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| Price | Negotiation |
| MOQ | Negotiation |
| Delivery Time | 5-8 working days |
| Brand | BAIDUN |
| Place of Origin | Guangdong, China |
| Certification | CE、FC、ROHS |
| Model Number | 3.2V280(LF280K) |
| Packaging Details | Two batteries in a box |
| Payment Terms | Credit card, T/T,PayPal |
| Supply Ability | ≥30000 pieces/month |
| Discharging Temperature | -20℃~55℃ | Typical Capacity | 280.0 Ah @ 0.5C discharge |
| Place of Origin | Guangdong, China | Warranty | 3YEARS |
| Size | 174*72*207mm | Packaging Details | Two batteries in a box |
| Nominal Voltage | 3.2V | Model Number | 3.2V280(LF280K) |
| Supply Ability | ≥30000 pieces/month | Terminal | Welding Studs |
| Certification | CE、FC、ROHS | Brand Name | BAIDUN |
| Payment Terms | Credit card, T/T,PayPal | Max Discharge Current | 1C |
| Screw Hole | M6 | Price | Negotiation |
| Delivery Time | 5-8 working days | cycle life | ≥6000cycle |
| Minimum Order Quantity | Negotiation | Charging Temperature | 0℃~55℃ |
| Self^discharge rate per month | <3%/month |
This is the model 3.2V 280AH solar energy storage system Lifepo4 battery. Well-known RP brand, the battery has 6000 cycles, has the original QR code, the quality is very good, the actual capacity is higher than the specification, can be as high as 285AH or more, it has 4000 cycles of DOD80%, and the internal resistance is less than 0.25mΩ. Adopt square aluminum shell structure, safe explosion-proof and no leakage. It has a wide range of applications and can be connected in series or in parallel to make 12V24V48V or even larger battery packs. It can be used for various electric vehicle, home energy storage, communication energy storage and solar energy storage off-grid needs.
| # | Item | Parameter | Remark | |
| 1 | Nominal Capacity | 280.0 Ah | (25±2) °C, Standard charge and discharge | |
| 2 | Typical Voltage | 3.2 V | ||
| 3 | AC Impedance Resistance( 1 KHz) | <0.25 mΩ | ||
| 4 | Standard charge and discharge | Charge / discharge current | 0.5 C/0.5 C | |
| Cut off voltage of charge / discharge | 3.65 V/2.5 V | |||
| 5 | Maximum charge / discharge current | Continuous charge / discharge | 1 C/1 C | According to continuous / pulse charge and discharge ammeters |
| Pulse charge / discharge (30s) | 2C/2C | |||
| 6 | Recommended scope of SOC | 10% 〜90% | N.A. | |
| 7 | Charging Temperature | 0 °C〜55 °C | According to continuous / pulse charge and discharge ammeters | |
| 8 | Discharging Temperature | -20 °C~55 °C | ||
| 9 | Storage temperature | Short term (within 1 month) | -20°C-45°C | N.A. |
| Long term (within 1 year) | 0°C 〜35°C | |||
| 10 | Storage humidity range | <90% | ||
| 11 | Self^discharge rate per month | <3%/month | Temperature: (25±2)°C, Storage scope of SOC: 30% 〜50%SOC | |
| 12 | Dimension | Width | 173.7 ±0.5 mm | Refer to Appendix I |
| 13 |
Thickness (under 300+20 kgf, 30%〜40% SOC ) |
72.0 ±1.0 mm | ||
| Average thickness (200 pcs, under 300+20 kgf, 30%〜40% SOC ) | 72.0 ±0.5 mm | |||
| 14 | High (total) | 207.5 ±0.5 mm | ||
| 15 | High (subject) | 204.6 ±0.5 mm | ||
| 16 | Tabs Distance | 123.0±0.3 mm | ||
| 17 | Battery weight | 5.42±0.3 kg | ||
Main Performance
| No. | Item | Requirements | Measuring Procedure |
| 1 | Rate discharge performance at25°C |
Discharge capacity/nominal capacity×l00% A) 0.5C(A)>100% B) 1.0C (A)>98% |
After standard charge and Ih rest, discharge to 2.5V cutoff with the current of 0.5 C (A), 1.0C (A), respectively. If the discharge capacity fails to meet the technical requirements, this test is allowed to be repeated three times |
| 2 | Discharge performance at different temperature |
Discharge capacity/nominal capacity×100 % A) 55°C>95% (Cutoff 2.5V) B) -20°C>70% (Cutoff 2.0V) |
Measure the initial capacity and state of the battery: A) after standard charge and 5h rest at 55°C, discharge to 2.5V cutoff with the current of 0.5C(A)； B) after standard charge at 25±2°C and 24h rest at -20°C±2°C, discharge to 2.0V cutoff with the current of 0.5C(A). |
| 3 |
The capacity retention and recovery at 25°C |
Capacity Retention ≥ nomi nal capacity×95 % Capacity Recovery ≥ nomi nal capacity×97 % |
Measure the initial capacity and state of the battery, after standard charge and stored for 28 days, discharge to 2.5V cutoff with the current of 0.5C (A), calculate the remaining capacity the retention can be expressed as a percentage of nominal capacity. After standard charged and 30mins rest, calculate the discharging capacity (Ah), the recovery can be expressed as a percentage of nominal capacity. The recovery is measured with discharge current 0.5C (A) with 2.5V cut-off at (25±2) °C. |
| 4 |
cycle life at 25 °C |
>6000 cycle @0.5C/0.5C | Under the 300kgf clamp, after standard charged and 30mins rest, discharge to 2.5V cutoff with the current of 0.5C(A) at (25±2) °C, and then start the next cycle, end with the capacity decreasing to 80% of the |
| initial capacity. The number of cycles is defined as the cycle life of the battery. | |||
| 5 |
cycle life at 45 °C |
>2500 cycle @0.5C/0.5C |
Under
the
300kgf
clamp,
after
standard
charged
and
30mins
rest,
discharge
to
2.5V
cutoff
with
the
current
of
0.5C(A)
at
(45±2)
°C,
and
then
start
th
|
| 6 |
End of life managem ent |
capacity/nominal capacity <70% |
During the use of the battery, the battery s hall be stopped when the end of life regul ations are exceeded. |
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
Baidun
has
been
cultivating
new
energy
Lifepo4
lithium
battery
for
12
years!
The
main
products
are
lithium
iron
phosphate
batteries,
lithium
titanate
batteries,
ternary
lithium
batteries,
lithium
ion
battery
cells,
battery
packs,
portable
power
supplies,
household
energy
storage,
commercial
off-grid
energy
storage
and
solar
system
chargers
for
solar
energy
storage
systems.
The
product
application
covers
the
three
major
fields
of
"power,
consumption
and
energy
storage".
Widely
used
in:
various
electric
vehicles,
photovoltaic
energy
storage,
household
energy
storage,
signal
system,
emergency
lighting
system,
communication
equipment,
solar
energy
and
wind
energy
storage
system,
backup
power
supply
for
fire
fighting
equipment,
UPS
(uninterruptible
power
supply),
portable
digital
products,
etc.
industry.
Baidun
has
always
adhered
to
the
business
philosophy
of
high
safety,
high
quality
and
environmental
protection
as
its
core
values.
Provide
customers
with
the
best
overall
power
solutions,
OEM/ODM
services
and
comprehensive
after-sales
support
to
meet
the
different
needs
of
customers!
Integrity
and
professionalism,
this
is
also
our
responsibility!
Why choose Baidun
1.
We
provide
one-stop
power
solutions
to
save
design
time
and
cost
for
customers:
--
Package
Design/Case
Design/BMS
Design
2.
Strict
quality
control
system
to
improve
the
competitiveness
of
customers:
--
100%
PCM
test
passed
IQC
--
OQC
100%
capacity
test
3.
On-time
delivery
and
excellent
service:
--
Fast
delivery
within
10
days
when
in
stock
--
8
hour
response
and
48
hour
resolution
4.
Experienced
R&D
team
to
become
a
professional
power
solution
consultant
for
customers:
--
Comprehensive
battery
testing
center
(safe
and
reliable
testing)
——Powerful
ODM
capabilities
to
meet
customized
design
requirements
We provide one-stop battery power solutions, including cell selection, battery pack design, PCM/BMS design, battery pack assembly, OEM packaging and after-sales service.
Customer first
24-hour online service to solve any order problems for you!
