ShenZhen XTAR Electronics Co., Ltd
| Delivery Time | 7-30 Days |
| Operating Temperature | Extreme Temperature: -20°C to 60°C Discharge |
| Supply Ability | 150000pcs/months |
| Business Type | Original Battery Factory / OEM & ODM Manufacturer |
| Continuous Discharge | 10A Continuous High Drain (Stable Discharge Profile Under Load) |
| Cycle Life & Reliability | 600+ Full Cycles; 100% Impedance & Capacity Sorting |
| Payment Terms | T/T |
| Nominal Capacity & Energy | Ultra-High 6000mAh / 21.6Wh (+20% Extended Device Runtime) |
| Fast Charging Capability | Supports 3A Fast Charge |
| Protection Circuit | Built-in Intelligent PCM (Over-Charge, Over-Discharge, Short-Circuit |
| Packaging Details | Color box+battery box |
| Place of Origin | China |
| Model Number | 21700 6000mAh |
| Certification | CE,IEC,MSDS,UN 38.3 |
| Brand Name | XTAR |
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Product Specification
| Delivery Time | 7-30 Days | Operating Temperature | Extreme Temperature: -20°C to 60°C Discharge |
| Supply Ability | 150000pcs/months | Business Type | Original Battery Factory / OEM & ODM Manufacturer |
| Continuous Discharge | 10A Continuous High Drain (Stable Discharge Profile Under Load) | Cycle Life & Reliability | 600+ Full Cycles; 100% Impedance & Capacity Sorting |
| Payment Terms | T/T | Nominal Capacity & Energy | Ultra-High 6000mAh / 21.6Wh (+20% Extended Device Runtime) |
| Fast Charging Capability | Supports 3A Fast Charge | Protection Circuit | Built-in Intelligent PCM (Over-Charge, Over-Discharge, Short-Circuit |
| Packaging Details | Color box+battery box | Place of Origin | China |
| Model Number | 21700 6000mAh | Certification | CE,IEC,MSDS,UN 38.3 |
| Brand Name | XTAR | ||
| High Light | XTAR 21700 6000mAh Li-ion Battery ，Protected 21700 Lithium Ion Cell ，Custom OEM ODM 21700 Battery | ||
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
| Parameter | Specification | Remarks / Conditions |
|---|---|---|
| Battery Model | 21700 Rechargeable Li-ion Battery | Cylindrical Cell |
| Nominal Capacity | 6000mAh | Tested at 20±5°C, high capacity cell |
| Nominal Voltage | 3.6V (Energy: ~21.6Wh) | Stable linear discharge platform |
| Max Continuous Discharge Current | 10A | Continuous high-power output |
| Standard Charging Voltage | 4.2V ± 0.03V | Constant Voltage Cut-off |
| Standard / Max Charging Current | 3.0A (Supports 3A Fast Charge) | Fully charged in ~2.85 hrs |
| Operating Temperature | -20°C to 60°C | Suitable for extreme environments |
| Storage Temperature | -5°C to 35°C (Recommended $\le$ 25°C) | Low self-discharge rate |
| Cycle Life | $\ge$ 600+ Full Cycles | Eco-friendly & cost saving |
| Protection Board (PCM/PCB) | Yes (Built-in) | Over-charge, Over-discharge, Short-circuit |
| Positive Terminal | Button Top | Broad compatibility across devices |
| Dimensions (mm) | $\Phi 21.8 \pm 0.3 \times 75.2 \pm 0.5$ mm | With integrated protection circuit |
| Net Weight | $\approx$ 76g | High gravimetric energy density |
| Compliance & Safety | CE, RoHS, UN38.3, MSDS Available | International shipping certified |
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.
We support international wholesalers, brand importers, and cross-border e-commerce sellers with complete supply chain solutions:
As a direct manufacturer, we eliminate supply chain uncertainties by taking full control of the production line:
Upgrade your product catalog with factory-guaranteed 1.5V USB-C lithium batteries. Contact our B2B sales team today for volume pricing, OEM customization details, and sample requests.
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
20000000$-30000000$
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Shenzhen Xtar Electronics Co., Ltd., a combined enterprise located in Shenzhen, Guangdong, specializes in the R&D and manufacturing of high-quality lithium-ion batteries and smart chargers, With an in‑depth presence across various industrial application scenarios, the company provides customer... Shenzhen Xtar Electronics Co., Ltd., a combined enterprise located in Shenzhen, Guangdong, specializes in the R&D and manufacturing of high-quality lithium-ion batteries and smart chargers, With an in‑depth presence across various industrial application scenarios, the company provides customer...
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