LISEN 2E421 5000mAh power bank Glacier Gray
A 5000mAh lithium-polymer power bank with MagSafe magnetic alignment for iPhone 12-17 series, 0.38in thin and 3.6oz light
- Total capacity5,000 mAh
- Compatible phone brandsiPhone 17 Pro Max Plus Air/16e/16/15/14/13/12 Pro Max Plus M
- Compatible phone modelsiPhone 17 Pro Max Plus Air/16e/16/15/14/13/12 Pro Max Plus M
- Battery chemistryLithium polymer
- Voltage9 V
- Amperage3 A
- Slim 0.38" profile fits pocket carry
- Light 3.6 oz weight eases daily transport
- 5000 mAh cell gives 3000 mAh rated output
- USB-C port handles 9 V 3 A charging
- MagSafe alignment works with iPhone 12 through 17 series
Ultra-Slim Magnetic Power Bank
The LISEN 2E421 is a 5000mAh lithium-polymer power bank built for iPhone 12 through 17 series devices with MagSafe alignment. Its Glacier Gray finish and 0.38in profile let it snap onto the back of a compatible phone or MagSafe case without adding bulk for daily carry.
Wireless Charging Limits
Magnetic wireless output is constrained by a 35 to 45 percent efficiency loss, so the 5000mAh cell delivers a rated 3000mAh and roughly 0.67 full charge for an iPhone 17 Pro. iOS thermal management may pause charging at 80 percent until the handset drops below 105°F, and heavy use while attached will increase heat.
Build and Everyday Use
The 3.6oz pack measures 9.7in by 6.5in by 0.8in and uses USB-C for both input and output at 9V 3A. Reliable magnetic attachment requires a MagSafe-compatible case or no case; metal, ring, wallet or cases thicker than 2.5mm weaken the hold and raise operating temperature.
How it compares
Measured against everything we stock in Portable Chargers & Battery Packs, at today’s prices. Recalculated every night.
- Price $31.99
- Cheaper than about 65% of the 1,307 comparable items (median $36.99).
Specifications
| Product | |
|---|---|
| Brand name | LISEN |
| Model name | 2E421 |
| Part number | 2E421 |
| Total capacity | 5,000 mAh |
| Product type | 5,000 mAh |
| Product color | Glacier Gray |
| Ports & slots | |
| Output type | USB Type C |
| Input | USB Type C |
| Power | |
| Battery chemistry | Lithium polymer |
| Voltage | 9 V |
| Amperage | 3 A |
| Size & build | |
| Measurements | 9.7 in × 6.5 in × 0.8 in |
| Compatibility | |
| Compatible phone brands | iPhone 17 Pro Max Plus Air/16e/16/15/14/13/12 Pro Max Plus Mini,MagSafe Cases?Reliable Support? With 2 years of worry-free support, our service team is always 24 h online, ready to provide satisfactory solutions should the product doesn't fit or breaks within the warranty period |
| Compatible phone models | iPhone 17 Pro Max Plus Air/16e/16/15/14/13/12 Pro Max Plus Mini,MagSafe Cases?Reliable Support? With 2 years of worry-free support, our service team is always 24 h online, ready to provide satisfactory solutions should the product doesn't fit or breaks within the warranty period |
Questions about this item
Which capacity suits an iPhone 12 Pro Max for a full day of backup?
The 5000mAh cell delivers a rated 3000mAh output, giving roughly .67 charge for an iPhone 17 Pro and similar runtime for 12 through 16 series
What does the 5000mAh rating actually yield when the bank is attached to my iPhone?
Internal losses of 35 to 45 percent reduce usable energy to about 3000mAh, so expect a single partial top-up rather than multiple full charges
What wired standard does the USB Type C port use and what limits its speed?
The single USB Type C port handles both input and output at 9 volts and 3 amps, so wired throughput is fixed by that voltage and current combination
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