popularWoodSlayR posted Jan 08, 2026 11:51 PM
Item 1 of 2
Item 1 of 2
popularWoodSlayR posted Jan 08, 2026 11:51 PM
Dumfume 12V 600Ah Deep Cycle Rechargeable LiFePO4 Battery 5 $529.15
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use code DUM05 for 5% off for 529.15 total and free shipping.
For what it's worth, the reviews and teardowns of this battery on YouTube all check out good for build quality and tests well over rated capacity. Also, even though it's not advertised as a small form factor, its using the new mini size standard and is exactly the size of 2 mini form factor 300Ah batteries from other brands.
Massive Energy Storage – 12V 600Ah capacity with 7680Wh energy output.
Ultra-Long Lifespan – Up to 15,000 Cycles at 60% DOD, 8000 Cycles at 80% DOD, 4000 Cycles at 100% DOD.
200A Built-in BMS – Full protection system with Grade A LiFePO4 cells.
Lightweight Design – Only 111 lbs, about half the weight of equivalent lead-acid batteries.
All-Weather Performance – Works reliably from -20°C to 60°C, with low temperature cut-off.
Fast AC Charging – AC to 12V charging system for efficient full charge.
Expandable System – Supports up to 4S4P connections for larger setups.
Wide Applications – Ideal for RVs, solar energy systems, marine, off-grid homes, and backup power.
Certified & Guaranteed – 5-year warranty, UL, CE, FCC, UN38.3, and RoHS certified.
https://dumfume.cn/collections/cl...o4-battery
For what it's worth, the reviews and teardowns of this battery on YouTube all check out good for build quality and tests well over rated capacity. Also, even though it's not advertised as a small form factor, its using the new mini size standard and is exactly the size of 2 mini form factor 300Ah batteries from other brands.
Massive Energy Storage – 12V 600Ah capacity with 7680Wh energy output.
Ultra-Long Lifespan – Up to 15,000 Cycles at 60% DOD, 8000 Cycles at 80% DOD, 4000 Cycles at 100% DOD.
200A Built-in BMS – Full protection system with Grade A LiFePO4 cells.
Lightweight Design – Only 111 lbs, about half the weight of equivalent lead-acid batteries.
All-Weather Performance – Works reliably from -20°C to 60°C, with low temperature cut-off.
Fast AC Charging – AC to 12V charging system for efficient full charge.
Expandable System – Supports up to 4S4P connections for larger setups.
Wide Applications – Ideal for RVs, solar energy systems, marine, off-grid homes, and backup power.
Certified & Guaranteed – 5-year warranty, UL, CE, FCC, UN38.3, and RoHS certified.
https://dumfume.cn/collections/cl...o4-battery
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Deal Details
Community Notes
About the Poster
use code DUM05 for 5% off for 529.15 total and free shipping.
For what it's worth, the reviews and teardowns of this battery on YouTube all check out good for build quality and tests well over rated capacity. Also, even though it's not advertised as a small form factor, its using the new mini size standard and is exactly the size of 2 mini form factor 300Ah batteries from other brands.
Massive Energy Storage – 12V 600Ah capacity with 7680Wh energy output.
Ultra-Long Lifespan – Up to 15,000 Cycles at 60% DOD, 8000 Cycles at 80% DOD, 4000 Cycles at 100% DOD.
200A Built-in BMS – Full protection system with Grade A LiFePO4 cells.
Lightweight Design – Only 111 lbs, about half the weight of equivalent lead-acid batteries.
All-Weather Performance – Works reliably from -20°C to 60°C, with low temperature cut-off.
Fast AC Charging – AC to 12V charging system for efficient full charge.
Expandable System – Supports up to 4S4P connections for larger setups.
Wide Applications – Ideal for RVs, solar energy systems, marine, off-grid homes, and backup power.
Certified & Guaranteed – 5-year warranty, UL, CE, FCC, UN38.3, and RoHS certified.
https://dumfume.cn/collections/cl...o4-battery
For what it's worth, the reviews and teardowns of this battery on YouTube all check out good for build quality and tests well over rated capacity. Also, even though it's not advertised as a small form factor, its using the new mini size standard and is exactly the size of 2 mini form factor 300Ah batteries from other brands.
Massive Energy Storage – 12V 600Ah capacity with 7680Wh energy output.
Ultra-Long Lifespan – Up to 15,000 Cycles at 60% DOD, 8000 Cycles at 80% DOD, 4000 Cycles at 100% DOD.
200A Built-in BMS – Full protection system with Grade A LiFePO4 cells.
Lightweight Design – Only 111 lbs, about half the weight of equivalent lead-acid batteries.
All-Weather Performance – Works reliably from -20°C to 60°C, with low temperature cut-off.
Fast AC Charging – AC to 12V charging system for efficient full charge.
Expandable System – Supports up to 4S4P connections for larger setups.
Wide Applications – Ideal for RVs, solar energy systems, marine, off-grid homes, and backup power.
Certified & Guaranteed – 5-year warranty, UL, CE, FCC, UN38.3, and RoHS certified.
https://dumfume.cn/collections/cl...o4-battery
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Sign up for a Slickdeals account to remove this ad.
https://www.youtube.com/watch?v=9gLIv7w
but for that purpose I probably need a much smaller cheaper one in the future
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