Description
Description
The Nitecore NL1823 18650 Rechargeable Battery is a high-performance, protected lithium-ion battery designed for flashlights, headlamps, and other portable devices requiring reliable power. With a nominal voltage of 3.7 V and a capacity of 2300 mAh, it delivers stable energy for extended use. The built-in protection circuitry safeguards against overcharge, over-discharge, and short circuits, making it a safe choice for everyday use. Compact yet powerful, the NL1823 is compatible with a wide range of Nitecore smart chargers and fits most devices that accept protected 18650 cells. Its robust design ensures long-lasting performance and consistent reliability for both casual users and enthusiasts.
Tech Specs
| Brand / Model | Nitecore NL1823 |
| Battery Type | Lithium-ion, protected |
| Nominal Voltage | 3.7 V |
| Capacity | Approx. 2300 mAh |
| Energy | ~8.5 Wh |
| Dimensions | Approx. 18.6 × 70 mm (diameter × length) |
| Weight | Approx. 46 g |
| Protection | Overcharge, over-discharge, short-circuit protection (PCB) |
| Compatible Chargers | Nitecore i2, i4, D2, D4, UM2, UM4 and other 18650-compatible smart chargers |
| Button Top | Yes |
| Warranty Terms: | No Warranty – replacement available if battery is defective upon delivery. |
★ ★ ★ ★ ★ 4.7 out of 5 “This battery lasts a long time and works perfectly with my Nitecore flashlight. I like that it’s protected, so I don’t worry about overcharging. Compact and reliable — exactly what I needed.” — Verified user