A 2-in-1 charger that functions as both a battery charger and power bank meets the charging needs of multiple devices, allowing you to travel light with just one device. Whether for outdoor camping, long-distance travel, or daily commuting, it can supply power anytime, helping you say goodbye to “battery anxiety”.

Initially, only XTAR and a few other brands offered chargers that could also serve as power banks. In recent years, more imitations and other brands have emerged, making it difficult for users to choose the right one.

This article will focus on three core dimensions: battery compatibility, charging performance, and user experience. It will comprehensively analyze 7 mainstream 2-in-1 chargers on the market and use real data to tell you which one is most worth buying.

Comprehensive Comparison to Eliminate Choice Difficulty

The following is a parameter comparison of several common 2-in-1 chargers on the market for reference:

Brand	XTAR	Klarus	Liitokala	Vapcell	Efest	Lumintop	Yonii
Model	PB2SL V2	K2A	Lii-MP2	P2	Lush Box	PD2	PD2
Battery Compatibility	Protected/ unprotected 18650-21700 (Full compatibility)	Protected/ unprotected 18650-21700 (Full compatibility)	NO protected 21700	Only unprotected 18650	Only unprotected 18650	NO protected 18700/20700/21700	NO protected 18700/20700/21700
Input	PD3.0 & QC3.0(5V 3A/9V 2A), PD2.0/ QC2.0/ AFC/ FCP/ SCP/ PE1.1	PD3.0 & QC3.0（ 9V 2A/ 12V 1.5A/ 5V 2A ）	PD3.0 & QC3.0（ 9V 2A/ 12V 1.5A/ 5V 2A ）	DC 5V 2A	DC 5V 2.1A	PD3.0 & QC3.0（ 9V 2A/ 12V 1.5A/ 5V 2A ）	PD3.0 & QC3.0（ 9V 2A/ 12V 1.5A/ 5V 2A ）
Charging Current	2A×2/ 2A×1/ 1A×2	2A×2/ 2A×1	2A×1/ 1A×2	2A×1/ 1A×2	2.1A×1/ 1A×2	2A×2/ 2A×1/ 1A×2	2A×2/ 2A×1/ 1A×2
Max USB Output	22.5W	15W	18W	10W	10.5W	18W	18W
Fast Charging Protocols	QC 3.0/PD 3.0, QC4+, AFC, SCP, PPS, and low-voltage direct charging protocols	QC 3.0/ PD 3.0	QC 3.0	NO	NO	QC 3.0/ PD 3.0	QC 3.0/ PD 3.0
Reference Price	＄23.99	＄24.95	＄13.5-19	＄17.32	＄12.9-16.9	＄16.99-21.95	＄17.9-19.25

* The above data is updated as of the publication date of this blog post.

Evaluation Results: Four Tiers to Meet Different Needs

Tier 1: All-Round Champion

Representative Model: XTAR PB2SL V2

Features:

• Wide battery compatibility, supporting various specifications of protected/unprotected batteries.
• Maximum output power (22.5W) with the most comprehensive fast charging protocol support, extending compatibility with Samsung, Huawei, and other devices.
• The only model with a low current mode, suitable for devices with a low cut-off current, such as headphones and watches.
• Type-C bidirectional fast charging with dual ports output simultaneously.
• No shortcomings in performance, functionality, and user experience.

Suitable for: Tech enthusiasts, outdoor adventurers, users pursuing ultimate experience.

Tier 2: Performance Choice

Representative Model: Klarus K2A

Features:

• Wide battery compatibility, supporting various specifications of protected/unprotected batteries.
• Supports Type-C interface and PD fast charging.
• No low current mode or other fast charging protocols beyond QC/PD 18W.

Suitable for: Practitioners who value battery compatibility

Tier 3: Cost-Effective Choice

Representative Models: Liitokala Lii-MP2, Lumintop PD2, Yonii PD2

Features:

• Supports QC3.0 fast charging, basically meeting daily usage needs.
• Limited battery compatibility; does not support protected 21700 batteries.
• No low current mode or other fast charging protocols beyond QC/PD 18W.

Suitable for: Budget-conscious users who mainly use 18650 batteries

Tier 4: Entry-Level Basic Models

Representative Models: Vapcell P2, Efest Lush Box

Features:

• Does not support fast charging protocols, output power of 5V/2.1A
• Only supports 18650 batteries with the most basic functions
• Only has a battery percentage display without other battery information

Suitable for: Users who only need basic charging functions

Real Reviews: Details Worth Noting

The parameter table shows theoretical performance, but real experience is crucial.

To provide you with a more intuitive reference, we invited two senior tech bloggers to conduct actual tests on the XTAR PB2SL V2 charger and other brands’ 2-in-1 chargers. Here are their key findings.

@Kerry Wong’s Review:

In terms of magnetic cover design, the Yonii PD2 has weaker magnetic attraction and risks falling off with slight shaking; while the XTAR PB2SL V2’s magnetic cover is very secure and remains stable even after vigorous shaking tests, with overall better build quality.

In terms of performance, the charging and output functions of the XTAR PB2SL V2 both meet the stated current and capacity specifications, showing stable and reliable performance with satisfactory overall quality and functionality.

👉 Click here to view the full review.

@Pardon My English’s Review:

The Lumintop PD2 has weak magnetic attraction, its charging cover easily falls off, and requires additional rubber pads to fix smaller batteries like 18650. The XTAR PB2SL V2 has a securely closed magnetic cover and built-in adaptive bracket that can stably accommodate various battery sizes (including 18650 and 21700) without accessory assistance. Its battery compatibility, structural design and adapter solution are significantly better than similar products.

For flashlight enthusiasts, the XTAR PB2SL V2 is a perfect 2-in-1 charger.

No Best, Only Most Suitable

After a comprehensive comparison, the XTAR PB2SL V2 performs the most balanced in all aspects, truly deserving the title of “All-Round Champion”.

• If you pursue the ultimate experience, XTAR PB2SL V2 is the best choice.

• If you value practicality more and mainly charge one or two devices, then high-performance practical products may be more suitable for you.

• If you have a limited budget or only need basic functions, there are also multiple cost-effective options to meet your needs.

We hope this review provides a valuable reference to help you find the charging companion that truly understands your needs, making charging simple and efficient from now on.