BM45 Xiaomi Redmi Note 2: where to buy the original battery and not overpay for a fake

Xiaomi Redmi Note 2 remains a popular smartphone even years after its release, but its main drawback is the fast-setting battery. BM45. If your machine turns off at 30 percent charge or runs out in a couple of hours, it's time to think about replacing the battery, but the market is flooded with fakes that not only don't solve the problem, but can also harm the device.

In this article, we will discuss where you can buy the original battery. BM45 For Redmi Note 2, how to distinguish it from counterfeit, how much a quality replacement costs, and what to look for when buying, you will also learn which stores and platforms are trustworthy and which are best to bypass. We analyzed user reviews, tests by independent experts and data from forums to compile the most accurate guide.

What is it? BM45 And why is it so often faked?

Battery BM45 — This is a lithium polymer battery with a capacity of 3060 mAh, developed specifically for Xiaomi Redmi Note 2 (model) HM2014811). It differs from standard batteries in that:

• 🔋 Has a built-in charge controller that prevents overheating and overcharging
• 📏 Accurately fitted under the body of the smartphone (thickness 3.85 mm)
• 🔌 Supports Quick Charge 1.0 fast charging technology (up to) 18W)
• 🛡️ Equipped with protection against short circuit and deep discharge

These are the characteristics that make BM45 Fake batteries are often an attractive target for fraudsters:

• 🔥 They are overheated when charged (the risk of swelling or fire)
• ⚡ Have a real capacity 2-3 times lower than the declared (for example, 1000-1500 mAh instead of 3060 mAh)
• 📉 They quickly lose their capacity (degrade in 3-6 months)
• 🔌 Do not support fast charging (charge 2-3 times longer)

According to independent tests, up to 70% of batteries BM45 There are fakes or repaki on the market, and even in the checked stores you can run into counterfeits if you don't know the key signs of the original.

Signs of the original BM45: How to distinguish from a fake

Before buying, be sure to check the battery against these criteria, even one point that does not match is a reason to doubt the authenticity.

Critical point: counterfeits are often disguised as “improved” versions with a capacity of 3600-4000 mAh. In fact, such batteries have a real capacity of 1500-2000 mAh and quickly fail.

⚠️ Note: If the seller claims that the battery is “universal” and is suitable for multiple Xiaomi models (e.g. Redmi Note) 2/3/Prime) — it 100% It's a fake. BM45 Compatible with Redmi Note only 2 (code HM2014811).

Require a photo of the battery with the serial number|Check the weight on the scales (should be 48-52 g)|Read the scanner. QR-packing-code|Compare the price to the average market (1200–1800) ₽)|Ask the seller about the guarantee (the original has a minimum of 6 months)-->

Where to buy the original BM45: TOP-5 spot-tested

We have analyzed the reviews on the forums. 4PDA, Mi Community and Reddit, and data from Yandex.Market and Google Shopping to rank reliable sellers. Importantly, even in checked stores, you get fakes, so always check the battery for signs from the previous section.

1. Official Xiaomi Service Centers

✅ Pros: 100% original spare parts, 12 months warranty, professional installation.

❌ Cons: Price above the market (2000–2500) ₽ Not all cities have a SC.

How to find the nearest center:

1. Go to the mi.com/global/service/repair
2. Enter the Redmi Note 2 and your hometown
3. Choose a center with a rating not lower 4.5/5

2. AliExpress (Verified sellers only)

✅ Pros: Price from 800 ₽, wide choice, customer reviews.

❌ Cons: Risk of counterfeiting, long delivery (2-4 weeks), possible problems with return.

Recommended sellers (according to data for 2026):

• Xiaomi Mi Store Official is a flagship store, but batteries are often custom-made
• DYS Battery Store – specializes in batteries, rating 98.5%
• HQ Battery – provides a video with a capacity test before sending

⚠️ Warning: Never buy anything BM45 If you have sellers with ratings below 97% or reviews below 500, avoid stores that offer “free installation” — a sign of scammers who sell fakes and hope you won’t return the product because of the difficulty of dismantling.

3.Ozone and Wildberries

✅ Pros: Fast delivery (1-3 days), return within 14 days, often promotions.

❌ Prices are higher than on AliExpress (1500–2000) ₽), Not all sellers are vetted.

How to choose a reliable seller:

• 🛒 Look for products marked “Original” or “100% compatibility"
• 📊 Check the seller's rating (should be no lower than the 4.8/5)
• 💬 Read reviews with photos (especially negative ones – they often write about fakes)

Examples of reliable offers (as of 2026):

• "Xiaomi battery BM45 Original for Redmi Note 2 by Mi Shop Russia
• "Battery BM45 3060mAh 6 months warranty from BatteryPro

4. Local electronics stores

✅ Pros: You can touch the product before buying, there is no risk of losing the parcel.

❌ Cons: Prices inflated (1800–2500) ₽), small-scale.

Where to look:

• 🏬 Network "Svyaznoy" (sometimes there are original spare parts)
• 🏬 Stores "M. Video" or "Eldorado" (in the section "Accessories for Xiaomi")
• 🏬 Local service centers (ask for "customized" service centers")

5.Avito and Yula (hand-buying)

✅ Pros: You can bargain, sometimes come across used originals at a low price.

❌ Cons: Very high risk of counterfeiting, no guarantee.

How to minimize the risks:

• 📸 Require a photo of the battery with the serial number and weights
• 📍 Meet only in crowded places (such as a shopping mall)
• 🔍 Check the battery on site for the original

1. Shows the battery from both sides.

2. weighs it on the kitchen scale.

3.Scanning. QR-packing-code.

It'll weed out 90% of the scammers.-->

How much does the original cost? BM45 2026

Prices for BM45 The following is an up-to-date table of average market prices (as of June 2026):

If you are offered a battery for less than 800 ₽, It's almost guaranteed to be fake, and you should also be wary if the price goes over 2,500. ₽ — It is probably a dealer who overvalues the.

Tip: Check the dollar before you buy - AliExpress prices are pegged to currency and can change dramatically. For example, in 2023 due to a price jump BM45 It's grown from 600 on the platform. ₽ 1200 ₽ month-on-month.

💡

The most reliable option is to buy in the official Xiaomi SCC, but if you want to save money, choose a trusted seller on AliExpress with a rating above 98% and the number of orders from 1000.

How to replace yourself BM45 Redmi Note 2

If you decide to install the battery yourself, follow this step-by-step instruction.Warning: Incorrect replacement can damage the plumes or motherboard!

What you'll need:

• 🔧 Setting screwdrivers (T3, T5, cross-section)
• 🧲 Screen suction cup
• 🔥 Fryer (for softening glue)
• 📱 Plastic mediators (for smearing the body)
• 🔋 New battery BM45

Step-by-step:

1. Turn off the phone and remove it. SIM-map.
2. Heat the back cover around the perimeter with a hair dryer (temperature 60–70)°C, no higher!).
3. Tap the cover with a plastic mediator, starting at the bottom corner.
4. Unscrew 10 screws (use a screwdriver) T3 for black screws and T5 silver-plated).
5. Disconnect the battery plume (gently attach the connector with a plastic blade).
6. Remove the old battery (under it there may be glue - do not pull sharply!).
7. Install a new battery, plug in the plume and assemble the phone in reverse order.

⚠️ Critical moments:

• 🔌 Do not touch the battery contacts with metal objects - the risk of short circuit!
• 🔥 Do not overheat the body with a hairdryer - you can damage the screen or board.
• 📱 Do not turn on your phone if the battery is not fixed – vibration can tear off the plume.

Frequent mistakes in buying and replacing BM45

Even experienced users sometimes make mistakes that lead to buying a fake or damaging a phone, and the most common of them are:

• 🛒 Buy at the lowest price. A battery for 400-600 ₽ It is guaranteed to be a fake with a capacity of 800-1000 mAh.
• 📦 Ignoring packaging. BM45 It's always in a branded blister with a hologram, and if the seller sends the battery in a package, it's a fake.
• 🔧 Using metal tools, when you disassemble a phone with a metal screwdriver, it's easy to damage the plumes or contacts.
• 🔥 Overheating with a hair dryer. Temperature above 70.°C can deform the plastic case or damage the screen.
• 📱 No test after replacement. Always check your new battery with AccuBattery (should show a capacity of 2800-3100 mAh).

Another common mistake is to buy a battery on hand without checking, for example, Avito often sells refurbished batteries that will last a couple of months.

• 📸 Photo of the battery with serial number
• ⚖️ Photo with weights (should be 48-52 g)
• 🔍 Video with multimeter test (voltage should be 3.7–3.85V)

Example from the forum: User from the forum 4PDA bought BM45 700 ₽ A 95%-rated AliExpress was used by a vendor, and after a month the battery swelled and the phone stopped turning on, and when we disassembled it turned out that the battery capacity was only 900 mAh, and the contacts were soldered artisanally. As a result, a new battery was purchased and the board repaired (total costs: 4,000). ₽).

Alternatives BM45: Should we consider analogues?

If original BM45 It's not possible to find it, or it seems to be overpriced, and you can consider alternatives.

1. Batteries from third-party manufacturers

Some brands are making compatible batteries for the Redmi Note 2, such as:

• Baseus – capacity of 3200 mAh, price 1300-1500 ₽
• Remax – capacity of 3000 mAh, price 1000-1200 ₽
• ZMI (subbrand Xiaomi) – capacity of 3100 mAh, price 1400–1600 ₽

✅ Pros: Often cheaper than the original, easy to find on sale.

❌ Cons: No guarantee of compatibility with fast charging, there may be problems with calibration of the charge.

2. High-capacity batteries

There are batteries with labels on the market BM45 4000mAh or 5000mAh. This is a scam: the actual capacity of such batteries rarely exceeds 2000 mAh, and their use can lead to damage to the charge controller.

3.B/u original batteries

On Avito or in service centers sometimes sell used BM45 They're from donor phones. You can buy them if you want:

• 📊 Capacity according to the test AccuBattery not lower than 2500 mAh
• 🔋 Contact voltage 3.7–3.85V
• 📅 Battery age is not more than 1.5-2 years

⚠️ Warning: If a seller claims that the battery is "practically new" or "was in stock" but can't provide proof (production date photo, tests) - that's cause for doubt. BM45 not stored in warehouses for longer than 6 months due to degradation of lithium polymer cells.

FAQ: Answers to frequent questions about BM45