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JM 48V 51.2V 300ah 314ah aa lithium batteries batteries and 15kwh lifepo4 lithium battery

JM 48V 51.2V 300ah 314ah aa lithium batteries batteries and 15kwh lifepo4 lithium battery

5(4 ratings)

Best price now

$1,899.00at JMBatteriesChecked Nov 11

Compared across 2 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Last seen at $1,899.00 at JMBatteries on Nov 11.
  • Checked at 2 stores.

Our take on the JM 48V 51.2V 300ah 314ah aa lithium batteries batteries and 15kwh lifepo4 lithium battery

This is a 51.2V LiFePO4 (LFP) home energy storage battery rated at 300Ah, roughly 15 kWh of usable capacity. JM rates it for 6000 cycles and backs it with a 10-year warranty and CE certification. It is aimed at solar and off-grid or backup storage, where it competes with server-rack and wall-mount LiFePO4 packs on cycle life and capacity rather than on smart features. Buyers should confirm inverter compatibility and whether a BMS and communications are included, since the listing does not spell these out.

Best forSolar and home energy storageOff-grid cabin or backup powerOwners adding capacity to an existing 48V system
Pros
  • Large 15 kWh capacity from a 51.2V, 300Ah LFP pack
  • 6000-cycle rating is long for LiFePO4
  • 10-year warranty and CE certification stated
  • LFP chemistry is thermally stable and has no cobalt
  • Suits standard 48V inverter and solar setups
Cons
  • Heavy, bulky unit that needs a proper mounting plan
  • Listing does not state BMS, communications or inverter compatibility
  • No cycle or capacity test data from independent reviewers
  • Support and warranty service depend on the seller

JM 48V 51.2V 300ah 314ah aa lithium batteries batteries and 15kwh lifepo4 lithium battery prices at every store

  • JMBatteriesNew

    In stockReturn policy

    $1,899.00Checked Nov 11
    Visit JMBatteries
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $1,799.00+ $400.00 shippingChecked Nov 11
    Visit Amazon

Store links may earn us a commission.

JM 48V 51.2V 300ah 314ah aa lithium batteries batteries and 15kwh lifepo4 lithium battery price history

Lowest price we've seen: $1,799.00 on Nov 11 at Amazon. Tracked across 1 store since Nov 11.

About the JM 48V 51.2V 300ah 314ah aa lithium batteries batteries and 15kwh lifepo4 lithium battery

This is a 51.2V (48V class) LiFePO4 lithium battery, offered in 300Ah and 314Ah capacities, with a 15kWh rating. It uses an LFP anode material and is rechargeable. It is rated for 6000 cycles.

It is intended for solar energy storage systems, home energy storage, electric power systems and uninterruptible power supplies. It is stored dry. An LCD and OEM/ODM options are available as customizations.

Model
JM-M-51.2V 300Ah
Voltage
48V / 51.2V
Capacity
300Ah / 314Ah; 15kWh
Chemistry
LiFePO4
Anode material
LFP
Cycle life
6000 cycles
Rechargeable
Yes
Warranty
10 years
Certifications
MSDS, UN38.3, CE, RoHS
Storage type
Dry storage
Applications
Electric power systems, solar energy storage systems, uninterruptible power supplies, energy storage
Customization
LCD and OEM/ODM available
Brand
JM

Questions and answers

How much energy does this battery store?
At 51.2V and 300Ah it holds about 15 kWh, which is enough to cover a typical home's evening and overnight load or a full off-grid day with modest use.
How long will it last?
JM rates it at 6000 cycles with a 10-year warranty. That is a long service life for LiFePO4, but real-world life depends on depth of discharge, temperature and how the pack is charged.
Will it work with my inverter?
It is a 48V/51.2V pack, the common voltage for solar inverters and charge controllers. Confirm closed-loop communication and BMS protocol support with the seller before buying, since the listing does not detail them.
Does it include a battery management system?
The listing does not say. A pack this size needs a BMS for cell balancing and over-current and temperature protection, so ask the seller to confirm it is built in.
Can I install it myself?
These packs are heavy and store significant energy. Mounting, wiring and breaker sizing are best done by a qualified installer, and local rules may require it for a grid-tied system.
How does it compare with server-rack batteries?
It offers more capacity in one unit than most 48V server-rack packs, which are typically around 5 kWh each. Rack units are easier to stack and replace individually; this pack simplifies wiring but is harder to move.
Where is the JM 48V 51.2V 300ah 314ah aa lithium batteries batteries and 15kwh lifepo4 lithium battery cheapest?
At JMBatteries, for $1,899.00, as of our latest check.
What do buyers say about the JM 48V 51.2V 300ah 314ah aa lithium batteries batteries and 15kwh lifepo4 lithium battery?
Rated 5 out of 5 from 4 ratings.
Where can I buy the JM 48V 51.2V 300ah 314ah aa lithium batteries batteries and 15kwh lifepo4 lithium battery?
2 stores we checked sell it, including JMBatteries, Amazon.

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