Technical insight
Product and application details
Handheld Industrial Scanners
Its lightweight design reduces operator fatigue during extended scanning shifts in busy warehouses.
Video Surveillance
Long cycle life ensures continuous operation for outdoor cameras without frequent maintenance replacements.
Medical Devices
Stable 12V output provides safe, consistent power for critical portable diagnostic equipment.
Solar System
High cycle life supports daily charge-discharge cycles in off-grid solar energy setups.
Energy Storage
9Ah capacity offers sufficient backup energy for small-scale residential storage applications.
Motorcycles
Lightweight LiFePO4 chemistry reduces overall vehicle weight for improved handling and efficiency.
Security
Reliable deep-cycle performance maintains alarm system readiness during prolonged power outages.
Emergency Power Backup & UPS
Rapid discharge capability delivers immediate power during sudden grid failures for critical systems.
VTC POWER CO., LTD 12.8V 9Ah LiFePO4 Battery The drop-in replacement that weighs 1/3 of lead-acid, lasts 8× longer, and never compromises on safety. Model VTC-4F9 — engineered for energy storage and light motive power applications where reliability and low total cost of ownership matter most. Why Choose LiFePO4? At just 1.0 kg, this battery is roughly one-third the weight of a comparable lead-acid unit — and it delivers over 3,000 cycles at 100% DOD , outperforming lead-acid by 8 times. That means fewer replacements, lower labor costs, and dramatically reduced total cost of ownership. Built with a wide operating
12.8V 9Ah LiFePO4 Battery
The drop-in replacement that weighs 1/3 of lead-acid, lasts 8× longer, and never compromises on safety. Model VTC-4F9 — engineered for energy storage and light motive power applications where reliability and low total cost of ownership matter most.
Why Choose LiFePO4?
At just 1.0 kg, this battery is roughly one-third the weight of a comparable lead-acid unit — and it delivers over 3,000 cycles at 100% DOD, outperforming lead-acid by 8 times. That means fewer replacements, lower labor costs, and dramatically reduced total cost of ownership.
Built with a wide operating temperature range and superior thermal stability, it is designed to perform where other batteries fail. No explosion risk under extreme conditions, zero maintenance required, and fully eco-friendly — the smart choice for long-term deployments.
| 1/3 Weight | 3,000+ Cycles | Wide Temp Range | Explosion-Proof | Zero Maintenance |
Complete Specifications
| Nominal Voltage | 12.8V |
| Nominal Capacity | 9Ah |
| Energy | 115.2Wh |
| Efficiency | 99% |
| Self Discharge | <2% per Month |
| Maximum Continuous Discharge Current | 9A |
| Peak Discharge Current | 14A (≤5s) |
| BMS Discharge Current Cut-Off | 80A ± 5A |
| Discharge Cut-Off Voltage | 8V |
| BMS Discharge Voltage Cut-Off | 8V (2.0 ± 0.08 vpc) |
| Maximum Charge Current | 9A |
| Recommended Charge Current | 0.7A – 4.5A |
| Recommended Charge Voltage | 14.6V |
| BMS Charge Voltage Cut-Off | 15.6V (3.90 ± 0.025V) |
| Charge Reconnect Voltage | 15.2V (3.8 ± 0.1 vpc) |
| Discharge Reconnect Voltage | 10V (2.5 ± 0.1 vpc) |
| Maximum Modules in Series | 4 |
| Charge Temperature | 0 to 45°C |
| Discharge Temperature | -20 to 60°C |
| Storage Temperature | -5 to 35°C |
| BMS High Temperature Cut-Off | 80 ± 5°C |
| BMS High Temperature Reconnect | 55 ± 15°C |
| Dimensions (L × W × H/TH) | 151 × 65 × 94/100 mm |
| Weight | 1.0 Kg |
| Terminal Type | T1 |
| Case Material | ABS |
| Enclosure Protection | IP56 |
| Outer Carton Size | 380 × 180 × 235 mm |
| Package | 10 pcs/Ctn, 600 pcs/Tray, 6000 pcs/20GP |
Proven Across Industries
From solar and wind energy storage to generator backup, golf carts, floor-cleaning machines, and light electric vehicles — wherever cycle life, weight savings, and day-to-day reliability are critical, this 12.8V 9Ah LiFePO4 battery delivers a compelling upgrade over lead-acid.
Supports up to 4 units in series for higher voltage needs. Housed in a rugged ABS enclosure with an IP56 rating, it stands up to dust, moisture, and harsh working environments — so you can deploy it with confidence.
Ready to Power Your Next Project?
As a leading battery manufacturer with 20+ years of experience, VTC POWER (VTCBATT) delivers custom lithium battery solutions tailored to your exact specifications — voltage, capacity, size, and BMS can all be customized to fit your application.
From prototype to mass production, we provide full certifications (UL, CE, UN38.3, RoHS), low MOQ, and 7–10 day fast delivery. Contact us today for a free quote and let us build the perfect battery for you.
