Overview
The LiitoKala King6000 is a 21700-size Li-ion rechargeable battery delivering 6000mAh capacity and stable 3.7V nominal voltage. Designed for high-energy applications, it provides long-lasting performance, low heat generation, and consistent discharge, making it suitable for professional and consumer-grade electronics.
Main Features
- 6000mAh ultra-high capacity for maximum runtime
- Low internal resistance (≤25mΩ) ensures high efficiency and minimal power loss
- Rechargeable up to 1000 cycles, extending battery lifespan and reducing waste
- Wide operating voltage (2.75V–4.2V) for stable and flexible use
- Built-in explosion-proof safety valve for reliable operation and safety assurance
- Customizable with Nickel strips, Button-top, or PCB protection
- Compatible with a wide range of 21700 Li-ion devices and LiitoKala chargers
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | LiitoKala |
| Model | King6000 |
| Type | Li-ion 21700 Rechargeable Cell |
| Rated Voltage | 3.7V |
| Capacity | 6000mAh |
| Charge Voltage | 4.2V |
| Working Voltage | 2.75–4.2V |
| Internal Resistance | ≤25mΩ |
| Recharge Cycles | Up to 1000 |
| Size | 21.5 × 70.5mm |
| Weight | 70g ±1g |
| Protected | Optional (PCB available) |
| Shell | Explosion-proof metal casing |
| Operating Temperature | -20°C to +60°C |
| Packaging | 200pcs/box (48 × 26 × 10.5cm) |
Applications
Primary Uses:
The King6000 powers flashlights, e-bikes, power tools, and high-capacity power banks, offering exceptional endurance and output stability.
Extended Benefits:
Suitable for massagers, medical devices, and portable electronic tools, delivering long-term power for both indoor and outdoor environments.
Compatibility / Upgrade:
Compatible with most 21700 battery devices and LiitoKala smart chargers such as Lii-100, Lii-402, and Lii-500. Custom configurations available (Nickel, Pointed, or PCB) to meet specialized application needs.
Product FAQ
What is the actual capacity of the King6000?
The King6000 provides a nominal capacity of 6000mAh, tested between 5800–6000mAh under standard conditions.
Is this a protected battery?
The standard version is unprotected, but PCB-protected models are available for added safety.
What devices is this battery suitable for?
It is ideal for flashlights, e-bikes, power tools, and high-drain devices that require stable 3.7V output.
Does it include safety features?
Yes, it features an explosion-proof valve and low internal resistance design for enhanced safety and durability.
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