Item 1 of 3
Item 1 of 3
popularshivster1796 posted Aug 2, 2026 2:42 PM
Humsienk 12V 300Ah LiFePO4 Battery 3840Wh 200A BMS IP65 for RV Solar Marine $244.40 + Free Shipping
$244
$399
38% off
AliExpress
AliExpressDeal Details
Humsienk 12V 300Ah LiFePO4 Battery 3840Wh 200A BMS IP65 for RV Solar Marine $244.40 + Free Shipping
Humsienk via AliExpress. Ship from US warehouse.
Apply coupon YUSAF35 or USSR35 for $35 off at checkout.
Final Price: $244.40
Specs:
Capacity: 300Ah (3840Wh), Grade A+ LiFePO4 cells
Cycle Life: 6000+ cycles, 10+ years lifespan
BMS: 200A, full protection (over-current, over-charge, short circuit)
Temp Range: Charge 0-55°C, discharge -20-65°C, low-temp cutoff
Protection: IP65 waterproof, fire-retardant ABS shell
Expandable: Supports 4S4P, up to 61.44kWh max
Weight: 27kg, 40% lighter than lead-acid
Use: RV, solar, marine, off-grid, 5-year warranty
https://www.aliexpress.
Humsienk via AliExpress. Ship from US warehouse.
Apply coupon YUSAF35 or USSR35 for $35 off at checkout.
Final Price: $244.40
Specs:
Capacity: 300Ah (3840Wh), Grade A+ LiFePO4 cells
Cycle Life: 6000+ cycles, 10+ years lifespan
BMS: 200A, full protection (over-current, over-charge, short circuit)
Temp Range: Charge 0-55°C, discharge -20-65°C, low-temp cutoff
Protection: IP65 waterproof, fire-retardant ABS shell
Expandable: Supports 4S4P, up to 61.44kWh max
Weight: 27kg, 40% lighter than lead-acid
Use: RV, solar, marine, off-grid, 5-year warranty
https://www.aliexpress.
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Humsienk 12V 300Ah LiFePO4 Battery 3840Wh 200A BMS IP65 for RV Solar Marine $244.40 + Free Shipping
Humsienk via AliExpress. Ship from US warehouse.
Apply coupon YUSAF35 or USSR35 for $35 off at checkout.
Final Price: $244.40
Specs:
Capacity: 300Ah (3840Wh), Grade A+ LiFePO4 cells
Cycle Life: 6000+ cycles, 10+ years lifespan
BMS: 200A, full protection (over-current, over-charge, short circuit)
Temp Range: Charge 0-55°C, discharge -20-65°C, low-temp cutoff
Protection: IP65 waterproof, fire-retardant ABS shell
Expandable: Supports 4S4P, up to 61.44kWh max
Weight: 27kg, 40% lighter than lead-acid
Use: RV, solar, marine, off-grid, 5-year warranty
https://www.aliexpress.
Humsienk via AliExpress. Ship from US warehouse.
Apply coupon YUSAF35 or USSR35 for $35 off at checkout.
Final Price: $244.40
Specs:
Capacity: 300Ah (3840Wh), Grade A+ LiFePO4 cells
Cycle Life: 6000+ cycles, 10+ years lifespan
BMS: 200A, full protection (over-current, over-charge, short circuit)
Temp Range: Charge 0-55°C, discharge -20-65°C, low-temp cutoff
Protection: IP65 waterproof, fire-retardant ABS shell
Expandable: Supports 4S4P, up to 61.44kWh max
Weight: 27kg, 40% lighter than lead-acid
Use: RV, solar, marine, off-grid, 5-year warranty
https://www.aliexpress.
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7 Comments
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I went back and forth a lot between different brands and form factors (golf cart vs server rack vs wall mount). I ultimately settled with the golf cart since it was the best value per kwh with charger.
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