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37.5Ah High Energy Density Battery – 350Wh/kg with Ultra‑Thin 6.7mm Design for Versatile Applications
PPCell 37.5Ah high energy density battery (Model P‑6497T6) delivers 350Wh/kg gravimetric energy density with 3.6V platform and 37.5Ah capacity. Ultra‑light 380g design with ultra‑thin 6.7mm profile – one of the slimmest 350Wh/kg batteries available. 3C continuous / 5C pulse discharge with low internal resistance ≤2.5 mΩ. Ideal for two‑wheel swap battery systems, home energy storage, and drones.
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Product Overview – High Energy Density Battery with Ultra‑Thin Design
PPCell‘s 37.5Ah high energy density battery (Model P‑6497T6) delivers 350Wh/kg gravimetric energy density – among the highest available in a production battery – in an exceptionally slim 6.7mm profile. Leveraging advanced high‑nickel NMC cathode and silicon‑carbon anode technology with optimized electrode design, this cell achieves 350Wh/kg while maintaining reliable performance and safety. The ultra‑thin 6.7mm profile is among the slimmest 350Wh/kg batteries available, enabling compact designs for space‑constrained applications.
With a nominal voltage of 3.6V and 37.5Ah capacity, the P‑6497T6 provides substantial energy (135Wh) in an ultra‑lightweight 380g package – delivering exceptional energy‑to‑weight ratio that significantly extends operating time across multiple applications. Low internal resistance ≤2.5 mΩ ensures efficient power delivery with minimal heating. The 3C continuous / 5C pulse discharge capability provides sufficient power for a wide range of applications – from two‑wheeler acceleration to drone takeoff and home storage peak shaving.
This high energy density cell is purpose‑built for applications requiring maximum energy storage in minimal space and weight – two‑wheel swap battery systems, home energy storage, and drones. By delivering 350Wh/kg, this cell enables substantially longer operating times than conventional LiPo batteries (180‑220Wh/kg), reducing battery swap frequency and increasing operational efficiency.
Key Features – High Energy Density Battery
High Energy Density (350Wh/kg): Among the highest energy densities available – significantly extends operating time without adding weight. 350Wh/kg represents the leading edge of commercial battery technology.
Ultra‑Thin 6.7mm Profile: One of the slimmest 350Wh/kg batteries available – enables compact designs for space‑constrained applications – two‑wheel vehicles, home storage systems, and drones.
High Capacity (37.5Ah / 135Wh): Substantial energy capacity for extended operations – longer range for two‑wheelers, extended backup for home storage, and longer flight times for drones.
Ultra‑Lightweight Design (380g): Remarkably light for a 37.5Ah high energy density cell – maximizes payload capacity and minimizes system weight.
Reliable Discharge Capability (3C Continuous / 5C Pulse): 3C continuous (112.5A) and 5C instantaneous pulse (187.5A) discharge – sufficient power for two‑wheeler acceleration, drone takeoff and climbing, and home storage peak shaving.
Low Internal Resistance (≤2.5 mΩ): Low‑impedance architecture minimizes joule heating, maximizes energy conversion efficiency, and enhances safety.
Wide Operating Temperature Range: Supports charging from 0~45°C and discharging from -20~60°C for versatile operating conditions.
Technical Specifications – 37.5Ah High Energy Density Battery
| Parameter | Specification |
|---|---|
| Model | P‑6497T6 |
| Rated Voltage | 3.6 V |
| Capacity | 37.5 Ah |
| Total Energy | 135 Wh |
| Thickness | 6.7 mm (max) |
| Width | 97 mm (max) |
| Length | 266 mm (max) |
| Tab Width | 25 mm |
| Cell Weight | ≈ 380 g |
| Internal Resistance | ≤ 2.5 mΩ |
| Gravimetric Energy Density | 350 Wh/kg |
| Cycle Life | 300 cycles |
| Operating Temperature (Charge) | 0 ~ 45°C |
| Operating Temperature (Discharge) | -20 ~ 60°C |
| Maximum Continuous Charge | 1C |
| Maximum Continuous Discharge | 3C |
| Maximum Instantaneous Discharge | 5C |
Why Choose PPCell High Energy Density Battery?
350Wh/kg High Energy Density: Unlocks extended operating time – among the highest energy densities available. 350Wh/kg represents the leading edge of commercial battery technology.
Ultra‑Thin 6.7mm Profile: One of the slimmest 350Wh/kg batteries available – enables compact designs for two‑wheel vehicles, home storage, and drones.
37.5Ah High Capacity with 135Wh Energy: Substantial energy for extended operations – longer range, longer backup, longer flight times.
Ultra‑Light 380g Design: Maximizes payload capacity and minimizes system weight.
3C / 5C Discharge Capability: Reliable power for acceleration, takeoff, and peak shaving.
Low ≤2.5 mΩ Internal Resistance: Minimizes heating, maximizes efficiency, and enhances safety.
Versatile Applications: Optimized for two‑wheel swap, home energy storage, and drones – a single cell platform for multiple applications.
Proven Technology: PPCell leverages 15+ years of battery manufacturing expertise, with rigorous quality control and global technical support.
Applications
Two‑Wheel Swap Battery Systems: Electric scooters, e‑bikes, and motorcycles – the 350Wh/kg energy density provides extended range, while 3C/5C discharge delivers reliable acceleration and hill‑climbing performance. The ultra‑thin 6.7mm profile enables compact battery pack designs for vehicle frames.
Home Energy Storage Systems: Peak shaving, backup power, and load shifting – the high energy density enables more storage capacity in less space, while 3C discharge provides sufficient power for household loads. The slim profile allows for wall‑mounted or space‑efficient installations.
Drones: Long‑endurance UAV missions – aerial mapping, surveillance, inspection, and logistics – the high energy density and ultra‑light 380g design maximize flight time and payload capacity.
Industrial Inspection: Infrastructure inspection requiring extended flight time and compact battery design.
Emergency Backup Power: Portable power systems requiring high energy density and reliable performance.
Comparison: 350Wh/kg High Energy Density vs. Conventional LiPo
| Parameter | 350Wh/kg High Energy Density (PPCell P‑6497T6) | Conventional LiPo |
|---|---|---|
| Energy Density | 350 Wh/kg | 180‑220 Wh/kg |
| Weight (37.5Ah equivalent) | 380 g | ~650‑750 g |
| Thickness | 6.7 mm | ~8‑12 mm |
| Continuous Discharge | 3C | 5C‑10C |
| Pulse Discharge | 5C | 10C‑15C |
| Cycle Life | 300 cycles | 300‑500 cycles |
| Safety | Advanced chemistry – enhanced stability | Liquid electrolyte – leakage/thermal runaway risk |
| Operating Temperature | -20 ~ 60°C | 0 ~ 45°C |
Comparison: PPCell High Energy Density Series
| Parameter | P‑6497T6 | P‑A588J9 |
|---|---|---|
| Capacity | 37.5 Ah | 40 Ah |
| Voltage | 3.6V | 3.8V HV |
| Energy Density | 350 Wh/kg | 380 Wh/kg |
| Weight | 380 g | 400 g |
| Thickness | 6.7 mm | 10.5 mm |
| Continuous Discharge | 3C | 2C |
| Pulse Discharge | 5C | 3C |
| Internal Resistance | ≤2.5 mΩ | ≤2 mΩ |
| Cycle Life | 300 cycles | 300 cycles |
| Best For | Ultra‑thin / space‑constrained applications | Maximum energy density / flight time |
Comparison: PPCell Cross‑Series Selection Guide
| Parameter | P‑6497T6 (High Energy Density) | P‑A6A5PO (High Rate) | P‑9270H0 (Long Endurance) |
|---|---|---|---|
| Capacity | 37.5 Ah | 30 Ah | 20 Ah |
| Energy Density | 350 Wh/kg | 220 Wh/kg | 320 Wh/kg |
| Weight | 380 g | 510 g | 225 g |
| Thickness | 6.7 mm | 10.6 mm | 9.2 mm |
| Continuous Discharge | 3C | 12C | 5C |
| Pulse Discharge | 5C | 15C | 7C |
| Cycle Life | 300 cycles | 1000 cycles | 1000 cycles |
| Best For | Maximum energy + ultra‑thin | Extreme power + fast charge | Balanced endurance + lifespan |
FAQ
Q1: What makes the 6.7mm ultra‑thin design significant?
A: At just 6.7mm thick, the P‑6497T6 is one of the slimmest 350Wh/kg batteries available. This ultra‑thin profile enables compact battery pack designs for space‑constrained applications – two‑wheel vehicle frames, wall‑mounted home storage systems, and slim drone battery bays – where every millimeter counts.
Q2: What applications is this high energy density battery suitable for?
A: This cell is optimized for three primary application areas: (1) Two‑wheel swap battery systems – electric scooters, e‑bikes, and motorcycles requiring extended range and compact design; (2) Home energy storage – peak shaving, backup power, and load shifting with space‑efficient installation; (3) Drones – long‑endurance UAV missions requiring maximum flight time and lightweight design.
Q3: How does 350Wh/kg energy density compare to conventional batteries?
A: 350Wh/kg is significantly higher than conventional LiPo batteries (180‑220Wh/kg) – roughly 60‑95% more energy per gram. This means the P‑6497T6 stores substantially more energy in the same weight, or the same energy in much less weight. For two‑wheelers, this means extended range; for home storage, more backup capacity in less space; for drones, longer flight times.
Q4: Is the 3C/5C discharge sufficient for my application?
A: Yes for most applications. 3C continuous (112.5A) provides reliable power for two‑wheeler cruising and hill climbing, drone takeoff and sustained flight, and home storage load delivery. 5C pulse (187.5A) handles instantaneous demands – acceleration, rapid climbing, and peak load events. For applications requiring extreme power (racing drones or high‑performance tools), consider our high‑rate series.
Q5: What is the cycle life of this battery?
A: The cell delivers 300 cycles at 80% depth of discharge. This is typical for high‑energy‑density cells (350Wh/kg class) where maximum energy density is prioritized. The advanced chemistry that enables 350Wh/kg inherently has different longevity characteristics than lower‑energy‑density cells. For applications requiring longer cycle life, consider our long endurance series with 1000‑1200 cycles.
Q6: Is this battery suitable for home energy storage?
A: Yes. The 350Wh/kg energy density enables more storage capacity in less space – ideal for wall‑mounted or space‑efficient home storage installations. The 3C discharge provides sufficient power for household loads, while the wide operating temperature range (-20~60°C) ensures reliable performance across seasons. The ultra‑thin 6.7mm profile is particularly advantageous for compact storage systems.
Q7: Is this battery suitable for two‑wheel swap applications?
A: Yes. The 37.5Ah capacity and 350Wh/kg energy density provide extended range per charge, while 3C/5C discharge delivers reliable acceleration and hill‑climbing performance. The ultra‑thin 6.7mm profile enables compact battery pack designs that fit easily into vehicle frames. The lightweight 380g design minimizes overall vehicle weight.
Q8: What is the operating temperature range?
A: The cell supports charging from 0~45°C and discharging from -20~60°C, making it suitable for a wide range of environmental conditions – from cold‑weather outdoor operations to hot summer usage.
Q9: Why is low internal resistance (≤2.5 mΩ) important?
A: Low internal resistance minimizes energy loss as heat during discharge, improves overall energy conversion efficiency, keeps the battery cooler during operation, and enhances safety. For high energy density applications, this efficiency directly contributes to longer operating times.
Q10: How does this battery compare to the P‑A588J9 model?
A: The P‑6497T6 offers a significantly thinner profile (6.7mm vs. 10.5mm) with slightly lower energy density (350Wh/kg vs. 380Wh/kg) and higher discharge capability (3C/5C vs. 2C/3C) in a lighter package (380g vs. 400g) with the same cycle life. The P‑6497T6 is ideal for space‑constrained applications where ultra‑thin design is critical; the P‑A588J9 is ideal for applications prioritizing absolute maximum energy density and flight time.