Can i leave the usb cable plugged in whilst using the battery? not charging and discharged at the same time, just need to have the ability keep usb in

While the battery charges charges using the USB there would be no problem, leaving the USB charger cord plugged in as there would be load on the charger or battery. You cannot overload the USB Charger when its not not under charge. They are designed that way when they are made.

Is ebl usb rechargeable 9v batteries - 5400mwh suitable for guitars?

I bought these for another purpose. Short version, I was using a 9v guitar battery box in another project. These batteries did not fit in the battery box

Is the size of ebl usb rechargeable 9v batteries standart or larger than usual ones?

The same size as the normal 9v battery.

Is it safe/possible to charge and discharge these at the same time? Can I leave them plugged into the device they're powering while I charge them up?

In the case of the USB chargeable batteries, yes it is. They continue to produce 9 volts on the main terminals and can deliver power to connected devices while being charged via the micro USB socket on the bottom. While charging the red LED lights up as normal.

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EBL Rechargeable 9V Batteries 4-Pack 5400mWh USB with Micro Cable

Product ID: 217390224

Details

Battery capacity
5400
Battery cell composition
Lithium Ion
Brand
EBL
Number of batteries
4 9V batteries
Recommended uses for product
GPS

⚡2-hour rapid USB charging

🔄500 recharge cycles durability

🔋5400mWh high capacity

฿3091

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Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔌 Power up fast, last longer, and stay ahead of the pack!

BUILT TO ENDURE - Up to 500 deep charge cycles with 1200 Tech for long-term, eco-friendly use.
FAST EFFICIENT - Advanced iQuick tech delivers a full charge in just 2 hours, saving your valuable time.
POWER THAT LASTS - Reliable 9V output (8.9V-9.1V) ensures steady performance until fully drained.
VERSATILE COMPATIBILITY - Perfect for smoke alarms, wireless mics, GPS, toys, and essential home devices.
CHARGE ANYWHERE ANYTIME - Unique USB charging with included 4-in-1 micro cable eliminates bulky chargers.

EBL Rechargeable 9V Batteries 4-Pack offers a robust 5400mWh lithium-ion capacity with stable 9V output. Featuring rapid 2-hour USB charging via a convenient 4-in-1 micro cable and up to 500 recharge cycles, these batteries combine eco-conscious durability with versatile use for high-demand devices like smoke alarms and wireless microphones.

Specifications

ASIN	B089CRTDDY
Amperage	2 Amps
Antenna Location	GPS
Battery Capacity	5400 milliamp_hours
Battery Cell Type	Lithium Ion
Battery Weight	120.8 Grams
Best Sellers Rank	6,013 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 151 in Rechargeable Household Batteries
Brand Name	EBL
Country of Origin	China
Customer Reviews	4.4 4.4 out of 5 stars (920)
Item Dimensions	45 x 26 x 17 millimetres
Item Weight	0.15 Kilograms
Manufacturer	EBL
Model Number	9VCV-USB
Number of Batteries	4 9V batteries required.
Reusability	Rechargeable
Unit Count	4.0 count
Voltage	9 Volts

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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The product quality is outstanding. Exactly what I needed for my work.

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฿3091

Duties & taxes included

In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Thailand.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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Customer service was outstanding when I had questions about the product.

2 days ago

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