Spigen Liquid Air Case for iPhone 15 Pro Max (ACS06644) vs Anker 325 Power Bank 20000mAh External Battery Pack
What separates them
These two differ on 1 recorded specification. The Anker 325 Power Bank 20000mAh External Battery Pack is ₹1,800 dearer.
Spigen Liquid Air Case for iPhone 15 Pro Max (ACS06644) vs Anker 325 Power Bank 20000mAh External Battery Pack
Spigen
Spigen Liquid Air Case for iPhone 15 Pro Max (ACS06644)
₹1,499
MIL-STD-810G on a phone case is worth understanding for what it is not: a test methodology, not a certification anyone grants or audits, where the manufacturer chooses the drop height and declares its own result.
Full details →Anker
Anker 325 Power Bank 20000mAh External Battery Pack
₹3,299
20000 mAh is measured at the cell's 3.7 V; your phone charges at 5 V, and the conversion loses 30 to 35 percent, so what actually reaches the phone is closer to 13000 mAh -- about three and a half charges rather than five.
Full details →Who the Spigen Liquid Air Case for iPhone 15 Pro Max is for
Buy it if: Anyone wanting slim protection with good grip and no yellowing.
Avoid it if: Anyone using MagSafe accessories -- there are no magnets, so mounts and wallets will not hold.
Who the Anker 325 Power Bank 20000mAh External Battery Pack is for
Buy it if: Travellers wanting several days of phone charging in something airline-legal.
Avoid it if: Anyone charging a laptop or wanting fast recharge -- 15 W in and out is slow at this capacity.
Specifications, side by side
1 of 17 rows differ. Differences first.
| Specification | Spigen Liquid Air Case for iPhone 15 Pro Max | Anker 325 Power Bank 20000mAh External Battery Pack |
|---|---|---|
| Price | ₹1,499 | ₹3,299 |
| Weight | 38 g | 435 g |
| Warranty | 1 Year Official Brand Warranty | 1 Year Official Brand Warranty |
| Actual deliverable | not published | Roughly 13000 mAh at 5 V after conversion losses of 30 to 35 percent. This is normal and almost never stated |
| Aircraft | not published | 74 Wh is under the 100 Wh cabin baggage limit, so it may be carried on board |
| Drop protection | Air Cushion corners. Spigen states MIL-STD-810G 516.6 compliance | not published |
| Grip | Matte textured back, which resists fingerprints far better than glossy TPU | not published |
| Input | not published | USB-C, 15 W -- so it takes roughly 10 hours to recharge itself |
| Material | Single-piece thermoplastic polyurethane | not published |
| Output | not published | 15 W maximum across two USB-A and one USB-C |
| Passthrough | not published | No -- it will not charge a device while itself charging |
| Phone charges | not published | About 3.5 full charges of a 4000 mAh phone, not the 5 the rated figure implies |
| Raised bezel | 1.2 mm at the screen, 1.5 mm at the camera | not published |
| Rated capacity | not published | 20000 mAh at the cell voltage of 3.7 V, which is 74 Wh |
| Thickness added | About 1.8 mm | not published |
| What MIL-STD-810G means | A test *method*, not a pass mark. The manufacturer selects the drop height and self-certifies the result | not published |
| Wireless charging | Works through the case; no MagSafe magnets, so a MagSafe accessory will slide | not published |
| Yellowing | Clear TPU yellows with UV over time; this is pigmented, so it does not | not published |
Every row is a figure one or both products record. A blank is a figure the catalogue does not hold, not a zero.
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