USB Li-ion Battery Charger – 2, 3 or 4 Slot Independent Charging for 18650, 18350 & 18500 Batteries

Charge All Your Li-ion Batteries in One Go

Whether you’re powering flashlights, vapes, RC devices, or any other Li-ion gear, this portable USB battery charger handles 18650, 18350, and 18500 cells with ease. Available in 2, 3, or 4-slot configurations with independent charging channels — each slot charges at its own rate so you can mix and match batteries without slowing anything down.

Key Benefits

• Independent Charging Channels — Each slot charges separately at 4.2V, so inserting one battery doesn’t affect the others
• Wide Battery Compatibility — Fits 18650, 18350, and 18500 Li-ion rechargeable cells
• USB Powered — Charges via any standard USB source (5–20V DC input); works with power banks, wall adapters, and car chargers
• Portable & Compact — Lightweight design fits easily in a bag, range bag, or gear kit
• Choose Your Capacity — Available in 2-port, 3-port, or 4-port versions to match your battery count

Keep your flashlight batteries, EDC gear, and hobby devices topped up and ready to go. The independent channel design means you can charge a single cell or fill all slots simultaneously — no waiting, no wasted time.

Frequently Asked Questions

Q: What battery sizes does it support?
A: 18650, 18350, and 18500 Li-ion rechargeable batteries.

Q: Does each slot charge independently?
A: Yes — each slot has its own independent charging circuit at 4.2V, so batteries charge at their own rate regardless of what’s in the other slots.

Q: What power source does it use?
A: USB input (5–20V DC), compatible with wall adapters, power banks, and USB car chargers.

Q: Which version should I choose?
A: Choose 2-port for minimal carry, 3-port for a balance of size and capacity, or 4-port if you regularly run multiple batteries.

Q: Does it have overcharge protection?
A: It charges to 4.2V per cell and stops — standard Li-ion termination voltage to prevent overcharging.

SPECIFICATIONS

Type: USB Li-ion Battery Charger
Charging Voltage: 4.2V per slot
Compatible Batteries: 18650, 18350, 18500
Slots Available: 2-port / 3-port / 4-port
Input Voltage: USB (5–20V DC)
Output Power: ≤37.5W
Independent Channels: Yes
Display Screen: No
Quick Charge: No
Data Transmission: No
Origin: Mainland China
Product Weight: 0.17 lbs / 0.077 kg