SPERAS N48 4800mAh 21700 Rechargeable Lithium Battery
- $19.99
- $19.99
- Unit price
- per
Massive 4800mAh Energy: Packed with a premium 21700 cell that delivers an extended, uncompromising runtime to keep your high-performance gear alive when it matters most.
15A High-Drain Beast: Maintains a rock-solid, consistent 3.6V nominal voltage, custom-engineered to fully unleash the peak burst potential of demanding professional flashlights.
Advanced Safe Shield: Features an integrated, high-precision protection circuit that continuously safeguards against overcharge and over-discharge for ultimate long-term reliability.
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Warranty
Most flashlights can directly get 5 years warranty; battery and accessories get 1 year warranty.
Note
Any questions, please email to info@sperasflashlight.com
Engineered for Safety & High Performance
Reliable & Durable Design
Designed with absolute safety in mind ⚙️, the SPERAS N48 battery features advanced built-in protection circuits that actively defend against overcharge, over-discharge, and short-circuiting. This helps maintain long-term peak performance while safely extending the overall battery lifespan.
Its robust construction greatly improves impact resistance, making it perfectly suitable for extreme environments, heavy-duty professional use, and prolonged outdoor exploration without failure.
Core Advantages
- 🔋 Extended Endurance: A massive 4800mAh high capacity ensures your professional lights run longer.
- ⚡ Consistent Output: Delivers a highly stable 3.6V nominal voltage under load.
- 🛡️ Safer Operations: Integrated PTC and specialized protection boards.
- 🔧 Tough Build: Impact-resistant structural design for field work.
- 🔄 High-Drain Ready: 15A max continuous discharge effortlessly powers 3000+ lumen devices.
Technical Specifications
| Brand / Model | SPERAS / N48 |
| Battery Type | 21700 Rechargeable Li-ion Battery |
| Capacity | 4800 mAh |
| Nominal Voltage | 3.6 V |
| Energy | 17.28 Wh |
| Max Continuous Discharge | 15A |
| Dimensions (Length x Diameter) | 74 mm (+0.3 mm ~ 0.5 mm) × 21.25 mm (+0.1 ~ 0.15 mm) |
| Net Weight / Gross Weight | 70.91 g / 79.52 g |
| Warranty | 1 year (contact us for professional support or replacement) |
Frequently Asked Questions (FAQ) ❓
Why choose a high-drain 21700 battery like the SPERAS N48 over older models?
The 21700 battery format represents a massive leap in energy density. The SPERAS N48 packs a high capacity of 4800mAh, offering significantly longer runtimes than traditional 18650 batteries without adding excessive weight or bulk. This makes it the ultimate power source for extended search operations and wilderness navigation.
What does "15A Max Continuous Discharge" mean for my flashlight?
High-performance flashlights (like those pushing 2000 to 3000+ lumens) require a massive and sudden draw of energy. A 15A discharge rate ensures that the N48 battery can safely and consistently deliver this huge amount of power without overheating, protecting both your equipment and the battery cell itself.
Is the SPERAS N48 battery safe for harsh outdoor environments?
Absolutely. It is engineered with robust structural integrity for impact resistance and features integrated smart protection circuits. These safety features automatically defend against overcharge, over-discharge, and short-circuiting, guaranteeing peace of mind during demanding professional use.
What devices are fully compatible with this battery?
The SPERAS N48 is universally designed for heavy-duty electronics and high-performance SPERAS flashlights that accept standard button-top 21700 lithium-ion cells. It provides the exact voltage and energy stability required for peak optical performance.
| Model | N48 |
|---|---|
| Length | 74 mm |
| Diameter | 21.25 mm |
| Net weight | 70.91 g |
| Gross weight | 79.52 g |
| Battery Type | 21700 |
| Battery Voltage | 3.6V |
| Power | 17.28 Wh |
| battery capacity | 4800 mAh |
| Continue output Current | 15A |
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