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Samsung 25W Travel Adapter (TA800) Review: The Only Charger You Should Buy for Galaxy?

  Samsung 25W Travel Adapter (TA800) Review: The Only Charger You Should Buy for Galaxy? By The Tech Guru If you just bought a Samsung Galaxy phone—whether it's a budget M-series, a mid-range A55, or a flagship S24—you likely faced a rude shock when you opened the box. No charger. Just a cable. Samsung says this is for the "environment." We know it's to save costs. So now you have a choice: buy a random cheap charger from the market, or buy the official Samsung 25W Travel Adapter (TA800) . Is the official one actually worth ₹1,000? Or is it just an overpriced brick? I bought one for my Galaxy M34 to find out. The Secret Sauce: What is PPS? Most students make a mistake here. They buy a "33W Fast Charger" from brands like Mi or Realme, plug it into their Samsung, and wonder why it charges slowly. The reason is PPS (Programmable Power Supply) . Samsung phones use this specific technology to unlock "Super Fast Charging." Standard Charger: Charges a...
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Mi Power Bank 3i vs Ambrane Stylo 20K: The Ultimate 20,000mAh Battle


Mi Power Bank 3i vs Ambrane Stylo 20K: The Ultimate 20,000mAh Battle

By The Tech Guru

If you are planning a long train journey home or just want to survive a week of hostel power cuts, you need a 20,000mAh power bank. And if you are looking for one in India under ₹2,000, your search has almost certainly narrowed down to these two titans.

In one corner, we have the Mi Power Bank 3i, the "King of Reliability." It is the most popular power bank in India, known for being virtually indestructible. We covered its pros and cons in our full [Mi Power Bank 3i Review].

In the other corner, we have the Ambrane Stylo 20K, the "Speed Demon." It’s a proudly "Made in India" challenger that promises faster charging speeds and a tougher build. Read our deep dive in the [Ambrane Stylo 20K Review].

So, which brick deserves a spot in your backpack? Do you stick with the trusted legend or upgrade to the modern challenger? Let’s find out.


Round 1: Charging Speed (18W vs. 20W/22.5W)

This is the biggest difference between the two, and for many students, the deciding factor.

  • Mi Power Bank 3i: It maxes out at 18W Fast Charging. While this was considered "fast" a few years ago, in 2025, it’s starting to feel a bit average. It will charge your phone reasonably quickly, but it won’t give you that "super fast" top-up feeling.

  • Ambrane Stylo 20K: This power bank supports 22.5W BoostedSpeed™ technology. It supports Power Delivery (PD) and Quick Charge 3.0 protocols that can charge compatible phones up to 50% in just 30 minutes. It is noticeably snappier than the Mi.

Verdict: If you are always in a rush, Ambrane is the clear winner. Winner: Ambrane Stylo 20K

Round 2: Build Quality (Sandstone vs. Rugged)

Both are built to survive student life, but they take different approaches.

  • Mi Power Bank 3i: It features a premium sandstone-finish plastic body. It feels sleek, professional, and slightly slimmer. However, at 434g, it is dense and heavy.

  • Ambrane Stylo 20K: It uses a high-grade ABS plastic casing with a rugged, textured finish. It feels more "industrial" and is designed to resist scratches from keys in your bag. However, it is heavier at around 500g and feels bulkier in the hand.

Verdict: Mi feels more premium and is lighter. Ambrane feels tougher but heavier. Winner: Mi Power Bank 3i (For Weight/Portability)

Round 3: Ports & Features

How flexible are they?

  • Mi Power Bank 3i:

    • Output: 3 Ports (2 USB-A + 1 Type-C).

    • Input: Dual Input (Micro-USB + Type-C). This is a rare and useful feature. If you still have an old Micro-USB cable lying around, you can use it to charge the power bank.

  • Ambrane Stylo 20K:

    • Output: 3 Ports (2 USB-A + 1 Type-C).

    • Input: Type-C Only (20W Input). It lacks the Micro-USB input option. However, the Type-C input is slightly faster (20W) compared to Mi's 18W input.

Verdict: Mi wins on versatility (Dual Input), but Ambrane wins on input speed. Winner: Draw

Round 4: Reliability (The Trust Factor)

  • Mi: Xiaomi is the market leader for a reason. Their power banks are known to last for 3-4 years without significant battery degradation. The 12-Layer Circuit Protection is industry-leading.

  • Ambrane: Ambrane is a respectable Indian brand, and the Stylo 20K is BIS Certified with similar 12-layer protection. It is safe, but Mi has a longer track record of durability in the Indian market.

Verdict: You can't beat Mi's legendary track record. Winner: Mi Power Bank 3i


Final Verdict: Which One Should You Buy?

Both power banks cost roughly the same (around ₹1,600 - ₹2,000), so price isn't the issue. It comes down to Speed vs. Weight.

You should choose the Ambrane Stylo 20K if:

  • You want the fastest possible charging (22.5W) for your phone.

  • You prefer Made in India products.

  • You don't mind carrying a slightly heavier, bulkier brick.

You should choose the Mi Power Bank 3i if:

  • You want something lighter (434g vs 500g).

  • You want the flexibility of Dual Input charging (Micro-USB support).

  • You value long-term reliability above everything else.

The Tech Guru's Pick: For 2025, I lean towards the Ambrane Stylo 20K. The extra charging speed makes a real difference when you only have 20 minutes to top up before a class.

Quick Comparison Table

Feature Mi Power Bank 3i Ambrane Stylo 20K Winner
Output Speed 18W Fast Charge 22.5W BoostedSpeed Ambrane
Weight 434g ~500g Mi
Input Ports Type-C + Micro-USB Type-C Only Mi
Build Sleek Sandstone Rugged Textured Tie
Origin China (Xiaomi) Made in India Ambrane

Still confused? Bookmark StudentTechIndia for more gadget showdowns.

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