Deye RW-M6.1-B 6kWh Lithium Battery
6 kWh
Deye RW-M6.1-B 6kWh Lithium Battery is a LiFePO4 storage battery rated at 6 kWh for solar self-consumption and backup duty.
Standards Referenced On The Original Datasheet
- UN38.3
- IEC62619
- CE
What This Product Changes On Your Project
- No electrolyte maintenance, no equalisation charging and no ventilation requirement
- LiFePO4 chemistry - a flatter thermal profile and a longer cycle life than NMC at the same usable energy
- Integrated BMS with cell balancing, over-current, over-temperature and short-circuit protection
- Parallel expansion, so a system can be sized for today's load and extended later without replacing the first units
- Standard CAN and RS485 communication for inverter handshake, rather than a closed protocol that locks the buyer to one brand
Application Scenarios
- Marine, RV and mobile installations replacing lead-acid banks
- Residential solar self-consumption, storing midday PV for the evening load
- Backup supply for homes and small offices on an unstable grid
- Telecom and monitoring cabinets where a site visit is expensive
- Off-grid cabins, farms and workshops running entirely on PV and storage
Who It Is For
- System integrators building backup and off-grid packages
- Telecom and infrastructure operators replacing lead-acid at remote sites
- Off-grid property owners sizing a standalone power system
- Solar installers specifying residential and light commercial storage
Problems It Solves
- Replacement cycles every few years and the disposal cost that comes with them
- Solar output exported at a low feed-in tariff and bought back at a high retail one
- Outages that take critical loads down with no transfer time budget
- Battery rooms that need ventilation, bunding and routine electrolyte maintenance
Technical Features
- Parallel connection of multiple units to build capacity in steps
- Enclosure and terminal layout designed for a single-installer fit
- State-of-charge indication at the unit, not only through the inverter app
- LiFePO4 cells with an integrated BMS handling balancing and protection
- Over-voltage, under-voltage, over-current, over-temperature and short-circuit protection
Published Specification Data
These figures come from the manufacturer datasheet for this model. Where a value you need is not listed, ask for the full datasheet rather than assuming a typical figure.
| Energy capacity | 6 kWh |
|---|---|
| Brand | Deye |
| Battery chemistry | LiFePO4 |
Quality Control
- Insulation and dielectric withstand testing on completed assemblies
- Aged and burn-in run before packing, so early-life failures happen in the factory
- Serialised traceability from cell batch to finished unit
- Packing inspection and photo record before container loading
- Incoming inspection of cells, power electronics and structural parts before assembly
Customization Options
- Mounting variant - wall, floor or rack - for the available space
- Label, manual and packaging language for the destination market
- Capacity configuration and number of parallel units
- Communication protocol matched to the inverter brand on site
How It Compares With The Alternatives
| Lead-acid batteries | Usable depth of discharge is far higher, so a lead-acid bank has to be specified much larger for the same usable energy - and replaced far sooner. |
|---|---|
| NMC lithium batteries | LiFePO4 gives up some energy density and gains thermal stability and cycle life, which is the trade most stationary storage buyers want. |
| A larger single battery | Parallel modules let the system be sized for today's load and extended later, instead of paying up front for capacity that idles for two years. |
Getting This Product Right On Site
- 1
Check the state-of-charge reporting and firmware version at each annual service visit
- 2
Confirm the inverter model and communication protocol before ordering, so the handshake is verified not assumed
- 3
Mount in a dry, ventilated space within the stated operating temperature range
- 4
Torque terminals to the value in the manual and re-check after the first week of cycling
- 5
Set charge and discharge limits in the inverter to match the battery's rated current
Deye RW-M6.1-B 6kWh Lithium Battery - Buyer Questions
What is the warranty and what does it cover
How is the battery packed for export
Can we order with our own branding
What temperature range can the battery work in
Which inverters is this battery compatible with
What is the minimum order quantity
Other Lithium Battery Models
Lovsun EU Stock 48V 200Ah 10kWh Wall-mounted Lithium Battery10 kWh / 48 V
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Deye Rw-F16 Wall Mount Lithium Battery 16Kwh16 kWh
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Deye BOS-G Pro High Voltage Rack Mount Battery 25.6-87.04kWh25.6-87.04 kWh
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High Voltage 51.2V Rack Mounted LifePO4 battery 16-265kWh16-265 kWh / 51.2 V
View Product →Background For This Specification Decision
Why a lead-acid bank has to be specified two to three times larger for the same usable energy, and what that does to the total cost over ten years.
Read the guide →Buying GuideHow To Size A Home Solar BatteryA method that starts from the evening load and the daily surplus rather than from the size of the PV array.
Read the guide →Design GuideHigh Voltage vs Low Voltage Battery SystemsWhy the DC bus voltage choice shows up in your cable schedule, your inverter options and your installation labour.
Read the guide →Homes and villas adding solar self-consumption and backup, where the installer needs a kit that works the same way on every job.
See the application →Telecom and Remote Off Grid SitesBase stations, monitoring installations and remote facilities where every site visit is expensive and the power system has to run unattended.
See the application →Commercial and Industrial SitesFactories, warehouses, cold stores and commercial campuses where the electricity bill is driven as much by demand charges as by consumption.
See the application →Request A Quote For Deye RW-M6.1-B 6kWh Lithium Battery
Tell us the quantity, the destination market and the application. We reply within 12 hours with lead time, certification and pricing.