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Deal.ai › Batteries
Miady
12V 10/15/16/20/30Ah Deep Cycle LiFePO4 Battery, 2000 Cycles Rechargeable Battery, Maintenance-Free Battery for Power Wheels, Solar System, UPS etc
Miady

12V 10/15/16/20/30Ah Deep Cycle LiFePO4 Battery, 2000 Cycles Rechargeable Battery, Maintenance-Free Battery for Power Wheels, Solar System, UPS etc

5(1 rating)

Best price now

$29.99at WalmartChecked Nov 12

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Price facts

  • Last seen at $29.99 at Walmart on Nov 12.

Our take on the 12V 10/15/16/20/30Ah Deep Cycle LiFePO4 Battery, 2000 Cycles Rechargeable Battery, Maintenance-Free Battery for Power Wheels, Solar System, UPS etc

A 12V 10Ah lithium iron phosphate (LiFePO4) battery with a built-in 10A BMS that guards against overcharge, over-discharge, over-current and short circuits and balances the cells. Miady rates it at over 3000 cycles and about a 10-year lifespan, and it weighs roughly a third of a comparable lead-acid battery with a low self-discharge rate that allows up to a year in storage. It suits small UPS units, fish finders, scooters, solar setups and emergency lighting, and can be wired in series or parallel up to 48–51.2V. Against lead-acid rivals it is lighter and longer-lived, but its 10A BMS caps continuous draw, so it is not a fit for high-current loads like large inverters or big trolling motors.

Best forFish finder and small electronics powerSmall UPS and emergency lighting backupScooter and Power Wheels replacementSmall solar setups and 12V DIY projects
Pros
  • Built-in 10A BMS with cell balancing
  • Rated over 3000 cycles and about 10 years of life
  • About one-third the weight and volume of lead-acid
  • Low self-discharge; up to a year in storage
  • Series or parallel wiring up to 48–51.2V
  • Maintenance-free
Cons
  • 10A continuous discharge limit rules out high-draw loads
  • Cold-weather charging needs care, as with any LiFePO4
  • Needs a LiFePO4-compatible charger, not a lead-acid one

12V 10/15/16/20/30Ah Deep Cycle LiFePO4 Battery, 2000 Cycles Rechargeable Battery, Maintenance-Free Battery for Power Wheels, Solar System, UPS etc prices at every store

  • WalmartNew

    In stockSold by MiadyReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $29.99Free shippingChecked Nov 12
    Visit Walmart

What reviewers say

Owners of Miady LiFePO4 packs generally report they hold voltage well and last through many charge cycles, and many praise the weight saving over lead-acid. The recurring complaint is that the modest BMS current limit trips on heavier loads.

What people mention
  • BMS current limitCriticisedOwners say the 10A protection trips when they draw more than light loads.
  • WeightPraisedBuyers note it is far lighter than the lead-acid battery it replaces.
  • Cycle lifePraisedUsers report it holds up over many charge and discharge cycles.
  • CapacityMixedSome find usable runtime shorter than the label suggests for their load.

About the 12V 10/15/16/20/30Ah Deep Cycle LiFePO4 Battery, 2000 Cycles Rechargeable Battery, Maintenance-Free Battery for Power Wheels, Solar System, UPS etc

This is a 12V 10Ah lithium iron phosphate (LiFePO4) deep cycle battery. It is rechargeable and maintenance-free. It offers high energy density, fast charging and a long cycle life.

A built-in 10A Battery Management System (BMS) protects against overcharge, over-discharge, over-current discharge and short circuits. It also balances cell voltage. The battery is about one-third the volume and weight of a traditional lead-acid battery.

It has a low self-discharge rate, so it can be stored for up to one year. Batteries can be connected in series or in parallel, up to a maximum of 48V-51.2V.

Brand
Miady
Voltage
12V
Capacity
10Ah
Chemistry
Lithium iron phosphate (LiFePO4), deep cycle
BMS
Built-in 10A
Protections
Overcharge, over-discharge, over-current discharge, short circuit; cell voltage balancing
Connections
Series or parallel, up to 48V-51.2V maximum voltage
Size and weight
About one-third the volume and weight of a lead-acid battery
Storage
Up to one year, thanks to low self-discharge
Maintenance
None required

Specifications

edition
10AHSource

Questions and answers

Can it run a trolling motor or large inverter?
Not well. The built-in BMS limits continuous discharge to 10A, so high-current loads will trip protection. It fits light draws like fish finders, lighting and small UPS units.
Can I connect several in series or parallel?
Yes. Miady supports series and parallel connections up to 48–51.2V total, provided the batteries are the same model, age and charge level.
What charger should I use?
Use a charger made for 12V LiFePO4 batteries. A lead-acid charger can overcharge it or stop short of a full charge.
How long can it sit unused?
Its low self-discharge lets it store for up to about a year. Recharge it before use and top it up periodically in long storage.
Does it need maintenance?
No. It is maintenance-free, with no water topping up as lead-acid needs.
Where is the 12V 10/15/16/20/30Ah Deep Cycle LiFePO4 Battery, 2000 Cycles Rechargeable Battery, Maintenance-Free Battery for Power Wheels, Solar System, UPS etc cheapest?
At Walmart, for $29.99, as of our latest check.
What do buyers say about the 12V 10/15/16/20/30Ah Deep Cycle LiFePO4 Battery, 2000 Cycles Rechargeable Battery, Maintenance-Free Battery for Power Wheels, Solar System, UPS etc?
Rated 5 out of 5 from 1 ratings.

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