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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
Humsienk 12V 300Ah LiFePO4 Battery
20.51 x 9.37 x 8.57 in | 61.73 lbs
- 3X Energy Density of Lead-Acid: One 12V 300Ah replaces three 12V 100Ah – more power, less space.
- 6,000+ Cycles at 80% DOD: Lasts 4–5× longer than lead-acid – maintenance-free for 10+ years.
- 200A Continuous BMS Output: Runs trolling motors, RV AC, fridge, and inverter simultaneously – no voltage sag.
- IP65 Waterproof & Wide Temperature Range: Dust-tight, water-resistant – operates from -20°C to 60°C (-4°F to 140°F).
- 200A BMS Safety Protection: Over-charge, over-discharge, short circuit, and thermal protection.
- 5-Hour Fast Charging: Compatible with solar, generator, or shore power.
- Reinforced Overcurrent Protection: Advanced BMS with overcurrent cutoff – safe for inverters, AC, and motors. No sudden shutdowns during surges.
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Special Add-Ons
Humsienk 12V 60A AC-DC LiFePO4 Battery Charger
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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
Humsienk 12V 300Ah LiFePO4 Battery – 3840Wh, 200A BMS
This 3840Wh lithium battery features a 200A intelligent BMS for full protection. With 6,000+ deep cycles and a maintenance‑free design, it’s the ideal drop‑in upgrade for RVs, boats, cabins, and off‑grid systems.
Mechanical | Shell Type ABS | Size 521.51×238.01×220.73(mm)/20.53×9.37×8.69(inch) |
Weight 28.6kg±3%/63.05lb±3% | Nominal Voltage 12.8V | |
Nominal Capacity 300Ah | Energy 3840Wh | |
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 60A |
Max. Continuous Charge Current 200A | Discharge Recommended Current 150A | |
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 300Ah
×1
User Manual
×1
M8 Terninal Bolts
×2
Plastic Insulation Caps
×2
Product Documents
12V 300Ah
User Manual & Specification Sheet · English PDFs
