Overview
The LiitoKala LT20A 18650 2000mAh is a high-quality low-temperature Li-ion rechargeable cell engineered for stable output and reliable performance in extreme cold. Operating from −40°C to +60°C, it delivers consistent 3.7V power and up to 10A discharge current, ideal for outdoor and industrial energy applications.
Main Features
- 3.7V nominal voltage with 4.2V full charge and 2.5V cutoff
- Low-temperature performance down to −40°C
- High 5C discharge rate (10A max) for high-drain equipment
- 1100 recharge cycles with stable capacity retention
- Internal resistance <26mΩ for high efficiency
- Customizable terminals: Nickel, Pointed, or PCB options
- Compatible with LiitoKala smart chargers and protection modules
- Compact standard 18650 size, lightweight and durable
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LiitoKala |
| Model | LT20A |
| Type | Li-ion 18650 |
| Nominal Voltage | 3.7V |
| Capacity | 2000mAh |
| Charge Voltage | 4.2V |
| Discharge Cut-off Voltage | 2.5V |
| Internal Resistance | <26mΩ |
| Maximum Charge Current | 2A |
| Maximum Discharge Current | 10A (5C) |
| Operating Temperature (Discharge) | −40°C to +60°C |
| Operating Temperature (Charge) | 0°C to +60°C |
| Recharge Cycles | 1100 times |
| Size | 18.6 × 65.5 ±0.1mm |
| Weight | 42g ±1g |
| Optional Versions | Nickel / Pointed / PCB |
| Packaging | 400pcs/box (42.5 × 22 × 16cm) |
Applications
Primary Uses
Optimized for flashlights, headlamps, cameras, and outdoor instruments requiring consistent energy in sub-zero conditions.
Extended Benefits
Widely used in portable lighting systems, cold-region power tools, and backup power modules, where traditional batteries fail under freezing temperatures.
Compatibility / Upgrade
Compatible with LiitoKala chargers and 18650 BMS systems, making it suitable for DIY battery packs, solar devices, and outdoor electronics.
Product FAQ
Can the LT20A battery operate in freezing conditions?
Yes, it is designed to perform reliably at temperatures as low as −40°C, ideal for outdoor and cold-environment use.
What is the maximum continuous discharge current?
The LT20A supports up to 10A (5C) discharge for high-drain devices.
What charger should be used with this battery?
Use a LiitoKala Li-ion smart charger rated for 18650 cells with a maximum charge current of 2A.
Is it available in different terminal types?
Yes, it can be customized with Nickel strips, Pointed tops, or PCB protection boards for varied applications.
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