Overview
LiitoKala Lii-25R-N is a nickel-tab version of the Lii-25R 18650 high-drain lithium-ion rechargeable battery. Designed for professional pack assembly, it offers 2500mAh capacity, 30A discharge, and reliable thermal control for high-power systems such as e-bikes, power tools, and robotics.
Main Features
- Nickel-tab configuration for spot-welding and pack assembly
- High-drain output up to 30A continuous discharge
- Stable 3.7V nominal voltage for consistent energy delivery
- Explosion-proof valve enhances operational safety
- Up to 1000 recharge cycles for long-term durability
- Low internal resistance (≤20mΩ) supports efficient current flow
- Works across wide temperature range from -20°C to 80°C
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LiitoKala |
| Model | Lii-25R-N (INR18650-25R M Nickel) |
| Type | Li-ion 18650 |
| Nominal Capacity | 2500mAh (2450–2650mAh) |
| Nominal Voltage | 3.7V |
| Charging Voltage | 4.2V |
| Working Voltage Range | 2.75–4.2V |
| Continuous Discharge Current | Max 30A |
| Continuous Charge Current | Max 4A |
| Internal Resistance | ≤20mΩ |
| Recharge Cycles | Up to 1000 |
| Operating Temperature | -20°C to 80°C |
| Storage Temperature | Room temperature |
| Size | 66mm x 18.5mm |
| Weight | 46g ±1g |
| Material | Lithium (Nickel-tab version) |
Applications
Primary Uses:
The Lii-25R-N is widely applied in battery packs for e-bikes, scooters, RC models, and power tools, providing strong, stable output and reliable welded connections.
Extended Benefits:
Ideal for solar energy storage, portable power systems, and DIY 18650 packs, where high current performance and durability are essential.
Compatibility / Upgrade:
Perfect for integration with LiitoKala smart chargers and BMS protection modules, offering a dependable upgrade for industrial and hobbyist battery assemblies.
Product FAQ
What is the difference between Lii-25R and Lii-25R-N?
Lii-25R-N includes pre-welded nickel tabs, making it suitable for spot welding into battery packs, while the standard Lii-25R has flat terminals.
Can this cell be used for e-bike battery packs?
Yes, the Lii-25R-N is ideal for e-bike and power tool packs requiring high current and reliable connection.
Is the battery protected?
It is unprotected, designed for systems that already incorporate BMS or other protection circuits.
How many recharge cycles can it achieve?
The battery can reach up to 1000 full recharge cycles under proper charging and storage conditions.
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