secondary battery
Premium Performance Li-Po Battery
From ultra-compact cells to high-capacity packs, our Li-Po batteries are available in a wide variety of sizes to meet your exact design requirements.
Premium Quality
Engineered with advanced battery technology and strict quality standards for reliable, long-lasting performance
Battery Support
Expert engineering and technical support from concept and prototyping to manufacturing and integration
Custom Solutions
Capacity, size, and labeling fully customizable. OEM branding and custom spec engineering available.
Global Battery Manufacturing
Worldwide battery manufacturing capabilities with facilities and support networks across the USA and Asia
PHD Enery’s pouch-cell Li-Po batteries offer high energy density, flexible form factors, and stable discharge performance, making them ideal for space-constrained and weight-sensitive designs. Whether you need ultra-thin profiles or higher-capacity configurations, our team works as a trusted OEM battery provider to develop solutions tailored to your product.
With advanced manufacturing capabilities across the United States, China, Malaysia, and Vietnam, we ensure scalable production, consistent quality, and fast turnaround times for global clients.
Li-Po Battery Features
Reliable Power. Compact Designn. Endless Possibilities.
- NOMINAL VOLTAGE
3.7-3.8V
- HIGH ENERGY DENSITY
Lightweight with powerful performance
- MULTIPLE CAPACITIES
From small cells to high-capacity packs
- BUILT-IN PROTECTION
Safe, stable, and long-lasting
Applications
Lithium Polymer (Li-Po) pouch batteries are engineered for compact, lightweight electronic devices requiring reliable and efficient power. Featuring a flat, flexible form factor, these batteries can be customized to fit precise design constraints, making them ideal for space-limited applications.
With high energy density, stable 3.7V output, and scalable capacity options—from ultra-small cells to larger high-capacity packs—Li-Po pouch batteries are widely used in consumer electronics, wearables, portable devices, and lightweight unmanned systems.
Smartphones & Tablets
Smartwatches & Fitness Trackers
Bluetooth speakers
Lightweight Drones & UAVs
Handheld Electronics
General Type Cells
Flexible. Scalable. Custom
Product Description:
- Comprehensive range of compact, lightweight, and fully customizable models
- Long cycle life with up to 1,000 charge/discharge cycles
- Wide capacity range from 40mAh to 10,000mAh, supporting diverse applications
- High energy density up to 550Wh/L for efficient power in compact designs
| Model(e.g.) | Voltage(V) | Minimum Capacity(mAh) | Dimensions L*W*H mm | Internal resistance(mΩ) | Weight(g) |
|---|---|---|---|---|---|
|
341217 |
3.7 |
45 |
2.4 * 11.9 * 17.2 |
380 |
0.9 |
High/Low Temperature cells
Product Description:
- High-Temperature Batteries
Designed for reliable performance in demanding environments, these batteries can operate continuously at temperatures up to 60°C and remain functional in low temperatures down to -20°C.
They can withstand short-term storage temperatures of up to 85°C.
- Low-Temperature Batteries
Engineered for extreme cold conditions, these batteries can operate at temperatures as low as -40°C.
They also support short-term storage at temperatures up to 70°C.They can withstand short-term storage temperatures of up to 85°C.
| Model(e.g.) | Voltage(V) | Minimum Capacity(mAh) | Dimensions L*W*H mm | Internal resistance(mΩ) | Weight(g) |
|---|---|---|---|---|---|
|
774165 |
3.7 |
1950 |
7.7 * 41 * 65 |
40 |
38 |
High Drain Cell
Product Description:
- Supports a wide range of power output requirements for EV, PHEV, and HEV applications
- High-rate discharge performance, delivering over 80% of nominal capacity at a 20C discharge rate (HEV applications)
- Excellent cycle life, with over 80% capacity retention after 2,500 cycles
- Advanced system design ensures enhanced safety and reliability
- High energy density supports efficient energy recovery, reducing costs and improving overall system performance
| Model(e.g.) | Voltage(V) | Minimum Capacity(mAh) | Dimensions L*W*H mm | Internal resistance(mΩ) | Weight(g) |
|---|---|---|---|---|---|
|
83160230 |
3.7 |
16000 |
83 * 160 * 220 |
2 |
430 |
High Voltage Cells
Product Description:
- Maximum charging voltage options:
4.35V, 4.40V, and 4.45V
- High energy density performance:
– 4.35V system: 630–680 Wh/L
– 4.40V system: 650–720 Wh/L
– 4.45V system: 700–750 Wh/L
- Increased battery capacity enables longer operating time in end-use applications
- Excellent cycle life:
– 4.35V & 4.40V systems: ≥80% capacity retention after 1,000 cycles
– 4.45V system: ≥80% capacity retention after 500 cycles
- Designed to support high-power and energy-demanding applications
| Model(e.g.) | Voltage(V) | Minimum Capacity(mAh) | Dimensions L*W*H mm | Internal resistance(mΩ) | Weight(g) |
|---|---|---|---|---|---|
|
404798 |
3.85 |
3250 |
4 * 47 * 98 |
60 |
53 |
Quick Charge Cells
Product Description:
- Significantly reduces charging time, minimizing device downtime
- Fast-charging performance:
1.5C charging system:
– 20 minutes: ≥50% capacity
– 40 minutes: ≥85% capacity
2C–3C charging systems:
– 2C: 20 minutes ≥60%, 30 minutes ≥80%
– 3C: 15 minutes ≥60%, 20 minutes ≥80%
- Cycle life of up to 500 charge/discharge cycles
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.