Weltool INR18-38 18650 3800mAh High Capacity Li-ion Rechargeable Battery – Flat Top

Name: Weltool INR18-38 18650 3800mAh High Capacity Li-ion Rechargeable Battery – Flat Top
Brand: Weltool
Availability: OutOfStock

$12.00

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First listed 3mo ago

About Weltool INR18-38 18650 3800mAh High Capacity Li-ion Rechargeable Battery – Flat Top

The Weltool INR18-38 is a high-capacity 18650 Li-ion rechargeable battery built for performance and reliability. With a 3800mAh capacity, this flat-top cell delivers long runtimes and steady output, making it ideal for high-drain flashlights and other demanding electronics.

Engineered for safety and efficiency, the INR18-38 supports up to 7.6A peak discharge current and can withstand 500+ charge cycles while retaining 70% capacity. Compact and durable, it’s the perfect power source for serious EDC and tactical flashlight users.

Technical Specifications

Feature	Details
Model	INR18-38
Battery Type	18650 Li-ion, Flat Top
Capacity	3800mAh (Typical)
Internal Resistance	≤25mΩ
Nominal Voltage	3.6V
Standard Discharge	3.8A (-20 to 60℃)
Peak Discharge	7.6A (0 to 45℃)
Standard Charging	1.9A (5℃ – 15℃)
Peak Charging	3.8A (15℃ – 45℃)
Overcharge Protection	4.2 ± 0.05V
Over-discharge Protection	2.5 ± 0.1V
Cycle Life	500 cycles (70% capacity retention)
Charging Temp.	0℃ to +45℃
Discharge Temp.	-20℃ to +60℃
Storage Temp.	-20℃ to +40℃ (≤3 months)
Dimensions	18.35 ± 0.2 mm (diameter) × 65.05 ± 0.2 mm (length)
Weight	48 ± 2 g

Key Features

High Capacity: 3800mAh for extended flashlight runtimes
Flat-Top Design: Compatible with most high-drain flashlights and devices
High Discharge Performance: Up to 7.6A peak discharge for powerful output
Durable & Reliable: Retains 70% capacity after 500 charge/discharge cycles
Safe & Efficient: Built with overcharge and over-discharge protection parameters
Compact Power: Lightweight and portable for EDC flashlight users

Specifications

Weight: 85 g
Battery: 18650
Material: Lithium Ion

Specs derived from Weltool INR18-38 18650 3800mAh High Capacity Li-ion Rechargeable Battery – Flat Top listing data — verify critical details with the retailer.

Price history

90-day low: $10.80
All-time low: $10.80

Current price is 11% above the 90-day low.

Based on 2 recorded prices.

Price Comparison by Material

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$12.00

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Frequently asked questions

How much does the Weltool INR18-38 18650 3800mAh High Capacity Li-ion Rechargeable Battery – Flat Top cost?

The Weltool INR18-38 18650 3800mAh High Capacity Li-ion Rechargeable Battery – Flat Top by Weltool is currently priced $12.00 (currently sold out). Drop Beacon tracks live prices so you can find the best deal.

What is the lowest price the Weltool INR18-38 18650 3800mAh High Capacity Li-ion Rechargeable Battery – Flat Top has been?

The lowest price Drop Beacon has tracked for the Weltool INR18-38 18650 3800mAh High Capacity Li-ion Rechargeable Battery – Flat Top is $10.80. Full price history shows whether the current price is a genuine deal.