Proven Manufacturing Strength
Backed by 16+ years of lithium battery expertise, 30 automated production lines, and 500+ skilled employees, Robur guarantees consistent quality and large-scale capacity for every 12V battery.
Leading 12V Lithium Battery
Manufacturer in China Since 2006
12V LiFePO4 Lithium Battery Systems – Compact Power for Engine Start & Auxiliary Energy
Reliable 12V Lithium Solutions for Starting Batteries, Backup Systems, and Low-Voltage Equipment
Robur Battery designs compact and durable 12V LiFePO4 batteries ideal for engine starting, backup power, RV house batteries, marine electronics, and portable energy systems.
These batteries offer lightweight construction, stable output, and superior cold-cranking performance compared to lead-acid alternatives—ensuring reliability even in demanding environments.
Built with automotive-grade cells and advanced BMS protection, each unit supports over 3000 cycles and fast recharge capability, delivering dependable 12V power for auxiliary and off-grid applications.
Product
What 12V Lithium Battery We Can Offer You
Didn't Find The Battery Parameters Suit You?Dodn't Worry!
12V Lithium Battery (LiFePO4) — Compact Power for Engine Start, Auxiliary Power & Low-Voltage Storage
Robur’s 12V LiFePO4 batteries (4S, nominal 12.8V) deliver safe, lightweight and long-life power for engine start assist, RV house loads, marine electronics, portable power and small off-grid storage. Compared with lead-acid, they recharge faster, provide stable voltage under load, and offer 3000–5000+ cycles with virtually no maintenance.
Each pack integrates automotive-grade BMS and can be customized in capacity, casing, terminals and data communication to fit your program’s electrical and mechanical envelope.
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Electrical Specifications (12V 100Ah Example) |
Item | Specification |
| Chemistry | LiFePO4 (4S) | |
| Nominal Voltage | 12.8 V | |
| Nominal Capacity | 100 Ah (20/50/80/120 Ah optional) | |
| Energy | 1.28 kWh | |
| Internal Resistance | ≤ 25 mΩ (25°C, fully charged) | |
| Continuous Discharge Current | 100 A (customizable 150–200 A for start assist) | |
| Peak Discharge Current | 300–600 A @ 3–5 s (project dependent) | |
| Continuous Charge Current | 50 A (≤0.5C recommended) | |
| Charge Cut-off Voltage | 14.6 V ± 0.1 V | |
| Discharge Cut-off Voltage | 10.0–10.8 V (configurable via BMS) | |
| Parallel / Series | Parallel ≤ 4 units; series up to 4 units (48V) upon approval | |
| Self-Discharge | ≤ 2% per month (25°C) | |
| BMS & Communication | Item | Specification |
| Protections | OVP/UVP, OCP, SCP, OTP/LTP, short-term crank support optional | |
| Balancing | Passive (active optional for high current) | |
| Communication | CAN / RS485 / Bluetooth (SOC, SOH, event log) | |
| Data Functions | Voltage, current, temperature, cycle count, start-assist counter | |
| Mechanical & Interface | Item | Specification |
| Enclosure | ABS / steel / aluminum; low-temp self-heating optional | |
| Ingress Protection | IP54 standard, IP65 optional (marine) | |
| Size & Weight | Custom; 12V100Ah approx. 10–12 kg | |
| Terminals | M8 posts, automotive posts (SAE), Anderson or custom | |
| Mounting | Handles / brackets optional | |
| Environmental & Lifetime | Item | Specification |
| Cycle Life | 3000–5000+ cycles (80% DOD, 25°C, 0.5C) | |
| Discharge Temperature | -20 ~ 60°C | |
| Charge Temperature | 0 ~ 55°C (self-heating enables -20°C charging) | |
| Storage Temperature | -20 ~ 45°C (recommend 10–35°C) | |
| Humidity | ≤ 95% RH, non-condensing | |
| Cooling | Natural convection | |
| Charging Solutions | Item | Specification |
| Charger | 14.6V lithium charger; DC-DC/alternator integration optional | |
| Strategy | 0.2–0.5C standard; opportunity charging supported | |
| Swapping / Onboard | Quick-swap cases / onboard charger optional | |
| Reliability Tests & Compliance | Category | Notes |
| Transport | UN38.3 (T1–T8) | |
| Safety / Performance | IEC 62133-2 (cell); UL 1973 optional | |
| EMC / Regulations | CE (EMC/LVD), RoHS/REACH | |
| Protection | IP54/IP65 | |
| Mechanical | IEC 60068 vibration & shock | |
| Environmental | Temperature cycling; salt spray optional | |
| Quality | 100% EOL test, aging test, barcode traceability | |
| Typical Capacity Options | Model | Specification |
| 12V 20Ah | 12.8V / 20Ah / 256 Wh / 20A cont. / 60A peak / Fish finder, UPS | |
| 12V 50Ah | 12.8V / 50Ah / 640 Wh / 50A cont. / 150A peak / RV aux loads | |
| 12V 100Ah | 12.8V / 100Ah / 1.28 kWh / 100A cont. / 300A peak / Marine, RV | |
| 12V 120Ah | 12.8V / 120Ah / 1.54 kWh / 120A cont. / 360A peak / Off-grid | |
| Services & Support | Item | Specification |
| Engineering Support | Voltage/capacity/casing/BMS fully customizable | |
| Monitoring | Bluetooth/4G app, fleet health dashboard optional | |
| Warranty | Long-term warranty (configurable), global logistics | |
| Documentation | Datasheets, wiring, MSDS, test & certification reports | |
Golf Cart Battery
Power your golf carts with long-lasting lithium batteries that deliver consistent performance across 18 holes and beyond. With fast charging and lightweight design, your fleet stays ready for players all day.
Versatility in Application
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Golf Cart
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Industrial Vehicle
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Marine
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RV / Camper
Custom 12V Lithium Battery Solutions for Your Application
Every application requires dependable low-voltage power. Robur’s 12V lithium batteries are engineered for engine start assist, backup energy, portable power, and small off-grid storage—delivering lightweight construction, long lifespan, and enhanced safety compared with lead-acid alternatives.
- •Key Customization Options
- •Voltage & Capacity → 12V platform with 20Ah–120Ah capacity options for auxiliary and starting applications.
- •Enclosure & Size → Compact ABS or aluminum cases compatible with standard battery trays.
- •BMS Integration → Automotive-grade BMS with short-term crank protection, Bluetooth or CAN communication.
- •Environmental Adaptation → IP54–IP65 waterproof rating, vibration-proof structure, optional self-heating.
- •Charging Compatibility → Supports alternator, solar, or DC–DC charging systems.
- •Branding & OEM/ODM → Custom labeling and housing design for OEM applications.
Make your 12 volt lithium battery purchasing journey easy
Strict Quality & Safety Testing
Each battery undergoes comprehensive tests—UN38.3, IEC, vibration, drop, waterproofing (IP65/IP67), and thermal cycling—ensuring reliability and safety in real-world conditions.
Customization Flexibility
From voltage, capacity, and casing to BMS communication protocols (CAN, RS485), our engineering team tailors 12V lithium batteries to your unique project requirements.
Certified for Global Markets
Our batteries meet international standards such as CE, RoHS, and UL (upon request), making them compliant and trusted in over 100+ countries worldwide.
Efficient Delivery & Supply Chain
With stable raw material supply and optimized logistics, we ensure fast lead times—standard models within days, custom packs within weeks.
Long-Term Support & Partnership
We offer extended warranties, local technical support, and OEM/ODM cooperation, making Robur a reliable long-term partner for your business growth.
End-to End Solutions for 12V lithium battery
From initial consultation to final delivery, our team ensures every 12V lithium battery project is executed with efficiency, safety, and precision.
Requirement Analysis & Solution Design
Sample Development & Testing
Mass Production & Quality Control
Delivery & After-Sales Support
Requirement Analysis & Solution Design
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Understand customer applications (golf carts, industrial vehicles, marine, etc.) and define performance, capacity, and size requirements.
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Engineering team delivers tailored battery system designs that meet international standards and long-term reliability needs.
Sample Development & Testing
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Rapid sample development based on confirmed specifications, with in-house cycle life, safety, and environmental tests.
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On-site customer testing support to guarantee stable performance in real operating conditions.
Mass Production & Quality Control
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30 automated production lines under ISO/IATF quality systems ensure consistency and reliability.
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Comprehensive inspections (capacity, internal resistance, BMS functions, appearance) for every single battery.
Delivery & After-Sales Support
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Standard products shipped within 24 hours; customized projects delivered in 7–15 days.
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Proven service experience in 100+ countries, offering remote technical support and localized after-sales networks for long-term stability.
WHO WE ARE
factory-direct
Top 12v Lithium Battery Manufacturer in China
Robur is a true source manufacturer, established in 2009 and recognized as the largest battery supplier for EXCAR, one of the world’s leading golf cart brands. This foundation has shaped our reputation as a trusted name in power lithium solutions.
With 500+ employees and 30 automated production lines, we deliver an annual capacity of 100,000 batteries, ensuring both large-scale reliability and consistent quality. Our 24V lithium batteries benefit directly from this industrial strength, making them a dependable choice for diverse applications.
Today, our products are trusted in 100+ countries worldwide, backed by a team where 100+ employees have served more than a decade—proof of our stability and long-term commitment.
Choosing Robur means working with a manufacturer rooted in industry leadership, global trust, and proven capability.
Manufacturing Premium 12v Lithium Batteries to the Highest Industry Standards
FAQ
Frequently Asked Questions
What applications are 12V lithium batteries suitable for?
12V lithium batteries are ideal for engine start assist, backup power systems, RV house batteries, marine electronics, and small solar or portable power stations.
How long is the typical lifespan of a 12V lithium battery?
With proper BMS protection, a 12V LiFePO4 battery can reach over 3000–4000 charge cycles—five times longer than lead-acid equivalents.
Can I use your 12V lithium battery for both deep-cycle and starting purposes?
Yes. Robur’s 12V LiFePO4 batteries support dual-function use for both starting and deep-cycle power, depending on configuration.
Are 12V lithium batteries safe for vehicle use?
Absolutely. Each pack includes automotive-grade cells and multiple safety layers for short-circuit, overcharge, and temperature control.
How quickly can 12V lithium batteries be delivered?
Standard models ship within 10–15 working days; custom-designed units take about 3–4 weeks depending on quantity and casing requirements.