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12v 75ah Battery Lithium Iron Phosphate Batteries CE Approved

12v 75ah Battery Lithium Iron Phosphate Batteries CE Approved

12v 75ah Battery Lithium Iron Phosphate Batteries CE Approved

Product Details:

Place of Origin: China
Brand Name: Topband
Certification: ISO9001, ISO14001, MSDS, UL
Model Number: TB1275F-S110A_00

Payment & Shipping Terms:

Minimum Order Quantity: 100pcs
Price: Negotiable
Packaging Details: standard export carton
Delivery Time: 2~4weeks for samples; 4~6weeks for mass production
Payment Terms: L/C, T/T
Supply Ability: 450Mwh/year
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Detailed Product Description
Chemistry: LiFePO4 Norminal Voltage: 12.8V
Norminal Capacity: 75Ah Cycle Life: ≥2000 (100% DOD)
Weight: 9.0KG Dimension: 260*168*227mm
Type: Prismatic Certification: ISO9001, ISO14001, MSDS
Warranty: 2 Years Max. Discharge: 75A
Max. Charge: 50A Peak Discharge: 300A / 3S

12v 75ah Battery Lithium Iron Phosphate Batteries CE Approved

 

  • long life & deep cycle( over 2000cycles @ 100%DOD)
  • with built-in PCM/BMS protection
  • super quick charge/discharge performance
  • safe pressure valve design ( no explosion, no fire)
  • high energy density
  • low self-discharge( <3% per month,<15% per year)
  • 1/3 weight & 1/2 volume of lead acid battery
  • eco-friendly
  • high consistency
  • no memory effect
  • easily replace lead acid battery
Lead acide battery VS. Topband LiFePO4 battery
Item Lead acid battery LiFePO4 battery Comparison results
wh/kg 30-45 100-150 LiFePO4 battery is 1/3 weight of lead acid battery
wh/L 60-80 200-250 LiFePO4 battery is 1/2 volume of lead acid battery
    conclusion 1 LiFePO4 battery has higher energy density than that of lead acid battery.
cycle life 300-500cycles 2000cycles @80% DOD
1500cycles @100% DOD
LiFePO4 battery's life cycle is 5times of that of lead acid battery, and more cycles at deep discharge
    conclusion 2 LiFePO4 battery has much better cycle life.
charge rate ≤0.3C 0.5-1C LiFePO4 battery can bare quick charge, eg., 2hs full charge for LiFePO4 battery, while more than 6hs for lead acid battery.
discharge rate 3-5C,only 30%-40% capacity release under 3C discharge 3-10C, 80%-90% capacity release under 3C discharge LiFePO4 battery support high rate discharge, and more capcity release under high rate discharge
    conclusion 3 LiFePO4 battery has higher charge & discharge rate
self-discharge rate 3-10% <1.5% lead acid battery will be useless for long time storage, LiFePO4 battery can stock for long time
    conclusion 4 LiFePO4 battery has lower self-discharge rate
pollution Pb( against Rohs) N/A  
    conclusion 5 LiFePO4 is more eco-friendly
maitenance need fill water constantly free maitenance  
    conclusion 6 LiFePO4 need no maitenance
protection NA BMS  
    conclusion 7 LiFePO4 has built in BMS for better control
optional feature   bluetooth connection Topband LiFePO4 allow users read battery info.
    conclusion 8 Topband LiFePO4 support bluetooth connection
warranty 12-18months 24months  
    conclusion 9 Topband LiFePO4 has longer warranty
price lower higher  
    conclusion 10 LiFePO4 is higher in price
Summary LiFePO4 battery meets the trend of development
  LiFePO4 battery is better than lead acid battery from different point of view, except for price.

 

1. General Information

This specification defines the performance of rechargeable LiFePO4 battery pack TB1275F-S110A_00 manufactured by Shenzhen Topband Battery Co., Ltd, describes the type, performance, technical characteristics, warning and caution of the battery pack.

 

2. Specification

NO. Items Criteria Remarks
2.1 Rated Capacity 75Ah  
Minimum Capacity 75Ah  
2.2 Energy 0.96KWh  
2.3 Nominal Voltage 12.8V  
2.4 Outgoing Voltage ≥12.8V  
2.5 Internal resistance ≤30mΩ  
2.6 Limited charge voltage 14.6±0.2V  
2.7 Floating charge voltage 13.8±0.2V  
2.8 Standard charge current 30A  
2.9 Maximum charge current 50A  
2.10 Standard discharge current 50A  
2.11 Maximum discharge current 75A  
2.12 Pulse discharge current 300A/3s @Battery initial Temp25±5℃
2.13 Discharge cut-off voltage 10.0V  

 

2.14

Dimension Length: 260±3mm  
Width: 168±3mm  
Height: 227±3mm  
2.15 Weight Approx: 9.0Kg  
.16 Operating Temperature Charging:0~45℃
Discharging:-20~60℃
Recommended operating temperature:15℃~35℃
2.17 Self-discharge rate Residual capacity:≤3%/month;≤15%/year
Reversible capacity: ≤1.5%/month;≤8%/year
2.18 Storage Temperature & Humidity Range Less than 1 month:-20℃~35℃,45%RH~75%RH
Less than 3 months:-10℃~35℃,45%RH~75%RH

Recommended storage environment:

15℃~35℃,45%RH~75%RH

Long time storage:

If the battery need be stored for a long time, the voltage should be 13.2V(50%SOC), and stored in the condition as storage proposal. It need at least one charge & discharge cycle every six months.

 

 

3. Test Conditions

3.1 Standard Test Conditions

3.1.1 Unless otherwise specified, all performance tests are required to be conducted at temperature 25℃±2℃, Humidity less than 45%~75%RH.

3.1.2 Unless otherwise specified, the tested product is required to be unused within two months after outgoing.

3.2 Standard Charge Mode

"Standard Charge" means at 25±2℃ charge to limit voltage with 0.5C constant current, then charge with constant voltage until current less than 0.02ItA.

3.3 Quick Charge Mode

" Quick Charge" means at 25±2℃ charge to limit voltage with 1 C constant current, then charge with constant voltage until current less than 0.02ItA.

3.4 Standard Discharge Mode

"Standard Discharge" means at 25±2℃ discharge to the cut-off voltage with 0.5C current.

3.5 Quick Discharge Mode

"Quick Discharge" means discharge to the cut-off voltage with 1C current.

 

4. Product Performance

NO. Items Criteria Testing method
4.1 Rated Capacity 75Ah Rest for 1 hour after fully charged, then discharge with 0.5C current until the battery reaches the discharge cutoff voltage. Repeat above process for three times, if the discharge time is not less than 120 minutes, you can stop and define the Discharging current*time value (Ah) as battery capacity.
4.2 Minimum Capacity 75Ah
4.3 Internal resistance ≤30mΩ 50% battery SOC state frequency of 1 KHZ ac resistance tester
4.5

Cycle life

(DOD100%)

≥1000cycle Discharge with the current of 0.5C until it can’t discharge, and then rest it for 1h. Charge the battery following CC(0.5C)/CV(14.6V) mode to full capacity, and then rest it for 1h. Repeat above process until full charged capacity is no more than 80% of normal value. Accumulated times is defined as cycle life.
4.6

Discharge Temperature

Characteristics

-20℃ ≥70% At 25±5℃ discharge the battery with the current of 0.5C to the cut-off voltage and record charge capacity. Store the battery at various temperatures for 2h and discharge the battery with 0.3C to the cut-off voltage.
-0℃ ≥80%
25℃ ≥100%
55℃ ≥95%
4.7 Charge Retention ability

Residual

capacity≥80%

Charge the battery to full capacity and store it for 28days, and then discharge it with 0.5C to the cut-off voltage.
Recovery capacity≥90%
 

 

5. Protective circuit specification

The batteries are supplied with a LiFePO4 Battery Management System (BMS) that can monitor and optimize each single prismatic cell during charge & discharge, to protect the battery pack from overcharge, over discharge, etc. Overall, the BMS helps to ensure safe and accurate running.

 

NO. Items Content Specification
5.1 Over charge Over-charge protection for each cell 3.80±0.03V
Over-charge release for each cell 3.60±0.05V
Over-charge release method Under the release voltage
5.2 Over discharge Over-discharge protection for each cell 2.00±0.1V
Over-discharge release for each cell 2.30±0.1V
Over-discharge release method Charging recovery
5.3 Over current Discharge over current protection 650±100A
Protection delay time 14~26ms
Over current release method Release after cutoff the load.
5.4 Short NO Short circuit prohibited
5.5 Battery temperature Charge over temperature Protection @65±5℃
Release @55±5℃
Discharge over temperature Protection @65±5℃
Release @55±5℃
MOSFET over temperature Protection @100±5℃
Release @70±5℃
5.6 Static power ≤60uA
 

 

6. Dimensional Drawing

12v 75ah Battery Lithium Iron Phosphate Batteries CE Approved


 

Contact Details
Shenzhen Topband Battery Co., Ltd

Contact Person: Jerry Yang

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