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Monday 09:00 - 18:00 Tuesday 09:00 - 18:00 Wednesday 09:00 - 18:00 Thursday 09:00 - 18:00 Friday 09:00 - 18:00 Saturday 09:00 - 18:00

E&J Technology Group Co.,Ltd

Name: E&J Technology Group Co.,Ltd
Address: Block B, Juhao International Building, Donghuan 2nd Road, Longhua, Shenzhen, 518000, CN
Telephone: 86-755-23762949

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E&J Technology Group Co.,Ltd

E&J began the battery trading business since 1998 and established its own battery
cells and battery pack design/assembling factory in 2001 in Shenzhen.

🔋 LiFePO4 Battery & Energy Solutions
⚙️ BMS • Monitors • DC-DC • Custom Packs
🚐⛵ RV | Marine | Off-Grid | Solar
🏭 Factory Direct • Engineering Support
📧 [email protected]
🌐 www.appbattery.com
🤝 Looking forward to cooperation and mutual success In 2010, E&J
began the research on the chargers and battery BMS, battery monitor products and
establish the battery PCM/BMS/Charger factory. In 2016, E&J

invest money to establish
the new industrial park in Hukou, JIangxi Province, to produce high quality class level
lithium batteries and new type LiPolymer, LiFePO4, LTO batteries. E&J is professional
ISO901-2008 manufacturer of rechargeable and primary batteries cover Alkaline,
nickel-metal hybrid, primary lithium and rechargeable lithium-ion batteries.E&J adopted
advanced automatic production machines/equipments to ensure a highly qualified and
stable production capability, and the products E&J supplied comply CE, UL, KC, C-tick,
PSE, RoHS, Reach, UN, IEC61951, IEC62133,etc.E&J products widely exported to over
30 countries including America, Germany, New Zealand, UK, France, Japan, Korea,
Singapore, Malaysia, Australia, Brazil, etc..

28/05/2026

❄️🔋 Intelligent power built for extreme performance. Meet the 72V 60Ah Self-Heating LiFePO₄ Battery with Victron Cerbo & NMEA2000 Compatible Smart BMS — engineered for advanced energy systems, cold-weather reliability, and seamless smart integration.

Designed for marine systems, RVs, off-grid energy storage, electric mobility, and high-performance applications, this premium lithium battery delivers dependable deep-cycle power with next-generation battery technology.

🔥 Self-Heating Technology
Charge and operate confidently in cold environments with automatic low-temperature heating protection for reliable winter performance.

🔗 Victron Cerbo & NMEA2000 Compatible
Seamlessly integrates with Victron energy systems and NMEA2000 networks for advanced monitoring, communication, and smarter energy management.

📲 Smart BMS Technology
Monitor and optimize battery performance with intelligent system protection and real-time operational control.

⚡ Powerful 72V 60Ah Performance
Stable, high-capacity lithium energy designed for demanding applications with efficient power delivery and extended runtime.

🔋 Advanced LiFePO₄ Chemistry
Lightweight, maintenance-free, fast charging, superior thermal stability, and significantly longer lifespan compared to traditional batteries.

🛡️ Advanced Safety Protection
Built-in intelligent BMS safeguards against overcharge, over-discharge, overheating, and short circuits for safe and reliable operation.

🚐 Perfect for:
• Marine & Boat Systems
• RV & Camper Applications
• Off-Grid Energy Storage
• Electric Mobility Systems
• Renewable Energy Projects

🌍 Upgrade your power system with smarter, stronger, and more reliable lithium energy technology.

👉 Explore our products: https://appbattery.com/product/72v-60ah-lifepo4-battery/

21/05/2026

⚡🔋 Industrial-grade energy storage starts here. Introducing the 53V 1400Ah 74.2KWh LiFePO₄ Battery Pack — engineered for massive power capacity, long-term reliability, and advanced energy performance.
👉 Explore our products: https://appbattery.com/

19/05/2026

🔋⚡ Advanced power for every adventure. Meet the Group 27 12.8V 150Ah Self-Heating LiFePO₄ Battery — built for intelligent energy systems, extreme conditions, and reliable deep-cycle performance.

Perfect for RVs, marine applications, off-grid living, and solar storage, this premium lithium battery combines powerful capacity with smart communication technology.

🔥 Self-Heating Technology
Stay powered in cold weather with automatic heating protection for safe charging and dependable low-temperature performance.

🔗 CANBus, Victron & NMEA2000 Compatible
Seamlessly integrates with advanced energy management and marine monitoring systems for smarter control and real-time data communication.

⚡ Massive 150Ah LiFePO₄ Power
Enjoy lightweight, long-lasting, maintenance-free lithium energy with superior cycle life and stable power output.

🛡️ Advanced Safety Protection
Built-in intelligent BMS protects against overcharge, over-discharge, overheating, and short circuits for worry-free operation.

🚐 Ideal for:
• RV & Camper Systems
• Marine & Boat Applications
• Solar Energy Storage
• Off-Grid Living
• Backup Power Systems

🌍 Upgrade your energy system with smart lithium technology designed for performance, safety, and reliability.

👉 Explore our products: https://appbattery.com/product/12v-group-27-lifepo4-battery/

15/05/2026

❄️🔋 Compact size. Smart technology. Reliable cold-weather power.

Introducing the 24V 10Ah LiFePO₄ Battery with Bluetooth & Active Balance — engineered for efficient energy storage, enhanced battery health, and dependable performance in demanding environments.

📲 Bluetooth Smart Monitoring
Monitor voltage, temperature, battery status, and performance directly from your smartphone in real time.

⚡ Active Balance Technology
Optimizes cell balancing automatically for improved efficiency, longer lifespan, and maximum battery performance.

❄️ Cold Weather Ready
Designed to perform reliably in low temperatures, making it ideal for outdoor, marine, RV, and off-grid applications.

🔋 Advanced LiFePO₄ Safety
Lightweight, maintenance-free, and built with intelligent protection against overcharge, overheating, and short circuits.

🚐 Perfect for:
• RV & Camper Systems
• Marine Electronics
• Solar Storage
• Portable Power Applications
• Off-Grid Energy Solutions

🌍 Experience smarter lithium power with advanced monitoring and long-lasting reliability.

👉 Explore our products: https://appbattery.com/product/24v-10ah-lithium-battery/

07/05/2026

Video link：
https://youtu.be/DKlJxCsKOao

❄️🔋 Cold weather? No problem. Power through every season with the Heated Group 49 DIN H8 Lithium 12V 150Ah LiFePO₄ Battery Pack.

👉 Explore our products: https://appbattery.com/product/group-49-lifepo4-battery-din-h8/

05/05/2026

Meet the 72V 15Ah LiFePO₄ Battery Group 24 with IP67 waterproof protection and Smart BMS Bluetooth connectivity. Perfect for e-bikes, scooters, RVs, and off-grid setups—this battery gives you long-lasting, safe, and reliable energy wherever you go.

✅ High Capacity & Long Life – 15Ah keeps you going longer
✅ Durable & Waterproof – IP67 rated for any weather
✅ Smart Monitoring – Bluetooth BMS lets you track health & performance
✅ Lightweight & Compact – Easy to install and transport

🔋 Upgrade your ride or power system today!

👉 Explore our products: https://appbattery.com/product/72v-lithium-battery-15ah/

02/05/2026

🔋⚡ Group 27 | 12.8V 140Ah Self-Heating LiFePO₄ Battery ⚡🔋
Smart power designed for all-season performance and seamless system integration.

🚀 Key Features:
✅ 12.8V 140Ah High Capacity – reliable, long-lasting energy
✅ Self-Heating Technology – stable charging in cold environments ❄️
✅ CANBus Communication – smooth integration with Victron systems
✅ NMEA2000 Compatible – perfect for marine displays & monitoring
✅ Advanced LiFePO₄ Chemistry – safe, efficient, and long cycle life
✅ Smart BMS Protection – full control of voltage, current & temperature

⚓ Ideal for marine, RV, off-grid, and solar energy systems requiring intelligent and dependable power.

Smarter integration. Stronger performance. Built for every condition. ⚡

👉 Explore our products: https://appbattery.com/product/12-8v-140ah-lithium-battery/

30/04/2026

28/04/2026

Real Application | E&J 12.8V 180Ah LiFePO4 on a Dufour 390 Sailboat

A customer recently upgraded their 2020 Dufour 390 sailboat from two 105Ah lead-acid batteries to E&J 12.8V 180Ah LiFePO4 batteries — and the results speak for themselves.

The challenge:
Limited battery space and insufficient capacity for offshore trips longer than one day.

The solution:
By installing two E&J 180Ah LiFePO4 batteries, the customer significantly increased usable energy while staying within the same installation footprint.

At the same time, the system was upgraded with:
• Solar panels
• DC-DC charger (engine charging)
• Multi-inverter (shore power charging)
• Full system integration via Victron Cerbo GX
• Monitoring through NMEA2000 network to a Raymarine display

The result:
Reliable, high-capacity power system with full visibility of charging, load, and battery status — enabling longer and more confident offshore sailing.

A great example of how compact, high-density lithium solutions can transform real-world marine applications.

👉 Explore our products: https://appbattery.com/product/12v-180ah-group-49-lifepo4-battery/

24/04/2026

🚗🔋 Group 48 (H6) Lithium Car Battery — 12V 50Ah 700CCA Dual Purpose LiFePO₄ 🔋🚗

Power your drive with a high-performance dual-purpose lithium battery designed for both engine starting and deep cycling.

⚡ Key Features:
✅ 700 CCA – strong, reliable engine starting
✅ 12V 50Ah (640Wh) – stable power for auxiliary loads
✅ Group 48 / H6 Size – OEM-fit replacement for many vehicles
✅ Dual Purpose Design – starting + cycling in one battery
✅ LiFePO₄ Technology – safer, lighter, and longer lifespan
✅ Smart BMS Protection – full safety for voltage, current & temperature

Perfect for cars, vans, RVs, and marine applications needing both starting power and energy storage.

Start strong. Power more. Drive smarter. ⚡

👉 Explore our products: https://appbattery.com/product/group-48-lithium-battery/

14/04/2026

🔋⚡ Group 27 | 48V 25Ah LiFePO₄ Battery ⚡🔋
Compact size. Smart power. Built for modern energy systems.

🚀 Key Features:
✅ 48V 25Ah Configuration – efficient high-voltage power output
✅ Group 27 Size – versatile and easy to integrate
✅ CANBus Communication – seamless system compatibility
✅ Bluetooth Monitoring – real-time battery data via mobile app
✅ LiFePO₄ Technology – safe, stable, and long cycle life
✅ Smart BMS Protection – full safety and performance optimization

Perfect for electric mobility, solar systems, marine, and off-grid applications requiring compact yet powerful energy solutions.

Small footprint. Smart features. Reliable performance. ⚡

👉 Explore our products: https://appbattery.com/product/48v-25ah-lithium-battery/ #

Address

Block B, Juhao International Building, Donghuan 2nd Road, Longhua
Shenzhen
518000

Opening Hours

Monday	09:00 - 18:00
Tuesday	09:00 - 18:00
Wednesday	09:00 - 18:00
Thursday	09:00 - 18:00
Friday	09:00 - 18:00
Saturday	09:00 - 18:00

Telephone

86-755-23762949

Website

https://www.appbattery.com/

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