20V 8Ah Lithium-ion Battery
B80X2
(5.0)Power your tools longer and stronger with the SENIX 20V 8.0Ah Lithium-Ion Battery — engineered for exceptional endurance, fast charging, and maximum protection in any working condition.
Charger | Battery(Ah) | ||||||
B20X2 | B25X2 | B40X2 | B50X2 | B60X2 | B80X2 | ||
（18650） | （18650） | （18650） | （18650） | （21700） | （21700） | ||
CHX2-L1-EU | 80min | 95min | 160min | 190min | 250min | 330min | |
CHX2 | 65min | 85min | 135min | 160min | 195min | 260min | |
CHQX2 | 35min | 45min | 65min | 85min | 105min | 140min | |
CHQX2-M-EU | 35min | 45min | 50min | 60min | 75min | 100min | |
Charging two batteries at the same time | CHDX2-M-EU | 80min | 95min | 100min | 140min | 155min | 195min |
6.0A Dual-port charger-- Charging only one battery | 40min | 50min | 55min | 70min | 85min | 110min | |
Note: The battery pack charging time error is ±5min | |||||||
KEY FEATURES
High Capacity 8.0Ah Power – Extended runtime for intensive, professional-grade applications.
Enhanced Lithium-Ion Cells – Improved efficiency during both use and charging.
Reinforced Shock-Resistant Shell – Durable housing with rubber bumpers for superior impact protection.
LED Charge Level Indicator – Instantly view remaining power status.
Temperature Protection – Prevents overheating or cold-related performance loss.
Voltage Protection System – Extends overall battery life and ensures stable operation.
Full Compatibility – Works seamlessly with all SENIX X2 18V and 2X2 36V cordless tools.
TECHNICAL PARAMETERS
Model | B80X2 |
Voltage | 20V Max |
Battery Type | Lithium-ion |
Rated Capacity | 8Ah/144Wh |
Machine Weight | 1.1kg |
Series-parallel system | 5S2P |
Cell Type | 21700 |
Recommended Ambient Temperature for Charging | 41°F~104°F(5°C~40°C) |
Optimum Storage Temperature in use | 50°F~80°F(10°C~26°C) |
Certification | UN38.3,UL 2595 |
Machine Size | 142.5*85*82.2mm |
SUPPORT
Product Overview
The SENIX 20V 8.0Ah Lithium-Ion Battery delivers outstanding runtime and reliability for demanding users. Built with enhanced lithium-ion cells, it ensures efficient energy use and faster charging performance. The reinforced housing with rubber bumpers provides excellent impact resistance, while multiple intelligent protections — including temperature and voltage safeguards — keep the battery operating safely and extend its lifespan. Convenient LED indicators allow quick charge-level checks, ensuring you always know when it’s ready to power up. Compatible with all SENIX X2 cordless tools, this high-capacity battery is designed to keep you working efficiently and confidently on any project.
Usage Scenarios
Compatible with all SENIX X2 Cordless tools.
Unrecommended Conditions
Do not expose the battery to water, heavy rain, or extremely humid environments.
Avoid charging or using the battery outside the recommended range (41°F–104°F / 5°C–40°C).
Do not store in temperatures above 80°F (26°C) or below freezing for long periods.
Not suitable for heavy-duty equipment requiring higher-capacity batteries.
Warranty Information
We offer a comprehensive warranty policy tailored to the specific requirements of different countries and regions. Our warranty coverage is designed to ensure customer satisfaction and product reliability across all markets. For detailed information regarding the terms, duration, and service procedures applicable in your location, please get in touch with us directly. Our team will provide you with a complete warranty illustration and support as needed.
FREQUENTLY ASKED QUESTIONS
Q1: Can I use this battery in cold or hot environments?
Yes, the battery features Temperature Protection, which automatically prevents operation if the temperature is too high or too low to ensure safe performance and prevent damage.
Q2: How can I check the remaining charge level?
Simply press the LED charge level button on the front of the battery. The indicator lights will instantly show the current power level.
Q3: Does the battery have overcharge or over-discharge protection?
Absolutely. The Voltage Protection System helps prevent overcharging and deep discharging, extending the battery’s lifespan and maintaining performance.
Q4: How long does the battery last per charge?
Runtime depends on the tool type and workload. However, the 8.0Ah capacity offers significantly longer runtime compared to standard 2.0Ah or 4.0Ah batteries — ideal for professional, continuous tasks.
Q5: How should I store the battery when not in use?
Store it in a cool, dry place away from direct sunlight. If not used for an extended period, keep it at around 50% charge to maintain optimal battery health.
