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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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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12V 100Ah LiFePO4 Lithium Battery Group 31 Rechargeable Battery

Product ID: 865197528

Details

Brand
dumfume
Size
Terminal
m8
Vehicle service type
RV
Voltage
12 Volts

⚡1.28kWh energy capacity

🪶2/3 lighter than AGM batteries

🛡️Built-in 100A BMS protection

Description

🔋 Power your freedom with lightweight, long-lasting energy!

RUGGED READY - Durable ABS casing resists dust and weather, built for indoor/outdoor adventures.
COMPACT POWERHOUSE - 25% smaller footprint, perfect for tight spaces and sleek setups.
PLUG PLAY UPGRADE - Seamlessly replaces lead-acid batteries with no rewiring needed—clean energy made easy.
LONG LASTING DURABILITY - Up to 15,000 cycles at 60% depth of discharge for years of reliable use.
ULTRA LIGHTWEIGHT ENERGY - Weighs just 21.6 lbs—carry 2/3 less weight without sacrificing power.

The DUNFUME 12.8V 100Ah LiFePO4 lithium battery delivers 1.28kWh of high-density energy in a compact, 25% smaller design. Weighing only 21.6 lbs, it’s 2/3 lighter than traditional AGM batteries, making it ideal for RVs, campers, solar, and off-grid systems. Featuring a built-in 100A Battery Management System, it offers advanced protection and an impressive lifespan of up to 15,000 cycles. Its durable ABS casing ensures reliable performance in diverse environments, providing a hassle-free, drop-in replacement for lead-acid batteries.

Specifications

ASIN	B0F4MJKYXC
Brand Name	dumfume
Compatible with Vehicle Type	RV
Customer Reviews	4.6 4.6 out of 5 stars (60)
Item Highlight	Built-in 100A BMS, 15000+ Cycles 1280Wh Perfect for RVs MotorHomes, Camper, Solar System, Marine,Off-Grid
Manufacturer	dumfume
Manufacturer Part Number	1 PCS 12.8V 100AH
Model Number	12.8V 100AH
Number of Items	1
Size	(13x6.69x8.62)12V100AH
Terminal	m8
Voltage	12 Volts

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