Anker 737 Power Bank vs Energizer Ultimate Power Bank
Side-by-side comparison of features, pricing, ratings, and alternatives.

The Anker 737 Power Bank is a high-capacity portable power bank designed to keep your devices charged on the go. With a 24,000mAh battery and 140W USB-C output, it can quickly charge laptops, tablets, and smartphones. The smart status display shows the remaining battery life and charging status, making it easy to manage your power needs.
The Energizer Ultimate Power Bank is engineered to keep your smartphones, tablets, and other USB-powered devices charged when you are away from a wall outlet. Featuring high-density lithium-ion battery cells, it delivers multiple full charges for a typical smartphone, ensuring you stay connected throughout your workday, travels, or outdoor excursions. Built with multiple output ports and advanced safety protections, this power bank allows you to charge more than one device simultaneously with peace of mind. Its durable exterior withstands the rigors of daily travel, making it a dependable backup power source for commuters, travelers, and outdoor enthusiasts alike.
- High-capacity battery
- Fast charging capabilities
- Smart status display
- Compact and portable design
- High total battery capacity for multiple device charges
- Supports simultaneous charging of multiple devices
- Durable build quality suitable for travel
- Universal compatibility with standard USB gadgets
- No wireless charging capability
- No built-in cable management
- May be too large for some pockets or bags
- Heavier and bulkier than ultra-slim pocket chargers
- Charging the power bank itself can take several hours
- Does not include built-in AC wall outlets for laptops
More alternatives & similar tools
Alternatives to Anker 737 Power Bank
View all →
Reliable and portable high-capacity portable charger for all your mobile devices.

Reliable portable charger delivering fast power on the go for all your mobile devices.

Reliable high-capacity portable charging for all your essential mobile devices.
Alternatives to Energizer Ultimate Power Bank
View all →
Reliable and portable high-capacity portable charger for all your mobile devices.

Reliable portable charger delivering fast power on the go for all your mobile devices.

Reliable portable power bank designed to keep your mobile devices charged on the go.
The Verdict
AI-generated from listing dataThe Anker 737 offers faster, higher‑power charging and a smart display at double the price, while the Energizer is cheaper but bulkier with slower, lower‑power output.
Key differences
- •Anker delivers 140W USB‑C output for laptops; Energizer lacks laptop‑grade power.
- •Anker’s 24,000 mAh capacity vs. Energizer’s unspecified 10,000‑20,000 mAh range.
- •Anker includes a smart status display; Energizer only has basic LED indicators.
- •Energizer is $50 cheaper but is heavier and bulkier.
- •Anker supports USB‑C and USB‑A only; Energizer adds Micro‑USB input.
Key features
Anker provides 140W USB‑C output and smart display; Energizer lacks laptop‑grade power and display.
Battery life
Anker’s 24,000 mAh supports up to 30 h for small devices; Energizer’s capacity varies 10‑20 k mAh.
Ecosystem & compatibility
Energizer lists universal USB compatibility and multiple ports; Anker focuses on high‑power USB‑C and USB‑A only.
Comfort & design
Anker is described as compact and lightweight; Energizer is noted as heavier and bulkier.
Durability
Energizer emphasizes a durable, sturdy outer casing; Anker’s durability not specified.
Price & value
Energizer costs $49.99 vs. Anker’s $99.99, offering lower upfront cost.
Choose Anker 737 Power Bank if…
Travelers needing fast laptop charging and real‑time battery readout.
Choose Energizer Ultimate Power Bank if…
Budget‑focused commuters who prioritize multiple device ports and ruggedness.
Common questions
Can either power bank charge a laptop?
Only the Anker 737 provides 140W USB‑C output sufficient for most laptops.
Which offers a longer runtime for small devices?
Anker, with a 24,000 mAh battery delivering up to 30 hours for small gadgets.
Is the price difference justified?
Anker costs $99.99 and adds high‑power output and a smart display; Energizer is $49.99 with lower power and basic LEDs.
