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Local Free & Fast Delivery
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24/7 Online Support
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30-Day Return & Refund
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5-Year Free Wararnty
- Low-temp Cutoff
- Smart Bluetooth
Humsienk 12V 240Ah Bluetooth LiFePO4 Batttery with 200A BMS
20.5 x 9.4 x 8.7 in | 65.12 lbs
- EV-Grade Cells — 6000+ cycles (80% DOD), up to 10-year lifespan, far exceeding lead-acid batteries.
- 3072Wh Powerful Energy — Provides ultra-long runtime, eliminating frequent recharging needs.
- 2560W Continuous Output — 200A high current delivers up to 2560W, easily powering high-load devices.
- Smart 200A BMS Protection — Over-charge, over-discharge, over-current, high/low-temperature, and short-circuit protection for full safety.
- Bluetooth Connectivity — Monitor battery status in real time via the app—clear and intuitive battery status at a glance.
- Low-Temperature Protection — Automatically stops charging/discharging at low temperatures to prevent cell damage and degradation.
- Max 4S4P Expansion — Up to 49.152kWh energy and 40.96kW continuous output.
- All-Weather Operation — Safe operation from -4°F to 149°F, IP65 rating for harsh environments.
- Wide Applications — RVs, trolling motors, boats, and off-grid systems—one battery meets all needs.
- Professional Certification — IEC, FCC, EMC, RoHS, CE, and UN38.3 certified.
Special Add-Ons
Humsienk 12V 20A AC-DC LiFePO4 Battery Charger
Humsienk 350A Battery Monitor
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Local Free & Fast Delivery
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24/7 Online Support
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30-Day Return & Refund
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5-Year Free Wararnty
12V 240Ah LiFePO4 Battery – 20% More Energy with the Same Portability
Upgrade your RV power system with our 12V 240Ah LiFePO4 lithium battery. Offering 3072Wh massive energy storage, it delivers 20% more usable capacity than standard 200Ah batteries without taking up extra space. Enjoy extended off-grid adventures and reliable power wherever you roam.
200A
BMS
200A
Continuous
6,000+
Continuous
Mechanical | Shell Type ABS | Size 521.51 x 238.01 x 220.3 mm / 20.53 x 9.37 x 8.67 in |
Weight 29.8kg±3%/65.7lbs±3% | Nominal Voltage 12.8V | |
Nominal Capacity 240Ah | Energy 3072Wh | |
Electrical Characteristics | Terminal M8 | Cycle Life 6,000@DOD80% |
Months Self Discharge s3%/Month | Efficiency Of Charge 100%@0.2C | |
Efficiency Of Discharge 96~99%@0.5C | Charge Voltage 14.4V+0.2V | |
Standard Charge/Discharge | Charge Mode CC/CV | Charge Recommended Current 48A |
Max. Continuous Charge Current 200A | Discharge Recommended Current 120A | |
Max. Continuous Discharge Current 200A | Discharge Cut-Off Voltage 10V | |
Charge Temperature 32°F~131°F/0℃C~55°C | Discharge Temperature -4°F~140°F/-20°C~60°C | |
Environmental | Storage Temperature 32°F~113°F/0°C~45°C | Ingress Protection Rating IP65 |
Package List & Data Sheet
What's in the Box
12V 240Ah
×1
User Manual
×1
M8 Terminal Bolts
×2
Plastic Insulation Caps
×2
Product Documents
12V 240Ah
User Manual & Specification Sheet · English PDFs
Which Humsienk Battery Fits Your Setup?
Compare across the 12V range to find the right capacity for your system.
| Product |
12V 200AhBasic |
12V 240AhBasic |
12V 300AhBasic |
12V 314AhMini |
| Capacity | 2560Wh | 3.07kWh | 3840Wh | 4.01kWh |
| Dimensions | 19.0 x 9.4 x 6.7 in | 20.5×9.4×8.7 in | 20.51 x 9.37 x 8.57 in | 15.08 x 7.60 x 8.66 in |
| Weight | 45.2 lbs | 65.12 lbs | 61.73 lbs | 58.42 lbs |
| BMS Current | 200A | 200A | 200A | 200A |
| Bluetooth | ||||
| Max Power | 2560W | 2560W | 2560W | 2560W |
| IP Rating | IP65 | IP65 | IP65 | IP65 |
| Best Application | RV, Trolling Motor, Home Storage | RV, Trolling Motor, Home Storage | RV, Trolling Motor, Home Storage | RV, Trolling Motor, Home Storage |
| Price (USD) | $349.99 USD | $369.99 USD | $389.99 USD | $459.99 USD |
Frequently Asked Questions
Yes! The Humsienk 12V 240Ah LiFePO4 battery is designed as a direct drop-in replacement for lead-acid batteries in RVs, campers, and marine setups. Measuring 20.5 x 9.4 x 8.7 inches and weighing only 65.12 lbs, it is 50% lighter and 30% more compact, allowing you to replace two heavy lead-acid batteries with just one unit in under 10 minutes while gaining 20% more usable energy (3072Wh).
Equipped with a Smart 200A BMS protection system, this battery delivers up to 2560W continuous high-power output. It effortlessly runs heavy-load AC and DC appliances, including 1000W RV air conditioners, 800W hair dryers, 700W coffee machines, and car refrigerators, making it the ultimate 12V deep cycle lithium battery for RV and off-grid living.
You can monitor state-of-charge (SOC), voltage, current, and cell temperature in real time using our smart Bluetooth LiFePO4 battery app on your phone. Built with an IP65 waterproof and dustproof enclosure, the battery operates safely in extreme temperatures from -4°F to 149°F (-20°C to 65°C), featuring low-temperature cut-off protection to prevent cell degradation.
The battery supports 3 flexible charging methods and can be fully recharged in just 4 hours using a 12V 60A dedicated LiFePO4 charger, a 60A MPPT solar panel controller, or an AC/DC generator setup. This makes it an ideal choice for off-grid solar energy storage systems and boondocking adventures.
Absolutely. This battery supports up to 4S4P max expansion (4 in series and 4 in parallel), enabling you to build a massive 49.152kWh DIY energy system with 40.96kW continuous output. It is perfect as a 12V trolling motor lithium battery or a complete home energy storage system for emergency power backup.
