The Anker 325 Power Bank (PowerCore Essential 20K) is a staple for anyone needing dependable power on the go. With an impressive 20,000mAh capacity, it can recharge most smartphones up to five times or tablets twice — all while maintaining Anker’s signature efficiency and safety.
Equipped with PowerIQ and VoltageBoost technologies, this power bank intelligently adjusts output to ensure optimized charging speed for each device. Dual USB-A ports let you charge two devices simultaneously, while the USB-C input/output ensures broad compatibility with newer phones and accessories.
Who Should Grab This Deal
- Travelers and commuters who need reliable backup power for multiple devices
- Mobile professionals or students who want a long-lasting power solution
- Users who trust Anker’s proven safety and performance reputation
Pros
- 20,000mAh capacity powers most phones 4–5 times
- Dual USB-A ports for multi-device charging
- PowerIQ and VoltageBoost for optimized speed
- Durable, textured exterior resists scuffs and slips
- USB-C and Micro USB input flexibility
- Backed by Anker’s trusted 18-month warranty
Cons
- 15W output isn’t fast enough for laptop charging
- No built-in cables or digital display
- Slightly bulky for pocket carry
Lab-Tested Performance That Backs It Up
- Capacity: 20,000mAh — recharges iPhone 15 ~4.5x, Galaxy S24 ~4x
- Output Power: 15W max via dual USB-A with PowerIQ optimization
- Recharge Time: ~10 hours with 10W charger via USB-C
- Build Quality: Reinforced shell withstands drops and heavy travel use
- Safety: The MultiProtect system prevents overcharge, overheating, and short circuits





























