How much power does a 12V 30Ah battery hold?

About 384Wh, enough to run a 30W load for roughly 12 hours or a fish finder for a full day. High-draw devices drain it quickly.

Can I connect several together?

Yes. The battery supports up to 4 in parallel, 4 in series, or a 4P4S arrangement to build a 48V bank. Match voltage and charge level before connecting.

What charger should I use?

Use a LiFePO4-specific charger with a 14.4 to 14.6V absorption stage. A 10A charger refills it in about 3 hours.

Is it good for a trolling motor?

Only for small motors. The 30A BMS caps continuous output, so a motor drawing more than that will trip protection. Larger motors need a bigger battery.

Does it work in cold weather?

LiFePO4 cells lose capacity in freezing temperatures and should not be charged below 0°C. Check whether the BMS includes low-temperature cutoff before winter use.

What comes in the box?

The battery itself. Chargers and mounting hardware are usually sold separately.

What do buyers say about the DJLBERMPW 12V LiFePO4 Deep Cycle Lithium Battery?

Rated 5 out of 5 from 5 ratings.

DJLBERMPW 12V LiFePO4 Deep Cycle Lithium Battery

Best price now

$61.99at djdcpower.comChecked Nov 5

Prices are checked against each store and labelled with when.

Visit djdcpower.com

DJLBERMPW 12V LiFePO4 Deep Cycle Lithium Battery

Best price now

$61.99at djdcpower.comChecked Nov 5

Prices are checked against each store and labelled with when.

Visit djdcpower.com

Ask our agent about this product

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Price facts

Last seen at $61.99 at djdcpower.com on Nov 5.

Our take on the DJLBERMPW 12V LiFePO4 Deep Cycle Lithium Battery

The DJLBERMPW 12V 30Ah is a compact LiFePO4 deep-cycle battery rated at 384Wh, built from Grade-A prismatic cells with a 30A smart BMS. It weighs about 7.1 lbs, far less than a comparable lead-acid block, and can be wired in series or parallel up to 4P4S for a 48V bank. It suits small solar setups, trolling motors, fish finders, campers and backup power where a light, long-life pack matters more than raw capacity. Against better-known LiFePO4 brands it offers similar cell chemistry and cycle claims but less of a track record and fewer smart features such as Bluetooth monitoring.

Best forSmall solar and off-grid buildsKayak and small trolling motor powerFish finders and ice fishing electronicsCamping and portable backup power

Pros

Light at about 7.1 lbs for easy carrying
Grade-A prismatic LiFePO4 cells
30A BMS guards against overcharge and short circuits
Expandable to 4P4S for 48V systems
Long claimed cycle life of 4000 to 15000 cycles

Cons

30Ah is small for high-draw loads
30A BMS limits continuous output
No Bluetooth or app monitoring
Little independent test data on this brand

DJLBERMPW 12V LiFePO4 Deep Cycle Lithium Battery prices at every store

djdcpower.comNew
Availability unknown
$61.99Checked Nov 5
Visit djdcpower.com

DJLBERMPW 12V LiFePO4 Deep Cycle Lithium Battery price history

Lowest price we've seen: $61.99 on Nov 6 at djdcpower.com. Tracked across 1 store since Nov 6.

From djdcpower.com

30Ah capacity, 384Wh energy
Grade-A LiFePO4 prismatic cells
Built-in 30A smart BMS protection
4000-15000 cycles, 10-year lifespan
Expandable up to 4P/4S/4P4S to form a 48V system
Small size and light weight at 7.09 lbs

Materials: Shell material: ABS+PC; Cell type: LiFePO4 prismatic A grade
Fit: Battery size L7.64 x W5.04 x H6.1 inch; terminal M8, 9/16L, 5/16D (inch)
Care: Waterproof but cannot be immersed in water for a long time; charge within 0-45°C, discharge within -20-60°C; use a charger designed specifically for LiFePO4 bat
Guarantee: 5 years warranty for poor performance when used correctly per the product manual, with technical support within 24 hours
Returns: 30 days hassle-free returns; most new, unopened items can be returned within 30 days of delivery for a full refund, and return shipping is paid by the store if
Shipping: Free standard shipping on all orders

About the DJLBERMPW 12V LiFePO4 Deep Cycle Lithium Battery

This 12V deep cycle battery uses Grade-A LiFePO4 prismatic cells. It has a 30Ah capacity and 384Wh of energy. The shell is made of ABS+PC, and the battery weighs 7.09 lbs.

A built-in 30A smart BMS protects the battery. The cycle life is 4000 to 15000 cycles, with a 10-year lifespan. Multiple batteries can be connected in 4P, 4S or 4P4S configurations to form a 48V system.

The battery is waterproof but should not be immersed in water for a long time. Use a charger designed specifically for LiFePO4 batteries.

Voltage: 12V
Capacity: 30Ah
Energy: 384Wh
Cell type: Grade-A LiFePO4 prismatic
BMS: Built-in 30A smart BMS
Cycle life: 4000-15000 cycles
Lifespan: 10 years
Expandability: Up to 4P, 4S or 4P4S for a 48V system
Shell material: ABS+PC
Dimensions: L 7.64 x W 5.04 x H 6.1 inches
Weight: 7.09 lbs
Terminal: M8, 9/16 inch L, 5/16 inch D
Charging temperature: 0-45°C
Discharge temperature: -20-60°C
Charger: Use a charger designed specifically for LiFePO4 batteries

Questions and answers

How much power does a 12V 30Ah battery hold?: About 384Wh, enough to run a 30W load for roughly 12 hours or a fish finder for a full day. High-draw devices drain it quickly.
Can I connect several together?: Yes. The battery supports up to 4 in parallel, 4 in series, or a 4P4S arrangement to build a 48V bank. Match voltage and charge level before connecting.
What charger should I use?: Use a LiFePO4-specific charger with a 14.4 to 14.6V absorption stage. A 10A charger refills it in about 3 hours.
Is it good for a trolling motor?: Only for small motors. The 30A BMS caps continuous output, so a motor drawing more than that will trip protection. Larger motors need a bigger battery.
Does it work in cold weather?: LiFePO4 cells lose capacity in freezing temperatures and should not be charged below 0°C. Check whether the BMS includes low-temperature cutoff before winter use.
What comes in the box?: The battery itself. Chargers and mounting hardware are usually sold separately.
Where is the DJLBERMPW 12V LiFePO4 Deep Cycle Lithium Battery cheapest?: At djdcpower.com, for $61.99, as of our latest check.
What do buyers say about the DJLBERMPW 12V LiFePO4 Deep Cycle Lithium Battery?: Rated 5 out of 5 from 5 ratings.