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USB-C Rechargeable
21700
Li-ion Battery
5500mAh
High Capacity
500+
Cycle Life
15A
Max Discharge
Reliable High-Current Performance
Up to 15A discharge capability delivers strong power output, while 12A continuous discharge ensures reliable long-term performance.
Charge Anywhere
with USB-C
Whether at home, in the office, in the car, or outdoors, a standard USB-C cable is all you need to recharge the battery and stay powered on the go
WALL CHARGER
CAR CHARGER
LAPTOP
POWER BANK
Ready to Go in About 3.2 Hours
Recharge the battery in approximately 3.2 hours, reducing downtime so your device is ready to use sooner
Charging
Flash green
Fully Charged
Solid green
Smarter Charging, Longer Battery Life
Intelligent 3-Stage Charging
The intelligent 3-stage charging algorithm optimizes every charging phase to help maintain battery health and support long-term performance.
Auto Reactivation
If the battery enters over-discharge protection, it will automatically reactivate and resume charging when connected to a power source.
Go Further on Every Charge
5500mAh high-capacity cell provides longer runtime for your devices while reducing the need for frequent recharging and battery replacement
Recharge More, Replace Less
Supports over 500 recharge cycles, reducing battery waste while delivering long-lasting value
Ready for Every Environment
Operates reliably across a wide temperature range of -20°C to 60°C, making it suitable for a variety of demanding applications
All-Round Safety Protection
The smart chip monitors battery performance in real time and provides multiple protection systems to reduce risks, ensuring safe and reliable use every time
Overcharge
Protection
Over-discharge
Protection
Overcurrent
Protection
Short-Circuit
Protection
One Battery, Multiple Uses
Designed to work with various 21700-compatible devices, delivering flexible power solutions for different usage scenarios
Diving Lights
Headlamps
Tactical Flashlights
Portable Fan
Specifications
Model
21700 5500mAh USB-C
Nominal Capacity
5500mAh
Nominal Voltage
3.6V
Max Discharge Current
15A
Max Continuous Discharge Current
12A
Standard Charging Voltage
4.2±0.03V
Standard Charging Current
2.75A
Operating Temp.
-20~60℃
Storage Temp.
-20~45℃（Recommended ≤25±5℃）
Cycle Life
500+
Protected
Yes
Positive Terminal
Button Top
Dimensions(mm)
Φ21.5±0.3*76.5±0.5
Net Weight(g)
About 75
Package
USB-C Rechargeable
21700
Li-ion Battery
5500mAh
High Capacity
500+
Cycles Life
15A
Max Discharge
Reliable High-Current
Performance
Up to 15A discharge capability delivers strong power output, while 12A continuous discharge ensures reliable long-term performance
Charge Anywhere
with USB-C
Whether at home, in the office, in the car, or outdoors, a standard USB-C cable is all you need to recharge the battery and stay powered on the go
WALL CHARGER
CAR CHARGER
LAPTOP
POWER BANK
Ready to Go
in About 3.2 Hours
Recharge the battery in approximately 3.2 hours, reducing downtime so your device is ready to use sooner
Charging
Flash green
Fully charged
Solid green
Smarter Charging
Longer Battery Life
Intelligent 3-Stage Charging
The intelligent 3-stage charging algorithm optimizes every charging phase to help maintain battery health and support long-term performance.
Auto Reactivation
If the battery enters over-discharge protection, it will automatically reactivate and resume charging when connected to a power source.
Go Further
on Every Charge
5500mAh high-capacity cell provides longer runtime for your devices while reducing the need for frequent recharging and battery replacement
Recharge More
Replace Less
Supports over 500 recharge cycles, reducing battery waste while delivering long-lasting value
Ready for
Every Environment
Operates reliably across a wide temperature range of -20°C to 60°C, making it suitable for a variety of demanding applications
All-Round Safety Protection
The smart chip monitors battery performance in real time and provides multiple protection systems to reduce risks, ensuring safe and reliable use every time
Overcharge
Protection
Over-discharge
Protection
Overcurrent
Protection
Short-Circuit
Protection
One Battery, Multiple Uses
Designed to work with various 21700-compatible devices, delivering flexible power solutions for different usage scenarios
Diving Lights
Headlamps
Tactical Flashlights
Portable Fan
Specifications
Model
21700 5500mAh USB-C
Nominal Capacity
5500mAh
Nominal Voltage
3.6V
Max Discharge Current
15A
Max Continuous Discharge
12A
Standard Charging Voltage
4.2 ± 0.03V
Standard Charging Current
2.75A
Operating Temp.
-20~60℃
Storage Temp.
-20~45℃
Cycle Life
500+
Protected
Yes
Positive Terminal
Button Top
Dimensions(mm)
Φ21.5±0.3*76.5±0.5
Net Weight(g)
About 75
Package
