Company Profile
Discover our core competencies, industry experience, and commitment to excellence.
Guangdong Yijia Technology Co., Ltd.
E&J specializes in automotive lighting, new‑energy lithium‑ion batteries and smart BMS systems. We manufacture a full range of rechargeable cells including Ni‑Cd, Ni‑MH, Li‑ion, LiPo, LiFePO4, alongside portable power supplies. We deliver custom energy solutions for e‑bikes, electric vehicles, energy‑storage units, medical devices, toys and consumer electronics. We also develop energy‑saving automotive LED lights and provide one‑stop OEM & ODM services for battery and power systems.
Main Products
High Voltage BMS, LiFePO4 Battery Pack
Employees
100~150
Location
China
Categories
Browse through our comprehensive range of product categories.
High Voltage BMS
12 products
Smart Bluetooth Active Balancing BMS For Sodium Ion Battery 4S 100A 200A 300A
12V 24V 36V 48V 4S 6S 8S 16S Bluetooth Smart Active Balance BMS For Lifepo4 Lithium Battery
High Voltage Master Slave Active Balancing BMS Stackable System CAN Communication
Lifepo4 High Voltage Battery BMS 240S 768V 10X 24S 314Ah Stackable MPPT Tracker BMS
LiFePO4 Battery Pack
54 products
High Density 20kWh 51.2V 392Ah LiFePO4 Battery Pack Floor Standing Semi Solid State Battery Pack
48V 12Ah LiFePO4 Liquid Battery 6000 Cycles Real Time Bluetooth Monitoring High Low Temp Protection 100% Discharge
48V 12Ah Smart LifePO4 Battery Pack 6000 Cycles For Electric Bike Scooter Mobility Cart
48V 280AH 314AH Solid State LifePO4 Battery Pack Stackable Home Energy Storage
Sodium Ion Battery Pack
4 products
12V 80Ah Solar Sodium Ion Battery Pack Low Temperature Resistance For Electric Vehicles Boats
EJ EJ12120SODIUM Prismatic Sodium Air Battery 12V 120Ah 1896Wh Sodium Ion EV Battery
12V 200Ah Prismatic Sodium Air Battery 2480Wh For Semi Trucks Air Conditioner System
12V 90Ah H8 CANbus Sodium Ion Battery Pack For Electric Vehicles Marine Yacht
DC DC Battery Chargers
4 products
Dual Input 20A 30A 40A 50A 60A DC To DC Multi Stage Battery Charger With MPPT
Multi Voltage Smart DC-DC Battery Chargers Isolated Design MPPT Plug In Connection
Automotive 1500W 60A DC DC Battery Chargers With Buck Boost DC/DC Converter Controller
MPPT Solar DC DC On Board Battery Charger 60A Compatible 12V/24V Engine Start Detection APP Adjustable
Li Ion Battery Pack
8 products
12V 180Ah LiFePO4 RV Lithium Battery System 60A DCDC MPPT 2 In 1 Charger Precision Monitor
RV Li Ion Battery Pack 12V 180Ah H8 With 60A DCDC MPPT SoC Gauge
Smart 12V 180Ah LiFePO4 Battery Pack With 60A DC DC MPPT Charger LCD Battery Monitor
High Capacity 73.6V 10Ah Segway Replacement Lithium Battery For X2 I2 I2SE X2SE XT 167 I180 Models
Wireless Battery Monitor
53 products
Current Shunt Battery Monitor 75A 150A 500A For Lithium AGM GEL Battery Banks
Realtime Current Monitor 500A Lithium Battery Monitor Smart Shunt SOC Meter 8-80V For DIY Battery Pack
150A 12V LCD Battery Monitor Current Voltage Meter Deep Cycle Lithium Capacity Tester
500A Smart Shunt Battery Monitor Heavy Duty LCD Battery Capacity Tester For Yacht
Battery Balancer
47 products
4S Bluetooth Smart BMS Sodium Ion Battery Active Balancing For Electric Bicycles Scooters
4S 12V 16S 48V Lifepo4 Lithium Battery Balancer 100A 200A Smart BMS Active Balancer For EV
12V 24V 36V 48V DC Contactor Relay 50A 100A 200A 400A For Car Train UPS Electric Forklift
LiFepo4 Lipo Li Ion Battery Active Balancer Current 1.5A 3S - 16S 10Ah 15Ah 100Ah 200Ah
All Products
View our complete catalog of high-quality products.
High Density 20kWh 51.2V 392Ah LiFePO4 Battery Pack Floor Standing Semi Solid State Battery Pack
Price: $1,750-2,305
MOQ: 1
12V 180Ah LiFePO4 RV Lithium Battery System 60A DCDC MPPT 2 In 1 Charger Precision Monitor
Price: $845-939
MOQ: 1
12V 80Ah Solar Sodium Ion Battery Pack Low Temperature Resistance For Electric Vehicles Boats
Price: $132.79-152.38
MOQ: 10
Get a Custom Quote
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Direct Factory Pricing
Customization Available (OEM/ODM)
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