【Pre-Order】Humsienk 12V 300Ah 200A BMS LiFePO4 Battery with Bluetooth
🔥 Why Choose Humsienk 12V 300Ah LiFePO4 Battery with Bluetooth?
✅ More Power & Longer Life – Massive 3840Wh capacity, 15,000+ deep cycles, and EV-grade A+ LiFePO4 cells for superior durability and efficiency.
✅ Smart Bluetooth Monitoring – Track real-time battery status (voltage, current, cycle life, alarms, and protection states) via a mobile app for smarter energy management.
✅ Advanced 200A BMS Protection – Built-in 200A Smart BMS safeguards against overcharge, over-discharge, short circuits, and overheating, ensuring stable performance.
✅ Low-Temperature Protection – Operates in extreme conditions from -4°F to 158°F (-20°C to 70°C), with an automatic low-temp cutoff for enhanced battery safety.
✅ Expandable Energy Storage – Connect in series (up to 4S) or parallel (up to 4P) to achieve a massive 61.44kWh power system for off-grid, solar, or backup energy needs.
✅ Certified & Reliable – Complies with SDS, UN38.3, FCC, CE, ROHS, UL certifications for global safety and performance standards.
✅ Fast & Secure Delivery – Ships within 2-5 business days from local US warehouses (CA, GA, TX), backed by expert technical support and 24-hour customer service.
📌 Click "Description" below for full details! 🚀
🏆 Bluetooth Smart Control
Control and monitor your battery effortlessly via the dedicated mobile app. Compatible with Android 4.3+ and Bluetooth 4.0 devices, the app provides real-time data tracking, including voltage, charge/discharge status, and protection alerts. GPS permission is required for optimal Bluetooth connectivity.
📊 Real-Time Battery Health Monitoring
Gain complete visibility into your battery’s performance and safety. The app displays precise voltage levels for each cell, charge and discharge current, temperature alerts, and protection status, ensuring safe and efficient operation at all times.
🔋 Unmatched Power & Longevity
✔ 12.8V 300Ah Capacity – Delivers reliable, long-lasting power.
✔ 15,000+ Deep Cycles – Lasts 10X longer than traditional lead-acid batteries.
✔ EV-Grade A+ LiFePO4 Cells – Superior energy efficiency and safety.
✔ Certified Quality – SDS, UN38.3, FCC, CE, ROHS-approved.
🛡️ Next-Level Safety with 200A BMS
✔ Intelligent Battery Management System (BMS) – Protects against overcharging, over-discharging, overheating, and short circuits.
✔ Automatic Power Cutoff – Prevents damage if discharge current exceeds 300±50A.
✔ Stable & Reliable Performance – Ensures long-term durability in demanding applications.
❄️ Extreme Temperature Resistance
Built to withstand harsh weather conditions, this battery operates efficiently in temperatures ranging from -4℉ (-20℃) to 158℉ (70℃). Whether in freezing cold or scorching heat, your power supply remains stable and uninterrupted.
⚡ Expandable for Greater Energy Needs
✔ Supports Series & Parallel Connections – Easily scale your power system.
✔ Expandable Up to 40.96kWh – Connect up to 4S4P configurations for large-scale energy storage.
✔ Flexible Installation Options – Ideal for upgrading existing battery setups.
🚚 Fast, Reliable, and Hassle-Free Delivery
📦 Lightning-Fast Shipping – Enjoy 2-5 day delivery from our Los Angeles (CA), Georgia (GA), or Texas (TX) warehouses.
⚡ Dedicated Technical Support – Get expert one-on-one assistance with a 24-hour response guarantee.
🔥 Upgrade to Humsienk’s 12V 300Ah LiFePO4 Battery with Bluetooth Today and Power Your World Without Limits! 🚀
At Humsienk, we are committed to providing our customers with a smooth, efficient, and safe shipping experience.
Shipping Methods and Time
We offer two shipping methods to meet your needs, whether you're ordering a single battery or bulk quantities. All shipping is processed through reliable carriers, including UPS Ground & FedEx .
- Processing time: 1-2 business days
- Shipping time: 2-5 business days
The shipping will delay for some objective or uncontrolled reasons. We will notice our customer ahead for delays.
Please read our shipping policy page for more details.
Contact Us
If you have any questions or concerns about shipping, delivery, or the handling of your order, please don’t hesitate to reach out to our customer support team:
- Email: service@humsienk.com
- Phone: (+86)755 3452 3348
30-Day Return Policy
We want you to be completely satisfied with your Humsienk purchase. That's why we offer a hassle-free 30-day return policy.
Refunds:
Once we receive your approved return, we'll inspect the item and issue a full refund within 3 business days to your original payment method. Processing times by your bank or credit card company may apply.
Order Cancellation:
We typically process orders within 1-2 business days. To cancel an order, contact us as soon as possible at service@humsienk.com.
If the order has already shipped, we'll process a refund within 3 business days of receiving the returned product.
Contact Us:
For questions about our return policy or to initiate a return, please contact us at service@humsienk.com.
Tips: Please read our Return and Refund policy page for more details.
Humsienk 12V 300Ah LiFePO4 Battery with Bluetooth – Smarter Power, Greater Freedom
In the pursuit of unlimited energy, Humsienk was born from a simple yet powerful vision: to create more efficient, lighter, and longer-lasting power solutions. Traditional lead-acid batteries are heavy, short-lived, and slow to charge—limitations that no longer fit the demands of modern off-grid living, RV travel, marine use, and energy storage. We set out to break these boundaries with cutting-edge lithium technology that delivers unmatched durability and performance.
✅ More Energy, Longer Runtime – 3,840Wh capacity, 15,000+ deep cycles
✅ Smarter Power Management – 200A BMS with Bluetooth for real-time monitoring
✅ Lightweight Yet Mighty – 59.52 lbs, 70% lighter than lead-acid alternatives
✅ Scalable to 61.44kWh – Customize your energy storage to meet greater demands
✅ Certified & Trusted – SDS, UN38.3, FCC, CE, ROHS, UL
Advantage: More Power, More Control, More Reliability
1. More Usable Power vs. Lead-Acid & Standard LiFePO4 Batteries
✅ 3840Wh Capacity – Provides 2X the usable energy of a 300Ah lead-acid battery.
✅ 100% Depth of Discharge (DoD) – Unlike lead-acid batteries that only allow 50% usable capacity, you get the full 300Ah capacity without damaging the battery.
2. Bluetooth Smart Monitoring – Real-Time Battery Insights
✅ App-Controlled Battery Management – Monitor voltage, current, state of charge (SOC), and temperature from your smartphone.
✅ Instant Alerts & Protection – Detect issues like overcharging, over-discharging, and temperature extremes before they become a problem.
3. Built-in 200A BMS – Stronger, Safer Power Management
✅ Handles Heavy Loads – Supports up to 200A continuous discharge, perfect for high-power applications like RVs, off-grid solar, and marine systems.
✅ Low-Temperature Charging Protection – Prevents charging in freezing conditions to extend lifespan.
4. Ultra-Long Lifespan – Up to 15,000 Cycles
✅ 10X Longer Than Lead-Acid – Traditional batteries last 300-500 cycles, while Humsienk’s LiFePO4 lasts up to 15,000 cycles with proper care.
✅ Lower Cost Per Cycle – Delivers years of maintenance-free power without frequent replacements.
5. Lighter & More Compact for Easy Installation
✅ 59.52 lbs – 70% lighter than lead-acid batteries of similar capacity, reducing stress on vehicles and equipment.
✅ Compact Design – Fits standard battery compartments, making it a direct upgrade.
6. Expandable & Scalable for High-Energy Demands
✅ 4S4P Configuration – Expandable up to 61.44kWh for large-scale solar or off-grid setups.
✅ Parallel & Series Support – Easily increase voltage (up to 48V) or capacity for custom power solutions.
7. Certified for Safety & Reliability
✅ Certified for Global Use – SDS, UN38.3, FCC, CE, ROHS, UL
✅ IP65 Waterproof Rating – Designed for outdoor and marine environments.
Humsienk 12V 300Ah 200A BMS LiFePO4 Battery with Bluetooth - FAQ
Humsienk 12V 300Ah LiFePO4 battery provides 100% of its rated capacity, meaning you get the full 300Ah without voltage drops, unlike lead-acid batteries, which only allow 50% usable capacity.
✅ 10x longer lifespan – 15,000+ cycles vs. 300-500 cycles
✅ 70% lighter – 67.5 lbs vs. ~200 lbs (lead-acid equivalent)
✅ Faster charging – Charges up to 5x faster
✅ No maintenance required – No acid spills, no corrosion
✅ Higher efficiency – Consistent voltage output for stable power
🔹 Continuous discharge: 200A
🔹 Peak discharge: 300A (for 5-10 seconds)
🔹 Max charge current: 100A
🔹 Charging voltage: 14.2V - 14.6V
Yes! With a 200A continuous output, it supports:
✔️ RV power systems
✔️ Trolling motors (up to 100lbs thrust)
✔️ Off-grid solar energy storage
✔️ Backup power for home and business
📱 Real-time data tracking via a smartphone app, displaying:
✅ State of Charge (SOC%)
✅ Voltage, current, and power consumption
✅ Battery temperature and health status
✅ Protection & alarm notifications
Compatible with Android 4.3+ / iOS (Bluetooth 4.0+).
Absolutely! The built-in 200A Smart BMS provides:
✅ Overcharge & over-discharge protection
✅ Overcurrent & short circuit protection
✅ Low & high-temperature cutoff
✅ IP65 waterproof rating – Safe from dust, water splashes, and vibrations
✅ Operating temperature: -4°F to 158°F (-20°C to 70°C)
✅ Charging protection: Stops charging below 32°F (0°C) to prevent damage
✅ Works in hot climates: Automatically prevents overheating
Yes! You can connect up to:
🔹 4 batteries in series for a 48V system
🔹 4 batteries in parallel for 1200Ah capacity
Note: Always use identical batteries for best performance.
🚚 Fast delivery:2-5 business days from warehouses in CA, GA, TX
🔒 Warranty:5-year limited warranty + lifetime technical support