Section 1: Overview & Value Proposition

XTAR 21700 3.6V 6000mAh Ultra-High Capacity Protected Li-ion Battery

Engineered for next-generation illumination devices, tactical outdoor gear, and specialized portable equipment, this battery features an industry-leading true 6000mAh capacity. With a 10A continuous discharge current and an integrated internal safety protection board (PCB), it offers up to +20% more runtime, 600+ durable cycles, and maximum power consistency for global wholesalers and OEM/ODM partners.

Section 2: Technical Specifications Table

Section 3: Key Features & Engineering Highlights

Breakthrough 6000mAh Capacity (+20% Extended Runtime)

Delivers a substantial leap in runtime compared to standard 5000mAh 21700 cells. In high-drain illumination, it extends operating endurance by +55 to +106 minutes, reducing battery replacement frequency in critical field operations.

10A Continuous High Drain with Minimal Voltage Sag

Internal impedance is optimized to prevent overheating and voltage drop under constant 10A draw, ensuring consistent lumen output and motor efficiency.

Built-in Safety Guardian (Intelligent Protective PCB)

Engineered with an ultra-thin integrated protection board located on the cell body:

• Over-Charge Protection: Prevents cell swelling and thermal runaway.

• Over-Discharge Protection: Shuts off power before deep-discharge damage occurs.

• Short-Circuit Protection: Instant cut-off in abnormal short-circuit events.

• Low Heat Loss: Optimized layout ensures lower working temperatures and maximized lifespan.

600+ Deep Charge-Discharge Cycles

Retains strong capacity retention after hundreds of complete charge cycles, dramatically cutting long-term replacement costs for device users.

One-Stop Charging Integration (3A Fast Charge)

Fully compatible with XTAR smart fast chargers (e.g., VC4SL, VC8 Plus). Supporting up to 3A charging current, this massive 6000mAh battery can reach full power in approximately 2.85 hours.

Section 4: Target Applications

Why Use This Battery?

For Wholesale Distributors & Retailers

• High Market Differentiation: The 6000mAh capacity stands out prominently against common 5000mAh cells on retail shelves and Amazon/eBay listings, commanding higher margins.

• Zero After-Sales Headaches: Built-in multi-protection PCB prevents accidental short circuits or user misoperations, drastically reducing warranty return rates.

• Retail-Ready Packaging Available: Supplied in durable single transparent protective storage cases or retail hanging color boxes ready for instant merchandising.

For OEM / ODM Device Manufacturers

Instant Device Performance Upgrade: Upgrading to 6000mAh gives your finished equipment an immediate +20% runtime advantage over competitors without redesigning your device's 21700 battery compartment.

• Full Pack & Hardware Customization: We provide customized nickel tabs, solder leads, JST/Molex connectors, and shrink sleeve design according to your mechanical drawings.

• Strict Batch Uniformity: Every cell is automatically graded by voltage, internal resistance, and actual capacity before assembly, ensuring seamless performance when cells are assembled into battery packs.