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Deal.ai › Kingboss › Batteries
Kingboss
Kingboss 12V 100Ah LiFePO4 Battery with 100A Smart BMS, Low-Temp Protection, Group 31 Deep Cycle Lithium Battery

Kingboss 12V 100Ah LiFePO4 Battery with 100A Smart BMS, Low-Temp Protection, Group 31 Deep Cycle Lithium Battery

5(1 rating)

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$165.00at WalmartChecked Nov 9

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Price facts

  • Last seen at $165.00 at Walmart on Nov 9.

Our take on the Kingboss 12V 100Ah LiFePO4 Battery with 100A Smart BMS, Low-Temp Protection, Group 31 Deep Cycle Lithium Battery

The Kingboss 12V 100Ah is a lithium iron phosphate deep-cycle battery in a Group 31-compatible case, with a built-in 100A smart BMS and low-temperature charge cut-off. It is rated for up to 8,000 cycles and a lifespan of up to 10 years, and it weighs far less than a comparable lead-acid battery, with a carry handle for moving it. It suits trolling motors, RVs, campers, boats, solar and off-grid setups, and home backup. Against lead-acid rivals it offers more usable capacity, more cycles and no maintenance; against premium lithium brands it is a budget option, so the BMS and cold-weather behavior are the things to weigh.

Best forRV, camper and van house powerTrolling motor and boat useSolar and off-grid storageHome backup power
Pros
  • Much lighter than an equivalent lead-acid battery
  • Built-in 100A BMS guards against overcharge, over-discharge, over-current, overheating and shorts
  • Low-temperature cut-off blocks unsafe charging in cold conditions
  • Rated up to 8,000 cycles and up to 10 years of life
  • Group 31-compatible case with a carry handle
Cons
  • Low-temp protection cuts charging, so cold-weather charging needs care
  • Budget-brand BMS and cell quality are less proven than premium lithium brands
  • No Bluetooth or app monitoring mentioned
  • Charging profile must match LiFePO4, not lead-acid settings

Kingboss 12V 100Ah LiFePO4 Battery with 100A Smart BMS, Low-Temp Protection, Group 31 Deep Cycle Lithium Battery prices at every store

  • WalmartNew

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

    $165.00Free shippingChecked Nov 9
    Visit Walmart

About the Kingboss 12V 100Ah LiFePO4 Battery with 100A Smart BMS, Low-Temp Protection, Group 31 Deep Cycle Lithium Battery

This is a 12V 100Ah LiFePO4 deep cycle battery in a compact Group 31-compatible size. It is much lighter than a traditional storage battery, which makes it easier to install and carry. A handle is built in.

A smart 100A BMS protects the battery against overcharge, over-discharge, over-current, overheating and short circuits. A low-temperature cut-off helps prevent unsafe charging or discharging in cold conditions.

The battery is rated for up to 8,000 cycles and up to a 10-year lifespan. It can power trolling motors, RVs, campers, vans, trailers, motorhomes, boats and solar systems. It also suits camping, off-grid living and home energy storage or backup, and can run lighting, electronics and small appliances.

Voltage
12V
Capacity
100Ah
Chemistry
LiFePO4 (lithium iron phosphate)
Size
Group 31-compatible
BMS
Smart 100A BMS
Protection
Overcharge, over-discharge, over-current, overheating, short circuit, low-temperature cut-off
Cycle life
Up to 8,000 deep cycles
Lifespan
Up to 10 years
Features
Built-in handle
Uses
Trolling motors, RVs, campers, boats, solar systems, off-grid power, home backup

Questions and answers

How does this compare with a lead-acid battery of the same rating?
It weighs much less, delivers more usable capacity and is rated for up to 8,000 cycles instead of a few hundred. It also needs no watering or equalizing. The trade-off is a higher upfront cost and a charger set for lithium.
Can I charge it in freezing weather?
The low-temperature cut-off stops charging when it gets too cold, which protects the cells. Discharging in cold is less restricted, but check the BMS limits before relying on it below freezing.
What can a 100A BMS run?
It supports continuous loads up to about 100A, enough for most RV, trolling motor and inverter setups in the 1,000W class. Large inverters or combined heavy loads can trip it.
Does it fit a standard Group 31 tray?
The case is Group 31-compatible, so it drops into most trays sized for that group. Measure your compartment and terminals before ordering.
What charger should I use?
Use a LiFePO4-compatible charger with the correct voltage profile. A lead-acid charger can leave it undercharged or overcharge it.
Is it worth it over a cheaper lead-acid battery?
If you cycle it often, the longer rated life and lighter weight usually pay off over time. For occasional light use, a lead-acid battery can still be the simpler choice.
Where is the Kingboss 12V 100Ah LiFePO4 Battery with 100A Smart BMS, Low-Temp Protection, Group 31 Deep Cycle Lithium Battery cheapest?
At Walmart, for $165.00, as of our latest check.
What do buyers say about the Kingboss 12V 100Ah LiFePO4 Battery with 100A Smart BMS, Low-Temp Protection, Group 31 Deep Cycle Lithium Battery?
Rated 5 out of 5 from 1 ratings.

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