Premium Battery Packs
Lead-Acid Lithium Replacement
Global Manufacturing
Facilities in China, Malaysia, Vietnam, and the USA
US-Based Support
Local representatives and engineering support across the country
Trusted Quality
Certified to global standards and built for performance
Traditional lead-acid batteries have long been the default choice for industrial applications, but their limitations are undeniable. In an era where efficiency and sustainability are paramount, PHD Energy continues to lead the charge with cutting-edge battery technologies.
Combining advanced lithium technology with a sophisticated Battery Management System (BMS), the PHD Energy’s LiFePO4 lead-acid lithium replacement batteries offer a longer lifespan, reduced weight, and faster charging compared to traditional lead-acid batteries.
Superior BMS
Engineered with advanced Lithium Iron Phosphate (LiFePO4) chemistry and a state-of-the-art Battery Management System (BMS), our batteries deliver transformative advantages:
- SUPERIOR POWER OUTPUT
Optimized energy density ensures consistent, high-performance power for demanding applications.
- EXTENDED LIFESPAN
Outlast lead-acid batteries by up to 5x, reducing long-term costs and replacements.
- LIGHTWEIGHT DESIGN
Up to 70% lighter than traditional batteries, simplifying handling and installation.
- RAPID CHARGING
Reach full charge in a fraction of the time, minimizing downtime and boosting productivity.
Scalable Energy Solutions
Advanced Battery Packs Systems
At PHD Energy, we design and manufacture high-performance lithium battery packs engineered for reliability, safety, and long-term performance. Each battery pack is built with advanced BMS integration, precision engineering, and global manufacturing expertise. Whether you need a standard configuration or a fully customized solution, PHD Energy delivers scalable power systems tailored to your voltage and performance requirements.
Premium Lithium Battery Solutions
SUPERIOR QUALITY
Built with Grade A, UL1642-certified cells for reliability and safety.
WIDE VOLTAGE & CAPACITY RANGE
From 6V to 48V+ and 4Ah to 200Ah+, meeting diverse power needs.
ADVANCED BMS TECHNOLOGY
Ensures optimal performance, protection, and longevity.
CUSTOM SOLUTIONS
Strong capability to design and tailor batteries for specific applications.
RELIABLE SUPPORT & FAST SHIPPING
US-based warehousing and technical support for seamless service.
Comparison Table
| Metric | Lead-Acid (SLA, AGM) | Lithium-Ion (LiFePO4) |
|---|---|---|
|
Chemistry |
SLA, AGM |
LiFePO4 |
|
Energy Density |
Low (30-50 Wh/kg) |
2x Higher (100-150 Wh/kg) |
|
Self Discharge |
Fast (10-12%/month) |
Low (2-3%/month) |
|
Lifespan |
Short (1-3 years) |
Long (10+ years) |
|
Cycle Life |
Low (150–400 cycles) |
Long (500+ cycles) |
|
Charging Speed |
Slow (8+ hrs) |
Fast (1–2 hrs) |
|
Discharge Capability |
50–60% DoD |
Up to 100% DoD |
|
Efficiency |
70–85% |
Up to 95% |
|
Total Cost of Ownership |
High (frequent replacements, downtime) |
Lower (long lifespan, minimal downtime) |
Applications
PHD Energy’s LiFePO₄ (Lithium Iron Phosphate) battery packs are engineered to replace traditional lead-acid batteries across a wide range of applications, offering enhanced performance, longevity, and efficiency. Our engineering team customizes each pack to meet your voltage, capacity, and form factor needs—built with Grade A, UL1642-certified cells and supported by U.S.-based warehousing and technical service for quality you can trust.
- Marine & Boating: Trolling motors, onboard electronics, navigation systems
- Recreational Vehicles (RV): House batteries, solar power systems, inverters
- Golf & Utility Carts: Electric golf carts, utility vehicles, personal transporters
- Solar & Energy Storage: Off-grid systems, residential backup, commercial ESS
- Mobility & Medical Equipment: Wheelchairs, mobility scooters, medical carts
- Industrial & Commercial: Floor scrubbers, forklifts, pallet jacks, test instruments
- Backup & Telecommunications: UPS systems, telecom base stations, security systems
- Recreational & Specialty Vehicles: ATVs, electric motorcycles, camping trailers
6V Series
- Chemistry: LiFePO4
- Configuration: 2S
- Nominal Voltage: 6.4V
| Product | Capacity | Energy | Dimensions (in) | Weight | Terminals |
|---|---|---|---|---|---|
|
6V5Ah |
5Ah |
32Wh |
2.8×1.9×4.0 |
0.84 lbs |
F1 |
|
6V8Ah |
8Ah |
51Wh |
6.0×1.4×3.7 |
1.05 lbs |
F1 |
|
6V10Ah |
10Ah |
64Wh |
6.0×2.0x3.7 |
1.32 lbs |
F1 |
|
6V12Ah |
12Ah |
76Wh |
3.5×2.8×4.0 |
1.74 lbs |
F1 |
12V SERIES
- Chemistry: LiFePO4
- Configuration: 4S
- Nominal Voltage: 12.8V
| Product | Capacity | Energy | Dimensions (in) | Weight | Terminals |
|---|---|---|---|---|---|
|
12V5Ah |
5Ah |
64Wh |
3.5×2.8×4.0 |
1.8 lbs |
F2 |
|
12V7Ah |
7Ah |
89Wh |
5.9×2.6×3.8 |
2.2 lbs |
F2 |
|
12V10Ah |
10Ah |
128Wh |
5.9×2.6×3.8 |
2.8 lbs |
F2 |
|
12V12Ah |
12Ah |
153Wh |
5.9×2.6×3.8 |
3.1 lbs |
F2 |
|
12V30Ah |
30Ah |
384Wh |
7.1×3.0x6.7 |
6.2 lbs |
M6 |
|
12V50Ah |
50Ah |
640Wh |
Group U1 |
12.6 lbs |
M6 |
|
12V100Ah |
100Ah |
1280Wh |
Group 27/31 |
27 lbs |
M8 |
|
12V130Ah |
130Ah |
1664Wh |
Group 31 |
32 lbs |
M8 |
|
12V165Ah |
165Ah |
2112Wh |
Group 31 |
39 lbs |
M8 |
|
12V200Ah |
200Ah |
2560Wh |
19.0×6.7×9.4 |
48 lbs |
M8 |
24V SERIES
- Chemistry: LiFePO4
- Configuration: 8S
- Nominal Voltage: 25.6V
| Product | Capacity | Energy | Dimensions (in) | Weight | Terminals |
|---|---|---|---|---|---|
|
24V6Ah |
6Ah |
153Wh |
5.9×3.4×5.1 |
4 lbs |
M6 |
|
24V30Ah |
30Ah |
768Wh |
Group 24 |
14 lbs |
M8 |
|
24V50Ah |
50Ah |
1280Wh |
Group 31 |
25 lbs |
M8 |
|
24V72Ah |
72Ah |
1843Wh |
Group 31 |
35 lbs |
M8 |
|
24V100Ah |
100Ah |
2560Wh |
19×6.7×9.4 |
47 lbs |
M8 |
36V SERIES
- Chemistry: LiFePO4
- Configuration: 12S
- Nominal Voltage: 38.4V
| Product | Capacity | Energy | Dimensions (in) | Weight | Terminals |
|---|---|---|---|---|---|
|
36V30Ah |
30Ah |
1152Wh |
10.2×6.6×8.2
|
19.8 lbs
|
M8 |
|
36V50Ah |
50Ah |
1920Wh |
12.9×7.1×8.5
|
37.3 lbs |
M8 |
|
36V75Ah |
75Ah |
2880Wh |
19.0×6.7×9.4
|
44.5 lbs |
M8 |
48V SERIES
- Chemistry: LiFePO4
- Configuration: 16S
- Nominal Voltage: 51.2V
| Product | Capacity | Energy | Dimensions (in) | Weight | Terminals |
|---|---|---|---|---|---|
|
48V6Ah |
6Ah |
307Wh |
6.5×5.0x6.9 |
8 lbs |
M6 |
|
48V30Ah |
30Ah |
1536Wh |
Group 31 |
27 lbs |
M8 |
Submit your RFQ
What Happens Next
Submit your requirements and a PHD Energy engineer will contact you within 1 business day.
Share application, specs, volume, and timeline.
Our team evaluates your needs and prepares a tailored recommendation.
Get a detailed proposal including design options, pricing, and lead times.
We build, test, and refine until your solution is field-ready.