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Product guide

JIGA GN1 27,000mAh Power Bank, 22.5W

The JIGA GN1 is a portable power bank listed with 27,000mAh capacity and 22.5W fast charging. Its multiple charging inputs and outputs, USB-C two-way charging claim, LED indicator and built-in flashlight suit buyers seeking a high-capacity charger for phones and tablets, though customer feedback is mixed on charging speed and battery life.

At a glance

The listing claims 27,000mAh capacity and 22.5W fast charging.
The product description claims two inputs, Micro-USB and USB-C, plus three outputs for charging devices simultaneously.
USB-C two-way charging and LED indicator lights are listed as features.
The listing describes a built-in flashlight activated by a long press of the power button.

Price

£20.36Save 19%

Reference price: ~~£24.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

The stated capacity and simultaneous device-charging claim may suit travel or days away from a mains socket.
LED indicators provide a claimed visual indication of remaining charge.
USB-C is described as supporting two-way charging, for both replenishing the bank and charging a device.

Cons

At 380 grams, it is a relatively weighty option for a pocket-sized everyday carry. Customer feedback also reports mixed experiences with reliability and how long the charge lasts.

Technical specifications

16 specifications

Identity
Brand	JIGA
Model	GN1
Colour	red

Power and battery
Battery capacity	27000 Milliamp Hours
Power configuration	Corded Electric
Battery cell type	Lithium Polymer
Voltage	5 Volts
Amperage	2 Amps
Battery charge time	24 Hours
Rechargeability	Rechargeable

Connections and features
Connector types	USB Type A, USB Type C
Number of ports	4
Special features	LED Indicator Lights, USB C two-way charging
Compatible devices	Flashlight, Iphone, Samsung,, Smartphone, Smartwatch, Tablet

Dimensions and installation
Dimensions listed	15.5 x 3.5 x 7.6 centimetres
Weight listed	380 Grams

What to know before buying

Listing details to confirm

The listing's connection details do not fully agree: the specifications give USB Type A and USB Type C and four ports, while the feature text claims two inputs including Micro-USB and three outputs. Its title claims 22.5W, but the listed output current is 2 Amps at 5 Volts. Confirm the exact port layout and charging behaviour for the selected listing. A separate dimensions field also gives a different size, 15L x 3.5W x 7Th centimetres, than the dimensions recorded above. The claimed 24-hour battery charge time is listing information, not a measured result.

Who is it for?

A good fit for

People wanting a high-capacity portable charger for phones and tablets.
Buyers who value multiple claimed outputs, USB-C two-way charging and a charge indicator.
Camping or travel users who may find a claimed built-in flashlight useful.

Less suited to

People prioritising a light, pocket-friendly charger, given the listed 380-gram weight.
Buyers who need assured charging performance or reliability, since customer feedback on speed, reliability and battery life is mixed.
Anyone relying on a precise port configuration or charging rate without first confirming the selected listing details.

JIGA GN1 27,000mAh Power Bank, 22.5W · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 24,148 ratings

5 stars67%67%
4 stars16%16%
3 stars6%6%
2 stars2%2%
1 star9%9%

Customer feedback is divided on charging speed, reliability, battery life and value. Some customers report a good charging pace and a charge lasting days, while others say charging takes a long time, the unit stops working or it provides fewer than two full charges. These reports matter for a product promoted for high capacity and 22.5W charging, but do not establish its performance in every case. The aggregate ratings lean positive overall, while the distribution also includes a noticeable one-star share. Treat the listing's capacity and charging claims separately from customer-reported experience.

Mixed feedback

Reported charging speed varies, with some finding it good and others finding it slow.
Reliability feedback ranges from reports that it works well to reports that it stops working.
Battery-life reports vary, including claims of lasting days and reports of fewer than two full charges.
Opinions on value for money are divided.

Frequently asked questions

How much capacity is listed for the JIGA GN1?

The listing gives a battery capacity of 27000 Milliamp Hours. This is a manufacturer listing claim, not an independently verified usable capacity.

How many ports does it have?

The specification field says four ports, but the product description claims three outputs and two inputs, naming Micro-USB and USB-C. Confirm the exact arrangement before buying.

Does it support fast charging?

The title claims 22.5W fast charging. However, the listed output current is 2 Amps and voltage is 5 Volts, so the charging-rate details are inconsistent.

What is reported about customer experience?

Customer feedback is mixed on charging speed, reliability, battery life and value. Some report a good charging pace or lasting charge, while others describe slow charging, failures or fewer than two full charges.