Enquire

Power Battery

High energy density, ultra-long life and fast charging batteries in three-lines parallel, covering domestic and overseas pure electric and fast charging scenarios.
Learn More

Marvel EVM offers a range of services tailored to meet the needs of modern electric vehicle projects.

CTP high grouping efficiency, integration water-cooling and water-heating, and long-lasting structure design, realizing intelligent temperature management of the battery, with IP68 and IP6K9K protection. MTB innovative integration design, realizing highly integrated vehicle battery, and VED、GED double enhancement, to build the full top-mounted MTB program for industry’s original.

Heavy truck-high energy series-BH1 products

Our Plans
CATL
Cooling Method
Liquid-cooled, the whole vehicle needs to consider the matching of water-cooled units
Protection class
IP68
Battery capacity
228Ah/302Ah
Battery size
T54*W174*H207mm/T72*W174*H207mm
Electrical box set
H01 Box: 2050*640*243 mm 1P96S/1P72S
Electrical box set
H02 Box: 1850*640*243 mm 1P84S/1P63S
Matching electrical box of bus
C01 Box: 1060*630*240 mm 1P48S/1P36S
Matching electrical box of bus
G01 Box: 950*630*240 mm 1P39S/1P30S
Charge rate
1.0C/0.8C
Energy density
>155Wh/kg
Detailed description of this feature.

Strong mechanical protection

IP68 protection, to meet a variety of harsh environmental conditions

Intelligent control

Self-developed thermal management system, equipped with heating & cooling system and heat preservation, can work in ambient temperature -35~45℃ to meet different regional applications.

Abundant power distribution

123~577KWh can be configured to meet the requirements of different tons of power distribution volume.

High energy density

> 155Wh/kg, up to 158.24Wh/kg.

Strong anti-decay capability

High cycle LFP system, 4000 times cycle life at cell level.

Safe and reliable

igh safety LFP system, high-strength Pack group design, to meet the GB and ISO double standard safety requirements.

Bus-high-energy series-BC3 products

powertrain Parameters - 72T/54T/41T

Our Plans
CATL
Product Type
High energy type
Cell Capacity
302Ah/228Ah/173Ah
Cell size and model
72T/54T/41T
Electrical box set
C Box：L1060*W630*H240 mm 1P36S/1P48S/1P63S
Electrical box set
G Box：L950*W630*H240 mm 1P30S/1039S/1P54S
Charge rate
250A/1.0C/1.0C
Energy density
>155Wh/kg
Cooling method
Liquid-cooled, the whole vehicle needs to consider the matching of water-cooled units
Protection class
IP68

Intelligent management and control

Independent research and development of thermal management system, equipped with heating & cooling system and heat preservation, can work at the ambient temperature of -35~45°C, to meet the needs of different regional applications.

Abundant power distribution

It can be configured with 90~600KWh to meet the power distribution requirements of various buses.

High energy density

The battery system adopts a lightweight group design with high energy density.

Strong compatibility

Continuing the external dimensions of the previous generation of products, the vehicle installation boundary is compatible.

Safe and reliable

The battery cell adopts high-safety lithium iron phosphate system and high-strength Pack group design, which meets the high safety requirements of GB/T31467.3-2015.

battery in Electric Bus

Purpose:

Stores electrical energy and provides power to the traction motor, HV components, and via DC-DC conversion, also to LV systems like lights, wipers, and controls.

Key Specifications

Parameter
Typical Value / Info
Battery Type
Lithium-ion (LFP, NMC, or LTO)
Voltage
600V to 800V (High Voltage)
Capacity
150 – 350 kWh (depending on range & bus size)
Range
150 – 300 km per full charge
Weight
~500–1000 kg
Cooling
Liquid-cooled / air-cooled
Charing Time
1.5 – 4 hours (fast charging)
Cooling method
Liquid-cooled, the whole vehicle needs to consider the matching of water-cooled units
Cycle Life
2000 – 5000 charge cycles

Main Components of Battery Pack:

Component
Function
Battery Modules
Group of cells arranged in series/parallel
Battery Cells
Actual units storing energy
BMS (Battery Management System)
Monitors and protects the battery
Thermal Management
Maintains optimal operating temperature
Contactors / Fuses
Control and protect high-voltage connections
Casing
Protects battery pack from vibration, heat, and water