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SANDISOLAR
SANDISOLAR 51.2V300Ah 15.36KWh Deep Cycle Lithium Battery

SANDISOLAR 51.2V300Ah 15.36KWh Deep Cycle Lithium Battery

4.7(3 ratings)

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$2,199.00at SANDISOLARChecked 21 h ago

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Price facts

  • Last seen at $2,199.00 at SANDISOLAR on Nov 13.

Our take on the SANDISOLAR 51.2V300Ah 15.36KWh Deep Cycle Lithium Battery

This is a 51.2V, 300Ah LiFePO4 home battery rated at 15.36kWh, built for whole-home backup and off-grid storage. It uses Grade A cells rated for 6000+ cycles at 80% depth of discharge, and its smart BMS supports up to 15 units in parallel for banks over 230kWh. CAN, RS232 and RS485 ports plus listed compatibility with Deye, Victron, Growatt, Goodwe, SMA and Voltronic make it a fit for hybrid inverter setups. It suits owners building a large stationary bank; for smaller cabins or tight budgets, a single lower-capacity server rack battery covers the same job with less weight and wiring.

Best forWhole-home backup with a hybrid inverterOff-grid or solar storage banksOwners scaling to multi-unit parallel banksSites already running Deye, Victron or Growatt inverters
Pros
  • 15.36kWh in one unit cuts the number of batteries and interconnects
  • LiFePO4 chemistry is thermally stable and long-lived
  • 6000+ cycles at 80% DOD is a long service life
  • CAN/RS232/RS485 cover most hybrid inverter brands
  • Parallel scaling to 15 units for large banks
  • Built-in WiFi for remote monitoring
Cons
  • Around 300Ah at 51.2V means a heavy unit that needs two people or a lift
  • High current output requires thick cabling and proper breaker sizing
  • WiFi monitoring and CCS connectivity add setup steps
  • Parallel banks need matched units and correct addressing
  • No heater or low-temperature charge cutoff is stated

SANDISOLAR 51.2V300Ah 15.36KWh Deep Cycle Lithium Battery prices at every store

  • SANDISOLARNew

    In stockShips from Hong Kong SAR China · duties may applyReturn policy

    $2,199.00Checked 21 h ago
    Visit SANDISOLAR

From SANDISOLAR

  • 15.36kWh capacity for whole-home backup
  • 10kW high output power, 200A peak discharge
  • Over 6000 cycles at 80% DOD
  • Compatible with Deye, Growatt, Victron, SMA and more via CAN/RS485
  • Smart BMS protection with built-in WiFi remote monitoring
  • Scalable up to 15 units in parallel (over 230kWh)
Materials
Grade A LiFePO4 cells; heavy-duty SPCC metal casing with IP21 rating
Guarantee
SANDISOLAR Official 2-year Quality Assurance
Shipping
Fast and free delivery from EU/US warehouse

About the SANDISOLAR 51.2V300Ah 15.36KWh Deep Cycle Lithium Battery

This is a 51.2V, 300Ah lithium iron phosphate (LiFePO4) battery with 15.36kWh of energy storage. It uses Grade A LiFePO4 cells and is rated for over 6000 cycles at 80% depth of discharge. It can store solar energy for use during grid outages or high-rate hours.

The battery has an integrated Smart BMS and circuit breaker. They protect against over-charge, over-discharge, short circuits and extreme temperatures. Active balancing helps deliver more usable capacity and longer life. Built-in WiFi lets you monitor battery status from a mobile phone.

It communicates over CAN, RS232 and RS485 and works with inverter brands including Deye, Victron, Goodwe, Growatt, SMA and Voltronic. Up to 15 units can be connected in parallel for over 230kWh of storage. The heavy-duty SPCC metal casing has an IP21 rating for indoor use.

Cell chemistry
Grade A LiFePO4
Nominal voltage
51.2V
Rated capacity
300Ah
Energy
15,360Wh (15.36kWh)
Working voltage
44.8V-57.6V
Max output power
10,240W
Peak discharge
200A
Cycle life
6000+ cycles at 80% DOD
Communication
CAN, RS232, RS485
Connectivity
CCS, WiFi
Compatibility
Deye, Victron, Goodwe, Growatt, SMA, Voltronic and more
Scalability
Up to 15 units in parallel, over 230kWh
Protection
Smart BMS and circuit breaker; over-charge, over-discharge, short-circuit and temperature protection
Casing
Heavy-duty SPCC metal, IP21 rating

Specifications

Cell chemistry
LiFePO4Source
Nominal voltage
51.2VSource
Rated capacity
300AhSource
Energy
15360whSource
Working voltage

Questions and answers

Is 15.36kWh enough for whole-home backup?
It covers essentials like refrigeration, lighting and some HVAC for extended outages, and it is enough for a typical home's critical loads for a day or more. Whole-home loads with electric heat or AC will drain it faster, so size against your actual backup load.
Which inverters does it work with?
It communicates over CAN, RS232 and RS485 and is listed as compatible with Deye, Victron, Goodwe, Growatt, SMA and Voltronic. Check your inverter's supported battery list before buying, since firmware and protocol settings vary.
Can I add more batteries later?
Yes. The BMS supports up to 15 units in parallel, over 230kWh total. Add identical units with the same voltage and capacity, and follow the manufacturer's addressing and cabling order.
How long will it last?
The cells are rated for 6000+ cycles at 80% depth of discharge, which is over a decade of daily cycling. Real life depends on depth of discharge, temperature and how hard you cycle it.
Does it need special installation?
Plan for a sturdy wall or floor mount, short thick DC cables, a DC breaker and a compatible inverter. Lithium banks at this voltage should be installed by a qualified solar or electrical installer.
What is in the box?
The battery unit itself, with its BMS and communication ports. Mounting hardware, cables and breakers are usually supplied separately, so confirm the accessory list with the seller before ordering.
Where is the SANDISOLAR 51.2V300Ah 15.36KWh Deep Cycle Lithium Battery cheapest?
At SANDISOLAR, for $2,199.00, as of our latest check.
What do buyers say about the SANDISOLAR 51.2V300Ah 15.36KWh Deep Cycle Lithium Battery?
Rated 4.7 out of 5 from 3 ratings.

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44.8V-57.6V
Source
Communication
CAN/RS232/RS485Source
Charge cycles
6000 charge cyclesSource
Depth of discharge
80%Source
Connectivity
CCS, WiFiSource
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