Nitecore NL1840 4000mAh 18650 Li-ion Rechargeable Battery
Original price was: $46.95.$34.95Current price is: $34.95.
• 4000mAh high capacity
• 18650 Li-ion rechargeable
• 14.4Wh energy output
• Built-in safety protection
Out of stock
Email when stock available
The Nitecore NL1840 is a high-capacity 18650 Li-ion rechargeable battery engineered for reliable, long-lasting performance in flashlights, headlamps, and other professional-grade devices. With its impressive 4000mAh capacity, it delivers powerful output and extended runtime, making it perfect for tactical, outdoor, and industrial use across Australia.
High Capacity and Endurance
Boasting a 4000mAh / 3.6V (14.4Wh) rating, the NL1840 offers outstanding runtime and stable energy delivery—ideal for high-drain flashlights and advanced electronic gear.
Premium Construction
Built to Nitecore’s strict quality standards, the NL1840 utilises durable materials and precise engineering for long-term reliability. Its design ensures consistent performance under demanding conditions such as heat, dust, and vibration.
Safety and Reliability
Integrated protection features help safeguard against overcharge, over-discharge, and short-circuiting. Each battery is rigorously tested for performance and stability, ensuring complete user safety in tactical or field environments.
Long-Term Value
Designed for efficiency and sustainability, the NL1840 supports hundreds of recharge cycles, offering long-term savings and reducing environmental waste.
From outdoor professionals to emergency personnel, the Nitecore NL1840 provides dependable, high-capacity power you can count on in the harshest Australian conditions.
| Battery Type | 18650 Li-ion Rechargeable |
|---|---|
| Capacity (mAh) | 4000mAh / 3.6V (14.4Wh) |
| Dimensions | Diameter: 18.6mm ±0.3mm / Length: 69.8mm ±0.3mm |
| Weight | 50g |
• 1 × Nitecore NL1840 4000mAh Li-ion Rechargeable Battery
6 reviews for Nitecore NL1840 4000mAh 18650 Li-ion Rechargeable Battery
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Gareth Grant (verified owner) –
Powerful battery. Very reliable.
Rick (verified owner) –
Great product.
Chris S. (verified owner) –
Phillip M. (verified owner) –
Josh Bush (verified owner) –
Spot on for what I needed and good service and quick delivery
Nigel C. (verified owner) –
Batteries arrived fast. Great quality.