Why Redmi 5 Plus Needs a New Battery
Xiaomi Redmi 5 Plus (released in 2018) is still popular with users due to its reliable hardware and low price. However, after 4-6 years of operation, even the best battery loses up to 30-50% of capacity. If your Redmi 5 Plus discharges in half a day, turns off at 20-30% charge or overheats, it’s time to think about replacing the battery.
The cost of replacing varies from 1500 to 4500 rubles depending on the type of battery, the repair site and the region, in this article we will discuss where it is cheaper to change the battery, how to choose a quality battery and whether you can do it yourself without the risk of damaging the phone.
We will warn you right away: the original Xiaomi batteries for the Redmi 5 Plus are no longer produced, but there are worthy analogues with a capacity of 4000 mAh (like the original) and improved performance.
How much does it cost to replace a battery in 2026: a comparison of prices
Prices depend on three factors: battery type, repair site and complexity, and the table below shows the current rates for Moscow, St. Petersburg and the regions (June 2026).
| Type of battery | Service centre | Private master | Self-sustaining replacement |
|---|---|---|---|
| Original (b/y or residues) | 3500–4500 ₽ | 2800–3500 ₽ | 2000–2500 ₽* |
| Analogue (Green Cell, Remax) | 2200–3000 ₽ | 1800–2500 ₽ | 1200–1800 ₽ |
| Improved analogue (ZOP, Baseus) | 2800–3800 ₽ | 2200–3000 ₽ | 1500–2200 ₽ |
| Budgetary analogue (no-name) | 1500–2000 ₽ | 1200–1800 ₽ | 800–1500 ₽ |
* Cost of battery only, excluding tools.
⚠️ Note: Xiaomi service centers officially do not change batteries on models older than 3 years. ₽ — It's 100% fake. You'd better go to a trusted craftsman or order the battery yourself.
Prices in the regions are 10-20% lower than in Moscow, for example, in Yekaterinburg or Novosibirsk, the replacement will cost between 1800 and 2800. ₽ And in small towns, you can find a craftsman who can take only 1,200, 1,500. ₽ installing your battery.
Where to change: the service, the master or yourself?
The choice depends on your budget, skills and willingness to take risks. Let's look at the pros and cons of each option.
1. Xiaomi Service Center
Pros:
- 🔧 Work guarantee (usually 3-6 months).
- 🛡️ Uses proven components.
- 📋 Give a check and a warranty card.
Cons:
- 💸 Highest price: from 3,500 ₽).
- ⏳ Long-term repairs (2-5 days).
- 🚫 Refusing to work with phones older than 3 years.
2. Private master
Pros:
- 💰 Prices are 20-30% lower than in the service.
- ⚡ Quickly (1–2 hours).
- 🔄 We can bring our own battery.
Cons:
- ⚠️ The risk of running into an unqualified master.
- 📉 Guarantees are not always given.
- 🔧 No original parts.
3. Self-substitution
Pros:
- 💵 Minimum cost (battery price only).
- 🕒 No need to go anywhere.
- 🔧 Useful experience for future repairs.
Cons:
- ⚠️ Risk of damaging plumes or display.
- 🛠️ Need tools (suction, mediator, screwdriver) T3).
- 🔋 No battery warranty.
💡
If you’ve never disassembled smartphones, it’s best not to take risks – a mistake when replacing the battery can short-circuit or damage the motherboard.
How to Choose a Quality Battery for Redmi 5 Plus
There are a lot of fakes in the market that will last six months, so you don't want to waste your money, you should pay attention to:
- Capacity: 4,000 mAh (like the original) batteries at 4,200-4,500 mAh are usually bloated and may not fit into the case.
- Brand - Reliable manufacturers: 🔋 Green Cell (Poland) – the best price/quality ratio. 🔋 Remax (China) - inexpensive but reliable. 🔋 ZOP (Hong Kong – premium batteries with overheating protection. 🔋 Baseus - improved analogues with increased cycle life.
Availability of the controller
Reviews
AliExpress
Yandex.Markete
Wildberries
⚠️ Warning: Avoid batteries labeled "Super Capacity" or "Ultra Power" is a marketing hoax. The actual capacity of such batteries rarely exceeds 3,500 mAh.
Where to buy:
- 🛒 AliExpress is the cheapest, but wait 2-4 weeks.
- 🛒 Wildberries/Ozone is a fast delivery, but the price is higher 20–30%.
- 🛒 Local parts stores – you can touch before buying.
How to verify the authenticity of the battery before buying?
Step-by-step: how to change the battery itself
If you decide to make a replacement, follow this instruction: 30 to 60 minutes. Complexity: medium (needs accuracy).
Tools required:
- 🔧 Screwdriver. T3 (star).
- 🧲 Screen suction cup.
- 📏 Plastic mediator or guitar mediator.
- 🔥 Fryer (for softening glue).
- 🧴 Isopropyl alcohol (for cleaning glue).
Turn off the phone and remove it. SIM-map|Charge your phone to 30-50% to avoid short circuits)|Prepare the workplace (clean desk, good lighting)|Backup your data (in case of damage to your phone)|Wear an antistatic bracelet (optional but recommended)-->
Step 1: Removing the back cover
1. Heat the phone edge dryer (~60°C) for 2-3 minutes to soften the glue.
2. Suction the screen up from the bottom edge, then gently pull the mediator around the perimeter. Don't pull too much, you can damage the plumes!
3. Put the lid aside. Be careful: there may be flexible plumes under it (for example, from a fingerprint scanner).
Step 2: Disconnect the old battery
1. Unscrew 10 screws (screwdriver T3) around the perimeter of the motherboard.
2. gently disconnect the battery plume (it is glued, pull on the black tongue).
3. Check the voltage with a multimeter - if less than 3.5 V, the battery is severely worn out.
Step 3: Remove the old battery
1. Put a plastic blade on the battery. It's glued, so act slowly.
2 If the battery is swelling, don't prick it, you're at risk of fire! Use only plastic tools.
3. Remove the glue residues with alcohol.
Step 4: Installation of a new battery
1. glue the new battery to double-sided scotch (comes with the kit).
2. Connect the plume and secure it with a screw.
3. Check the phone before assembly - turn it on without a lid to make sure everything works.
Step 5: Assembly of the phone
1. Set the motherboard back and spin the screws.
2. glue the back cover (use the new B-7000 glue or the original Scotch).
3. Warm up the edge hair dryer for better fixation.
💡
After the battery is replaced, do 2-3 full charge/discharge cycles (0 to 100%) to calibrate the battery controller.
Frequent Replacement Mistakes and How to Avoid Them
Even experienced users sometimes make mistakes that cause their phones to break down.
- The damage to the display plume is when you pull too hard on the screen, so you use the suction cup and the mediator, don't make any effort.
- Short circuit: if you accidentally close the contacts of the battery with a metal tool, solution: work in an antistatic bracelet and use plastic blades.
- Bad cap fixation is if the glue is dried or applied unevenly, so you heat the lid with a hair dryer after assembly and press it for 10 to 15 minutes.
- Poor battery — cheap analogues can swell in a month. Solution: buy only from trusted sellers (see section above).
- Forgot to turn off the battery before work, it could burn the motherboard, so always check if the power plume is disconnected.
⚠️ Note: If the phone does not turn on after replacement, check:
- Is the battery plume connected?
- Is the motherboard damaged (look for blackened elements).
- Are the battery contacts closed (call the multimeter)?
How long will the new battery last?
The service life depends on the type of battery and operating conditions:
| Type of battery | Duration of service (cycles) | Real term (years) | Notes |
|---|---|---|---|
| Original (b/u) | 300–400 | 1–1.5 | Already partially worn out |
| Green Cell / Remax | 500–600 | 2–2.5 | Best Price/Quality Relationship |
| ZOP / Baseus | 600–800 | 2.5–3 | Expensive, but longer holds charge |
| No-name (cheap) | 200–300 | 0.5–1 | High risk of bloating |
To extend the life of the battery:
- 🔌 Do not keep your phone on charge for more than 8-10 hours.
- 🌡️ Avoid overheating (do not play heavy games while charging).
- 🔋 Try to keep the charge in the range of 20-80%.
- ❄️ Do not leave your phone in the cold (below). -10°C).
💡
Modern lithium polymer batteries are losing ~20% capacity in a year, even without use. If the phone is in reserve, store it with a charge of 40-50% in a cool place.