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Aegis
Aegis 12V LiFePO4 Battery

Aegis 12V LiFePO4 Battery

Best price now

$174.99at Aegis BatteryObserved at 8:33 PM

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Our take on the Aegis 12V LiFePO4 Battery

The Aegis 12V 7Ah LiFePO4 battery is a small sealed lithium-iron-phosphate pack with a built-in BMS, sized to replace a 12V 7Ah lead-acid block in backup and solar setups. It weighs 2.2 lbs and measures 3.6 x 2.8 x 4.0 in, and it ships with a charger. At $174.99 at Aegis Battery as of November 5, 2026, it is the only new price listed, so there is no recent range to compare it against.

Best forReplacing a 12V 7Ah sealed lead-acid batterySmall solar and off-grid lighting setupsAlarm panels and backup power boxesPortable 12V devices and pumps
Pros
  • LiFePO4 chemistry is lighter and longer-cycling than lead-acid at the same 7Ah rating
  • Built-in BMS protects against overcharge, over-discharge and short circuits
  • 2.2 lbs makes it easy to carry and swap
  • Charger included, so no separate purchase to get started
  • Compact footprint fits most 12V 7Ah battery compartments
Cons
  • 7Ah is small; it will not run a fridge or large inverter for long
  • Only one store lists it new, so there is no price competition
  • $174.99 is high for 7Ah of capacity compared with lead-acid
  • No Bluetooth or app monitoring of state of charge

Aegis 12V LiFePO4 Battery prices at every store

  • Aegis BatteryNew

    In stock

    $174.99Observed at 8:33 PM
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Aegis 12V LiFePO4 Battery price history

Lowest price we've seen: $174.99 on Nov 6 at Aegis Battery. Tracked across 1 store since Nov 6.

Specifications

Battery Capacity
7Ah
Compatibility
battery backup, portable devices, solar
Voltage
12V
Amp Hours
7Ah
Battery Chemistry
LiFePO4
Battery Type
LiFePO4
Battery Material
LFP cells
Dimensions
3.6 in. x 2.8 in. x 4.0 in.
Weight
2.2 lbs (1.0 kgs)
Included Charger
Yes
Included Count
1

Questions and answers

Is this a drop-in replacement for a 12V 7Ah lead-acid battery?
Usually yes. It matches the 12V, 7Ah rating and the common 3.6 x 2.8 x 4.0 in block size, but check your device's charging voltage, since LiFePO4 wants a lithium charge profile.
What can a 7Ah 12V battery actually run?
About 84Wh of energy. That covers alarm panels, small lights, routers and short pump runs, not a fridge or a large inverter.
Does it come with a charger?
Yes, one charger is included in the box.
How long will it last?
LiFePO4 cells typically deliver several thousand charge cycles, far more than lead-acid, but life depends on depth of discharge and temperature.
Is $174.99 a good price?
It is the only new price listed as of November 5, 2026, at Aegis Battery, so there is nothing to compare it to. You are paying for lithium chemistry and the included charger, not for a discount.
Can I use it in cold weather?
LiFePO4 should not be charged below freezing. Check whether this model's BMS blocks cold charging before using it outdoors in winter.
Where is the Aegis 12V LiFePO4 Battery cheapest?
At Aegis Battery, for $174.99, as of our latest check.