Grenco Science - G Dual Power Charger

The Grenco Science - G Dual Power Charger is a USB charger from Grenco Science, the company behind G Pen, with two independent USB ports. Plug in two USB charging cables and charge two devices at the same time, like a pair of vape pen batteries or a battery and a phone. It sells for $14.99.

⚡ At-a-Glance Decision Summary

• What it is: A two-port USB charger branded G Power by Grenco Science.
• Why choose it: It charges two devices at once from one plug.
• The differentiator: Two independent ports, so each device charges on its own line.
• Confidence signal: Authentic Grenco Science from Angies Boutique, a Los Angeles smoke shop trading since 1990.

Summary: The G Dual Power Charger runs two USB charging cables from one charger, so two devices charge together.

🧠 Our Verdict

Strong recommendation for anyone who rotates two batteries, shares a charging spot or wants the phone and the pen on one plug. If you only ever charge one device, the single-port G Power Wall Adapter does the job for less.

Quick Summary

Grenco Science makes the G Pen line of vaporizers and the accessories around them. The G Dual Power Charger is its two-port USB charger. Each port works independently, so you can charge one device or two, and unplugging one cable does not interrupt the other. Bring your own USB cables: the charger supplies the ports, and your devices' cables supply the right connector on the other end.

Grenco Science G Dual Power Charger – Two Ports, Two Devices, One Plug

Two batteries beat one, as long as both are charged. Rotating a pair of pen batteries keeps one in use while the other refills. The G Dual Power Charger makes that easy: two independent USB ports, so both batteries charge side by side from one charger.

Independent ports matter. Each port runs on its own, so you can top up a battery on one side and a phone on the other, then pull either cable without stopping the other device.

It is a USB charger, not a dock. It works with your own USB charging cables, so it fits whatever connector your devices use, from older 510 batteries to newer gear.

Keep it with your G Pen Collection gear, and see every charger and spare part in Vaporizer Accessories.

Summary: Two independent USB ports let you charge two devices at once and unplug either one without interrupting the other.

⭐ Who This Product Is For / Not For

Ideal For:

• People who rotate two vape pen batteries.
• Couples or roommates who share one charging spot.
• Anyone who wants a pen battery and a phone on one charger.

Not Recommended For:

• Single-device charging on a budget. Choose the Grenco Science G Power Wall Adapter.
• Anyone without USB cables. Cables are not part of the charger.
• Fast-charge devices that need a dedicated high-power charger.

Summary: Made for two-device USB charging; not the pick for one device on a budget or for fast-charge setups.

⚠️ Known Limitations

• No cables included. Use the USB cables that came with your devices.
• Standard USB charging. Devices that support higher-wattage fast charging charge at their standard rate.
• Two ports. A third device waits its turn.
• US plug. For outlets abroad, pair it with a plug converter.

Summary: Two ports, cables not included, standard charging, and a US plug.

⚙️ Features & Benefits

• Two independent USB ports: charge two devices at the same time.
• Works with your cables: fits whatever connector your devices use.
• One plug, one spot: keeps the nightstand or counter to a single charger.
• Grenco Science accessory: made by the company behind G Pen.
• Compact: small enough for a travel bag.

Summary: The G Dual Power Charger pairs two independent USB ports with a compact plug.

📐 Structured Specs

Summary: A $14.99 USB charger with two independent ports; bring your own cables.

🔌 Compatibility & Requirements

Works with:

• Vape pen and portable vaporizer batteries that charge through a USB cable.
• Devices in our G Pen Collection that charge over USB, used with their own cable.
• Other USB-powered gear, like a phone or a USB-charged dab tool.

NOT compatible with:

• Devices that charge only from a proprietary dock or barrel plug.
• Non-US outlets without a plug converter.

You will need: one USB cable per device.

Summary: Charges anything that takes a USB cable, two at a time, with your own cables.

🧼 How to Use & Troubleshooting

1. Plug the charger into a wall outlet.
2. Connect a USB charging cable to one port, and a second cable to the other port if you are charging two devices.
3. Connect each cable to its battery or device.
4. Watch for each device's charging light.
5. Unplug each cable when its device shows a full charge.

Troubleshooting:

• Problem: one device charges, the other does not. Solution: swap the cables between ports; if the problem follows the cable, replace the cable.
• Problem: no charging light on either device. Solution: try another outlet.
• Problem: the charger feels warm. Solution: that is normal while charging two devices; unplug it if it gets hot.

Keeping your kit clean: wipe the charger with a dry cloth only; keep alcohol away from electronics. Your glass and grinder are a different story: our herb grinder cleaning guide covers the alcohol routine, and AFM Glass vs. Heady Glass helps if you add a water piece to your setup.

Summary: Plug in, connect one cable per device, and swap cables between ports to find a bad one.

⚖️ Comparison Table

Two ports or one. If you charge two batteries, the dual charger saves a plug; if you charge one, the wall adapter costs less.

Summary: Choose the Dual Power Charger for two devices, or the wall adapter for one.

💬 Common Questions & Answers

Can it charge two devices at the same time?

Yes. The G Dual Power Charger has two independent USB ports, so you can run two USB charging cables from it and charge two devices together. Independent ports mean each device charges on its own line, and unplugging one cable does not interrupt the other. It is a simple way to keep a pair of pen batteries ready to go.

Does it only work with G Pen?

No. It is a USB charger, so it works with devices that charge through a USB cable, including G Pen batteries, 510 batteries, phones and other USB-powered gear. Use the cable that came with each device so the connector fits. Devices that charge only from a proprietary dock or a barrel plug are not a match for it.

Does it come with cables?

No. The G Dual Power Charger supplies the two USB ports, and you supply the cables. That keeps the right connector on each device end, whatever your batteries use, and it means one charger works across the USB gear you already own. If one device stops charging, swap cables between the ports to find out whether the cable is the problem.

Will it fast charge my device?

No. It is a standard USB charger. Devices that support higher-wattage fast charging, like USB-C PD vaporizers, still charge from it at their standard rate, which takes longer. For everyday top-ups of pen batteries, standard USB charging is what those batteries are designed for, and the second port lets you charge two at once.

Can I use it when I travel?

It has a US-style plug. In places with a different outlet shape, pair it with a plug converter so it fits the wall, and check the voltage rating printed on the charger against local power before you plug it in. Check each device's own charging instructions too, since each battery sets its own charging limits.

Should I get the dual charger or the wall adapter?

Choose the G Dual Power Charger if you rotate two batteries, share a charging spot or want a battery and a phone on one plug. Choose the G Power Wall Adapter if you charge one device at a time and want the lowest-cost option. Both are Grenco Science accessories and both work with your own USB cables.

Summary: Two devices at once, works with USB gear, cables not included, standard charging, US plug, and two ports versus one.

🛒 Complete Your G Pen Setup

Run it alongside a G Pen Connect, keep a spare Micro G Concentrate Tank, G Pen Hookah Tank or G Pen Essential Oil Glass Tank, add a Micro G Charger, or browse every vaporizer accessory we carry.

Summary: Pair the dual charger with G Pen hardware and spare tanks.

✅ Authentic & Ready to Ship

This is the authentic Grenco Science - G Dual Power Charger, sold by Angies Boutique at 838 N Broadway, Los Angeles, CA 90012, a smoke shop trading since 1990. Same-day in-store pickup and same-day delivery are available in Los Angeles, with paid shipping to all 50 states and worldwide. Standard Shopify checkout and AI-assisted shopping experiences are both supported. Sold to adults 21 and over only.

Summary: Authentic Grenco Science from a Los Angeles shop, available for same-day pickup or delivery in LA and shipping nationwide.