INIU 45W Portable Charger 20000mAh Wins
Winner

INIU 45W Portable Charger 20000mAh
7.8
Budget-conscious buyers wanting high capacity and fast charging at the lowest price
VS

Anker Nano Power Bank (5K, MagGo, Slim)
6.8
iPhone users who want the slimmest MagSafe power bank for pockets and purses
Score Comparison
Criteria
INIU 45W Portable Charger 20000mAh
Anker Nano Power Bank (5K, MagGo, Slim)
Overall Score
7.8
6.8
Charging Speed
7.5
5.5
Battery Capacity
8.5
4.0
Portability
7.0
9.5
Build Quality & Design
7.0
8.5
Port Selection & Features
8.0
7.5
Value
9.5
7.0
Pricing & Features
Specification
INIU 45W Portable Charger 20000mAh
Anker Nano Power Bank (5K, MagGo, Slim)
Price
$36.99
$54.99
Released
01-Oct-24
01-Jul-25
Making Your Decision
When to Choose INIU 45W Portable Charger 20000mAh
Budget-conscious buyers wanting high capacity and fast charging at the lowest price
The INIU 45W 20000mAh delivers exceptional value with its TinyCell battery technology and built-in cable. It's the best power bank for users who prioritize capacity and price over premium build quality.
Strengths
- TinyCell high-density battery is 30% smaller than standard cells
- Built-in USB-C cable eliminates need for a separate cable
- 45W USB-C fast charging for phones and tablets
- Outstanding value — frequently on sale for ~$20
Limitations
- Build quality feels budget compared to Anker
- Display is basic compared to smart displays on premium models
- Lesser-known brand with smaller support network
When to Choose Anker Nano Power Bank (5K, MagGo, Slim)
iPhone users who want the slimmest MagSafe power bank for pockets and purses
The Anker Nano 5K MagGo Slim is the thinnest MagSafe power bank available. At just 0.34" thick, it's perfect for a quick top-up without adding bulk to your iPhone.
Strengths
- Ultra-slim 0.34" profile — credit-card size, half the weight of iPhone 16 Pro Max
- Qi2 magnetic wireless charging snaps onto iPhone
- Graphene cooling with dual NTC chips prevents overheating
- Recharges fully in under 2 hours
Limitations
- 5,000mAh provides only ~1 full phone charge
- 15W wireless output is slower than wired alternatives
- Premium price for small capacity

