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SUNBANK 100Ah LITHIUM LiFePO4 BMS battery 12.8v
SUNBANK 100Ah LITHIUM LiFePO4 BMS battery 12.8v
SUNBANK 100Ah LITHIUM LiFePO4 BMS battery 12.8v
SUNBANK 100Ah LITHIUM LiFePO4 BMS battery 12.8v

SUNBANK 100Ah LITHIUM LiFePO4 BMS battery 12.8v

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SUNBANK LITHIUM LiFePO4 battery 12.8V 100Ah BMS

The SUNBANK LITHIUM LiFePO4 batteries are the new generation of mobile energy sources. Lithium Iron Phosphate (LiFePO4) technology is the longer lasting and safest variant of Lithium Ion technology. The built-in BMS control system controls the charging and discharging process and protects the battery against overcharging (>15V), over-discharging (<10.5V) and overheating. Compared to "traditional" lead acid technology, including AGM and GEL, the SUNBANK LITHIUM batteries are significantly more resistant to deep and frequent discharges. It has a life expectancy of 3000 cycles at 80% maximum discharge. These batteries have no memory effect and the state of partial and notorious discharges does not have a negative influence on their life. Unlike lead-acid technology, in LiFePO4 technology the expressed capacity of the battery does not decrease with increasing current consumption. Additional advantages include very low weight, low self-discharge, wide operating temperature range and the ability to quickly recharge the battery.

SUNBANK batteries are used in electrical appliances and vehicles. Both in industry and the hobby sector. They are ideal for marine applications such as yachts and fishing boats, where the low weight of the battery is a great convenience for the user.

Specifications:

  • LifePo4 Lithium Iron Phosphate Technology
  • Nominal voltage 12.8 V
  • Capacity: 100 Ah (1280 WH)
  • Maximum flow current: 150 Amps (2000 Watts!) and even 160 Amps for 5 seconds
  • Normal charge current: 20 amps
  • Maximum charge current: 150 amps!
  • Lifetime: 3000 cycles at 0.2c at 80% DoD (i.e. at 20A or 250 watts consumption)
  • Lifetime: 5000 cycles at 0.1c (i.e. at 10A or 125 watts)
  • Self-discharge: less than 3% monthly
  • Charge efficiency: greater than 99% at 0.2C (i.e. 20A)
  • Discharge efficiency: 98% at 0.5C (i.e. 50A)
  • Charging voltage: 14.6 volts ±0.2V
  • Available energy range: 90% DoD
  • Waterproofing: IP65
  • Integrated BMS (of course!)
  • Dimensions: 328*172*212 mm ± 2 mm
  • Weight : 13.0 Kg.

Advantages of lithium-iron-phosphate

The lithium battery offers a much better and longer service life than a lead battery:

  • accepts deep discharges without damage (up to 90%)
  • accepts high current draw without damage (up to 150A): coffee machine, microwave…
  • accepts a very high charge current (more than 50A) and therefore allows a very fast charge
  • very low self-discharge rate
  • fire or explosion proof

Lithium batteries (lithium iron phosphate) offer many advantages over lead batteries.

They have a much faster charge capacity, which allows them to exploit the slightest ray of sunlight without being limited by the battery’s internal resistance.

A lead battery, depending on its capacity, will be limited in charging power. With lithium, you will charge with the maximum of what the controller can give.

Also, unbeatable when discharging, they easily withstand very fast discharges.

If you compare the price per available ampere hour (lithium has a very large depth of discharge) you will find that the price per available Ah is just a bit more expensive than lead batteries.

The BMS system protects the battery against:

  • overcharging (>15V)
  • deep discharge (<10V)
  • overheating
  • reversed polarity
  • PROTECTION AGAINST CHARGING AT NEGATIVE TEMPERATURES

Why is a Battery Management System (BMS) needed?

1. An LFP cell will be damaged if the voltage on the cell drops below 2.5 V

2. An LFP cell will be damaged if the voltage on the cell is higher than 4.2 V. Lead-acid batteries can also be damaged if they are discharged too deeply or overcharged, but not immediately. A lead-acid battery will recover from a full discharge, even if it has been left in a discharged state for days or weeks (depending on the type of battery and brand).

3. The cells in an LFP battery do not automatically balance at the end of the charge cycle. The cells in a battery are not 100% identical. Therefore, after a cycle, some cells will be fully charged or discharged before others. The differences will increase if the cells are not balanced/equalized from time to time. For a lead-acid battery, a small current will continue to flow even after one or more cells are fully charged (the main effect of this current is the decomposition of water into hydrogen and oxygen). This current helps to fully charge other cells that are out of phase in their charging, and therefore it will equalize the state of charge of all cells. However, the current through an LFP cell, when fully charged, is close to 0, and cells that are out of phase will not be fully charged. These differences between cells can sometimes become very large over time, even if the overall battery voltage is within its limits, and some cells will be destroyed due to over- or under-voltage. Therefore, an LFP battery should be protected by a BMS system that will actively balance the individual cells and prevent over- or under voltage.

Application

  • UPS uninterruptible power supply systems
  • Yachts & boats
  • Campers
  • Telecommunication power plants
  • Emergency lighting system
  • Fire and alarm systems
  • Photovoltaics, wind power plants
  • Electric scooters, Wheelchairs
  • Parking meters, CO pumps
  • Medical equipment
Brand
Symbol
FW-AKU-15
Producer code
ECO-12-100
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2024-01-15
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2024-01-09
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