Pro Power 12V Volt 50ah Lithium Ion LiFePo4 Deep Cycle Battery Solar 4WD Caravan

3 Year Warranty, FRESH STOCK, Free shipping

$599.00
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This revolutionary Pro Power Lithium battery is leading the way in the fight to make a battery that is lighter than the traditional lead acid batteries yet still packs a punch! This lithium ion battery is a direct replacement for your traditional, less efficient lead-acid battery, and will require no modifications to your existing system. These powerful and reliable batteries are ideal for use in scooters, wheelchairs, or many other applications. This battery contains no toxic lead, no acid, and does not produce gasses whilst charging, unlike lead acid batteries. If you were to compare a lead acid and lithium batteries, you would find that the lithium is by far superior on most selling points; it is extremely light, has a much slower rate of self-discharge, meaning less power is required to keep it topped up, and is more environmentally friendly when it needs to be disposed of.

  • Ultra light weight
  • Life cycles 1500-5000
  • High energy density
  • Does not need prolonged priming when new. One regular charge is all that's needed.
  • Internal cell balancing
  • low self-discharge
  • Can be charged using most standard lead acid battery chargers (Set for agm/gel cells)
  • Climate Resistance
  • No Peukert's Loss
  • No Voltage sag
  • Maintenance free
  • Can be used in series or parallel
  • 3 Years Warranty

 

Battery Pack / Cell specification

PACK

Combination method

3P4S

Capacity(0.5C)

51000mah

Nominal voltage

12.8V

Max. charge voltage

14.6V

Discharge cut-off voltage

10V

Max Charge current 

25A

Max Working current

100A

Pack Impedance standard

1S≤55mΩ

Weight (Approx.)

6.8 kg

Max. dimension(L×W×H)(mm)

197*165*168

Operating  temperature

Charge temperature

0℃~45℃

Discharge temperature

-15℃~60℃

Single cell over-charge cut-off voltage

3.85V

Warranty

3 Years

 

CELL

Model

3.2V17AH

Capacity(0.5C)

17000mah

rated voltage(V)

3.2V

Typical Impedance (mΩ)

≤55mΩ

Battery material

LiFePO4

over-charge release voltage

3.65V

Single cell under-discharge cut-off voltage

2. 5V

Discharge release voltage

2. 5V

Over-discharge cut-off current

120a

Over-discharge cut-off current delay

1.5S

Short-circuit protection

Yes

Short-circuit protection delay

500uS

Condition for the recovery of over-current and Short-circuit

remove load, auto recover

Balance current

45mA

Balance Condition

3.65V

 

Test Conditions

1. Standard Test Conditions
Test should be conducted with new batteries within one week after shipment from our factory and the cell shall not be cyded more than five times before the test. Unless otherwise specified,test and measurement shall be done under temperature of 20±5℃ and relative humidity of 45~48%.if it is judged that the test results are not affected by such conditions,the tests may be conducted at temperature 15~30℃ and humidity 25-85%R.H.

  • Measuring Instrument or Apparatus
    • Dimension Measuring Insturment

The dimension measurement shall be implemented by instruments with equal or more precision scale of 0.01mm.

2.  Voltager
Standard class specified in the national standard or more sensitive class having inner impedance more than 10kΩ/V.

  • Ammeter

Standard class specified in the national standard or more sensitive class.Total extermal resistance including ammeter and wire is less than 0.01Ω.

  • Impedance Meter

Impedance shall be measured by a sinusidal alternating current method(1kHz LCR meter)

  • Standard Charge/Discharge
    • Standard charge:Test procedure and its criteria are referred as follows:
      0.2C5A= Charging shall consist of charging at a 0.5 C5A constant current rate until the cell reaches 14.6V. The cell shall then be charged at constant voltage 0f 14.6 volts while tapreing the charge current Charging shall be terminated when the charging current has tapreed to 0.02 C5A.Charge time:Approx 6.0h,The cell shall demonstrate no permanent degradation when charged between 0℃ and 45℃.
    • Standard Discharge: 0.2 C5A= Cells shall be discharged at a constant current of 0.2 C5A to 10.0 volts @20℃±5℃.
    • If no otherwise specified,the rest time between Charge and Discharge amount to 30min.

 

Appearance,Initial Performance Test

Initial Performance Test


Item

Test Method and Condition

Requirements

Open-Circuit Voltage

The open-circuit voltage shall be measured within 24 hours after standard charge.

≥14.6V

Internal impedance

Internal resistance measured at AC 1KHz after 50% charge.

1S≤55mΩ

Minimal Rated Capacity

The capacity on 0.2C5A discharge till the voltage tapered to 10.0V shall be measured after rested for 30min then finish standard charge.

Discharge Capacity
≥49950mAh

 

Cycle Life and Leakage-Proof

No.

Item

Criteria

Test Conditions

1

Cycle Life
(0.5 C5A)

Higher than 70% of the Initial Capacities of the Cells

Carry out 1500 cycle
Charging/Discharging in the below condition.

  • Charge:Standard Charge
  • Discharge:0.5 C5A to 10.0V
  • Rest Time belween charge/discharge:30min.
  • Temperayure:20±5℃

2

Leakage-Proof

No leakage
(visual inspection)

After full charge with standard charge,store at 60±3℃,60±10%RH for 1 month.

 

Mechanical characteristies and Safety Test
(Mechanical characteristies)

No.

Item

Test Method and Condition

Criteria

1

Vibration Test

After standard charging,fixed the cell to vibration table and subjection cycling that the frequeney is to be varied at the rate of 1Hz per minute between 10Hz an 55Hz,the excursion of the vibration is 1.6mm.The cell shall be vibrated for 30minutes per axis of XYZ axes.

No leakage

No fire

2

Drop Test

The cdll is to be dropped from a height of 1 meter twice conto concrete ground.

No explosion, No fire,no leakage.

                  

Item

Battery Condition

Test Method

Requirements

Crush

Fresh,Fully charged

Crush between two flat plates.Applied force is about 13kN(1.72Mpa) for 30min.

No explosion,No fire

Short Circuit

Fresh,Fully charged

Each test sample battery,in turn,is to be short-circuited by conneting the (+)and (-) terminals of the battery with a Cu wire having a maximum resistance load of 0.1Ω. Test are to be conducted at room temperature (20℃±2℃).

No explosion,No fire.The Temperature of the surface of the Cells are lower than 150℃

Short Circuit

Fresh,Fully charged

Each test sample battery,in turn,is to be short-circuited by connecting the (+)and (-) terminals of the battery with a Cu wire having a maximum resistance load of 0.1Ω. Test are to be conducted at temperature (60℃±2℃).

No explosion,No fire.The Temperature of the surface of the Cells are lower than 150℃

Impact

Fresh,Fully charged

A 56mm diameter bar is inlayed into the bottom of a 10Kg weight.And the weight is to be dropped from a height of 1m onto a sample battery and then the bar will be across the center of the sample.

No explosion,No fire

Forced Discharge

Fresh,Fully charged

Discharge at a current of 1 C5A for 2. 5h.

No explosion,No fire

Nail Pricking
3mm

Fresh,Fully charged

Prick through the sample battery with a nail having a diameter of 3mm and remain 2h.

No explosion,No fire

(PP-Li-12V-50AH)

SKU PP-Li-12V-50AH
Brand Pro Power
Shipping Weight 6.8000kg
Shipping Width 0.190m
Shipping Height 0.160m
Shipping Length 0.160m
Assembled Length 0.160m
Assembled Height 0.160m
Assembled Width 0.190m

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