Custom Battery Systems & OEM Packs by Application
Custom OEM / ODM battery systems engineered for AGV robotics, medical devices, industrial power, e-mobility, and energy storage — from prototype to certified production.
Select Your Application
Custom Li-ion Battery Pack
Any Voltage · Any Shape · OEM/ODM
Voltage
3.7V – 48V
Capacity
1Ah – 100Ah+
Li-ion Pack
Custom Li-ion Battery Pack
Fully customized 3.7V–48V Li-ion cell battery packs, any shape and capacity. OEM/ODM available.
LiFePO4 Battery Pack
Long Cycle Life · High Safety · Solar & EV Ready
Voltage
12V / 24V / 36V / 48V / 60V / 72V
Capacity
10Ah – 500Ah
LiFePO4 Pack
LiFePO4 Battery Pack
12V–72V lithium iron phosphate battery packs with high cycle life, ideal for solar and EVs.
E-Bike Battery Pack
36V / 48V / 52V · Samsung / LG Cells · BMS Built-in
Voltage
36V / 48V / 52V / 60V
Capacity
10Ah / 13Ah / 15Ah / 17.5Ah / 20Ah / 25Ah
E-bike Pack
E-Bike Battery Pack
36V/48V/52V e-bike battery pack with Samsung/LG/CATL cells, BMS protection built-in.
Medical Grade Battery Pack
High Reliability · Full Traceability · Certified
Voltage
3.7V – 48V
Capacity
1Ah – 30Ah
Medical Pack
Medical Grade Battery Pack
High-reliability medical device battery packs with strict safety certifications and traceability.
Power Tool Battery Pack
18V / 21V · High Drain · Drop-in Compatible
Voltage
18V
Capacity
2.0Ah / 3.0Ah / 4.0Ah / 5.0Ah / 6.0Ah
Power Tool
Power Tool Battery Pack
18V–21V power tool replacement and OEM battery packs with high drain discharge capability.
Energy Storage Battery Pack
48V – 96V · Stackable · Solar Ready
Voltage
48V / 51.2V / 72V / 96V
Capacity
5kWh – 100kWh
Energy Storage
Energy Storage Battery Pack
48V–96V large-capacity battery packs for solar energy storage systems, stackable design.
Lithium Polymer Battery Pack
Ultra-thin · Custom Shape · Drone & Wearable
Voltage
3.7V
Capacity
50mAh – 30,000mAh
Polymer Pack
Lithium Polymer Battery Pack
Slim & lightweight lipo battery packs in custom shapes for drones, wearables, and IoT devices.
Electric Vehicle Battery Pack
60V – 96V · Scooter / Golf Cart / Light EV
Voltage
60V / 72V / 84V / 96V
Capacity
20Ah – 150Ah
EV Pack
Electric Vehicle Battery Pack
60V–96V EV battery packs for electric scooters, golf carts and light electric vehicles.
18650 Li-ion Battery Pack
7.4V – 36V · 18650 Cells · Compact Design
Voltage
7.4V / 11.1V / 14.8V / 22.2V / 36V
Capacity
2Ah – 30Ah
Li-ion Pack
18650 Li-ion Battery Pack
Compact 18650-cell Li-ion packs for portable electronics, power banks, and handheld devices.
21700 High-Energy Li-ion Pack
14.8V – 48V · 21700 Cells · Max Energy Density
Voltage
14.8V / 25.9V / 36V / 48V
Capacity
5Ah – 100Ah
Li-ion Pack
21700 High-Energy Li-ion Pack
High-energy-density 21700-cell Li-ion packs for demanding applications requiring maximum runtime.
Rack-Mount Li-ion Battery Pack
48V · 1U/2U Rack · Data Center & UPS
Voltage
48V
Capacity
50Ah / 100Ah / 200Ah
Li-ion Pack
Rack-Mount Li-ion Battery Pack
48V rack-mount Li-ion battery packs for UPS, data center backup, and telecom applications.
LiFePO4 12V 100Ah Battery
12V · 100Ah · Drop-in Lead-Acid Replacement
Voltage
12.8V
Capacity
100Ah
LiFePO4 Pack
LiFePO4 12V 100Ah Battery
12V 100Ah LiFePO4 battery — perfect drop-in replacement for lead-acid in RV, marine, and solar.
LiFePO4 48V Server Rack Battery
48V · 100Ah · Wall-mount / Rack-mount
Voltage
51.2V
Capacity
100Ah
LiFePO4 Pack
LiFePO4 48V Server Rack Battery
48V 100Ah LiFePO4 server rack battery for home solar storage, compatible with all major inverters.
Hailong E-Bike Battery Pack
36V / 48V · Hailong Case · Shark Style
Voltage
36V / 48V
Capacity
10Ah / 13Ah / 15Ah / 17.5Ah / 20Ah
E-bike Pack
Hailong E-Bike Battery Pack
Hailong shark-style e-bike battery pack with integrated lock, LED indicator, and USB port.
Rear Rack E-Bike Battery Pack
36V / 48V · Rear Rack Mount · High Capacity
Voltage
36V / 48V / 52V
Capacity
15Ah / 20Ah / 25Ah / 30Ah
E-bike Pack
Rear Rack E-Bike Battery Pack
High-capacity rear rack e-bike battery with integrated carrier, suitable for cargo and touring bikes.
Portable Patient Monitor Battery
11.1V · 6600mAh · IEC 60601-1 Compliant
Voltage
11.1V
Capacity
6600mAh
Medical Pack
Portable Patient Monitor Battery
Certified 11.1V 6600mAh battery pack for portable patient monitors and vital signs equipment.
Surgical Robot Battery Pack
25.9V · 20Ah · High Reliability · Redundant BMS
Voltage
25.9V
Capacity
20Ah
Medical Pack
Surgical Robot Battery Pack
High-reliability 25.9V 20Ah battery pack for surgical robots and powered surgical instruments.
40V Outdoor Power Tool Battery
40V · 4Ah / 6Ah · Garden & Outdoor Tools
Voltage
40V
Capacity
4.0Ah / 6.0Ah / 8.0Ah
Power Tool
40V Outdoor Power Tool Battery
40V high-capacity battery pack for cordless lawnmowers, leaf blowers, and outdoor power equipment.
60V Heavy-Duty Power Tool Battery
60V · 3Ah / 6Ah · Heavy-Duty Construction
Voltage
60V
Capacity
3.0Ah / 6.0Ah / 9.0Ah
Power Tool
60V Heavy-Duty Power Tool Battery
60V high-voltage battery pack for heavy-duty construction tools including circular saws and demolition hammers.
Wall-Mount Home Energy Storage
48V · 10kWh · Powerwall Style · Indoor/Outdoor
Voltage
48V
Capacity
10kWh
Energy Storage
Wall-Mount Home Energy Storage
Powerwall-style 48V 10kWh wall-mount home energy storage system with integrated inverter option.
Container Energy Storage System
500kWh – 2MWh · C&I / Utility Scale
Voltage
600V – 1500V DC bus
Capacity
500kWh / 1MWh / 2MWh
Energy Storage
Container Energy Storage System
Containerized LiFePO4 energy storage systems for commercial, industrial, and utility-scale projects.
FPV Racing Drone LiPo Pack
14.8V (4S) · 1300–2200mAh · 100C Burst
Capacity
1300mAh / 1500mAh / 1800mAh / 2200mAh
Polymer Pack
FPV Racing Drone LiPo Pack
High-performance 4S LiPo battery packs for FPV racing drones with 100C burst discharge rating.
Ultra-Slim Wearable LiPo Battery
3.7V · 100–500mAh · 1.5mm Thin · Custom Shape
Voltage
3.7V
Capacity
100mAh – 500mAh
Polymer Pack
Ultra-Slim Wearable LiPo Battery
Ultra-slim 1.5mm LiPo batteries for smartwatches, fitness trackers, hearables, and smart rings.
Golf Cart LiFePO4 Battery Pack
48V · 100Ah / 150Ah · Lead-Acid Drop-in
Voltage
48V
Capacity
100Ah / 150Ah / 200Ah
EV Pack
Golf Cart LiFePO4 Battery Pack
Direct drop-in LiFePO4 replacement for 48V lead-acid golf cart batteries — lighter, longer lasting.
Electric Scooter Battery Pack
60V / 72V · 30–60Ah · High Performance
Voltage
60V / 72V
Capacity
30Ah / 40Ah / 50Ah / 60Ah
EV Pack
Electric Scooter Battery Pack
60V/72V high-performance battery packs for electric scooters with fast charging and long range.
Electric Forklift Battery Pack
48V / 80V · 400–600Ah · Industrial Grade
Voltage
48V / 80V
Capacity
400Ah / 500Ah / 600Ah
EV Pack
Electric Forklift Battery Pack
Industrial-grade 48V/80V LiFePO4 battery packs for electric forklifts and warehouse vehicles.
AGV / AMR Robot Battery Pack
24V / 48V · 50–100Ah · Auto-Charging Ready
Voltage
24V / 48V
Capacity
50Ah / 75Ah / 100Ah
EV Pack
AGV / AMR Robot Battery Pack
24V/48V battery packs for AGV and AMR robots with auto-docking charging and CAN communication.
Sodium-ion 48V 20Ah Battery Pack
120–150 Wh/kg · 3,000+ Cycles · -40°C Operation
Voltage
48V
Capacity
20Ah
Sodium-ion Pack
Sodium-ion 48V 20Ah Battery Pack
High-performance sodium-ion battery pack for residential and commercial energy storage. Exceptional safety, ultra-long cycle life, and superior low-temperature performance.
Sodium-ion 12V 100Ah Deep Cycle Battery
Marine Grade · IP65 · 5,000 Cycles · Half the Weight
Voltage
12.4V
Capacity
100Ah
Sodium-ion Pack
Sodium-ion 12V 100Ah Deep Cycle Battery
Marine-grade sodium-ion deep cycle battery for boats, RVs, and off-grid systems. Salt-spray resistant with IP65 rating and 5,000+ cycle life.
Sodium-ion 51.2V 100Ah Rack-Mount Module
5.12 kWh · 15,000 Cycles · CAN Bus · Scalable
Voltage
51.2V
Capacity
100Ah
Sodium-ion Pack
Sodium-ion 51.2V 100Ah Rack-Mount Module
Rack-mount sodium-ion battery module for commercial and industrial energy storage. 15,000+ cycles, CAN Bus communication, and parallel expansion to 100kWh+.
Custom Battery Pack OEM Manufacturing for AGV, Medical, E-Mobility & Industrial Applications — COSOMIC Foshan China
COSOMIC TECHNOLOGY COMPANY LIMITED designs and manufactures custom battery packs for OEM and ODM clients across eight core industrial segments. Whether you need a medical device battery pack that complies with IEC 60601-1 and ISO 13485, an AGV robot battery with CAN Bus fleet management and opportunity-charging optimization, or a solar energy storage battery built from stackable LiFePO4 modules, our Foshan engineering team delivers from prototype to certified mass production.
Our product catalog covers lithium-ion (18650, 21700, prismatic), lithium iron phosphate (LiFePO4), lithium polymer (LiPo), sodium-ion (Na-ion), semi-solid, and solid-state chemistries. Voltage platforms range from 3.7V consumer cells to 96V industrial and EV packs. Capacities span 100mAh wearable formats up to 500Ah containerized ESS modules. Every design ships with CE, UN38.3, RoHS, and IEC 62619 documentation; medical and automotive projects additionally support ISO 13485, UL 1973, and EN15194 compliance.
From custom battery pack design and cell selection to BMS firmware, thermal simulation, and dangerous-goods shipping documentation, COSOMIC manages the full value chain in-house at our ISO 9001 facility in Foshan, Guangdong, China. We have shipped custom battery systems to 50+ countries with flexible MOQs starting at 30 units and sample lead times as short as 7–15 days. If you are searching for a reliable battery pack OEM manufacturer in China for robotics, medical, e-mobility, or energy storage, start by reviewing our application-specific engineering guides below.
Browse Battery Packs by Application
Frequently Asked Questions
What is the minimum order quantity (MOQ) for custom battery packs?
How long does it take to receive a custom battery pack sample?
What certifications do COSOMIC custom battery packs carry?
Which battery chemistry is best for my application — LiFePO4, Li-ion, or sodium-ion?
Can COSOMIC design a battery pack to fit my exact product dimensions?
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