Any tips for connecting batteries in series or parallel?

Yes – fully charge each battery first. Use the same brand, model, capacity, and BMS, and buy them within 3–6 months of each other. For multiple connections, use a bus bar.

Can I use the battery right after delivery?

For shipping safety, it comes with ≤40% charge. Fully charge it before first use.

Can I use this battery on a boat?

Yes, as a service battery for things like a fridge or coffee maker. Keep it dry and away from water. Not for starting engines or trolling motors.

Can I charge or discharge it in cold weather?

Discharge works from -4°F (-20°C) to 140°F (60°C). But never charge below 32°F (0°C) – it damages the cells. The BMS will block charging. In winter, bring it indoors above 41°F (5°C) before charging.

Does the package include a LiFePO4 charger?

No. Please use only a dedicated 14.6V LiFePO4 smart charger. Using a regular lead-acid or other lithium charger can damage the battery.

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Dumfume 24V 100Ah LiFePO4 Battery Built-in 100A BMS | 25.6V Lithium Battery,Low Temperature Protection,2560W Power Output,15000+ Deep Cycles for RV,Marine,Solar,Off-Grid Systems

Product ID: 708457374

Details

Battery Capacity
100 amp_hours
Battery Cell Composition
Lithium
Brand
dumfume
Item Weight
41.7 pounds
Product Dimensions
20.91"D x x
Size

⚡2560W Continuous Power

🔋100Ah High Capacity

🛡️100A Built-in BMS Protection

$1244.13

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Description

⚡ Power Your Freedom with Next-Gen Lithium Energy!

POWER THAT LASTS - Delivering 2.56kWh energy with 15000+ deep cycles, this battery outperforms traditional lead-acid alternatives for a decade of reliable use.
SMART SAFETY FIRST - Integrated 100A Battery Management System shields against overcharge, over-discharge, and short circuits, ensuring peace of mind in every charge.
LIGHTWEIGHT PORTABLE - At just 41.7 lbs, it’s one-third the weight of lead-acid batteries—perfect for RVs, solar setups, and on-the-go power needs.
OPTIMIZED FOR STABILITY - Higher voltage system (25.6V) reduces wiring complexity and boosts stable power output, saving you time and installation costs.
SCALABLE ENERGY SOLUTION - Supports series and parallel connections up to 2S4P, making it ideal for expanding your off-grid or backup power system effortlessly.

The Dumfume 24V 100Ah LiFePO4 Battery combines high energy density and advanced 100A BMS protection to deliver 2560W continuous power. Lightweight and scalable, it supports up to 15000+ deep cycles, making it an ideal, long-lasting energy storage solution for RVs, solar off-grid systems, and home backup power. Engineered for stability and safety, this battery offers a decade of reliable performance with low temperature protection and easy installation.

Specifications

ASIN	B0DKM3L5ZC
Automotive Fit Type	Universal Fit
Battery Capacity	100 amp_hours
Battery Type	Lithium Polymer
Best Sellers Rank	#7,080 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #42 in Automotive Replacement Batteries #52 in Solar & Wind Power
Brand Name	dumfume
Compatible with Vehicle Type	RV, Van, Solar, System, Boat, Truck
Customer Reviews	4.4 4.4 out of 5 stars (732)
Item Dimensions D x W x H	20.91"D x 8.11"W x 8.56"H
Item Weight	41.7 pounds
Manufacturer	dumfume
Manufacturer Part Number	DFBattery-100A
Manufacturer Warranty Description	5 Year Manufacturer
Model Number	25.6V 100AH
Size	(21.06×8.07×8.46)24V100AH
Terminal	Marine Terminal
Unit Count	1 Count
Voltage	25.6 volts

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