mobile battery health check guide. On a T3, a stuck background sync or patchy network in a basement can drain the charge just like an ageing cell.
Charging and care for a vivo T3 pack
The T3 supports fast charging with vivo's own adapter, so most of the day's charge returns in under an hour. Fast charging is safe when the phone can shed heat: take it off a pillow or out of a tight case while it charges, and avoid gaming on the charger in a hot room. A BA28 cell that is kept between roughly a fifth and four fifths full on ordinary days will hold its capacity for longer than one that sits at 100 percent every night.
If you leave the T3 in a drawer for weeks, store it about half charged and switched off. A cell left completely empty for months may refuse to charge again.
Frequently asked questions
Which phone has the BA28 battery model name?
A spare part seller ties BA28 to the vivo T3 5G. One seller makes that match, so compare it with the print on the BA28 inside your phone before paying.
Is vivo BA28 a 5000 mAh battery?
Yes, it is listed at 5000 mAh and 3.91 V, matching the capacity vivo gives for the T3. Expect the minimum line on the T3 cell to sit a touch under 5000.
Can I fit a BA45 or BA10 pack instead of BA28?
No. BA10, BA28 and BA45 are three separate parts, and the T3 frame only accepts the one built for it. Order the exact code on your label.
Where is the BA28 code printed?
Printed on the cell sticker. Because the T3 back is glued shut, the code only shows once a vivo technician lifts the panel.
Does a vivo service centre stock BA28?
Service centres order cells by phone model, so ask for a T3 5G battery and mention BA28. They will match the part to your model number.