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Shenzhen Topband Battery Co., Ltd
A professional manufacturer of LiFePO4 battery / lithium iron phosphate, dedicated to designing, researching, manufacturing, and exporting LiFePO4 batteries( cell & pack & energy storage system) to
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12V300AH Lithium Iron Phosphate Battery , over 2000 cycles @ 100% DOD

Shenzhen Topband Battery Co., Ltd

12V300AH Lithium Iron Phosphate Battery , over 2000 cycles @ 100% DOD

Brand Name : Topband

Model Number : TB12300F-S103A_00

Certification : MSDS

Place of Origin : China

MOQ : 50pcs

Supply Ability : 450Mwh/year

Delivery Time : 2~4weeks for samples; 4~6weeks for mass production

Packaging Details : standard export carton

Price : Negotiable

Payment Terms : L/C, T/T

Battery material : Nano LiFePO4

Dimension : 520*221*269mm

Weight : 35Kg

Charge voltage : 14.6V

Charge current : ≤80A

Discharge current : ≤100A

Peak discharge current : 350A(3S)

Cut-off discharge voltage : 8V

Cycle life : 2000cycles @100%DOD

Warranty : 2 years

Operate temperature : -20°C~60°C

Capacity : 300ah

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12V300AH Lithium Iron Phosphate Battery , over 2000 cycles @ 100% DOD

  • 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
  • patent Bluetooth connection feature optional, enable IOS & Android app to monitor instant battery status(SOC, battery voltage, remain AH, charge current, temp., life cycle, error).

1. General Information

This specification defines the performance of rechargeable LiFePO4 battery pack TB12300F- S103A manufactured by Shenzhen Topband Battery Co., Ltd, describes the type, performance, technical characteristics, warning and caution of the battery pack.

2. Specification

NO Items Description
Normal Specification
1 Nominal Voltage 12.8V
2 Normal Capacity 300Ah
3 Internal Resistance ≤20mΩ
4 Series-Parallel application Not allowed
5 Communication function /
Standard Charge
6 Charge operation temperature range 0~45℃
7 Normal charge voltage 14.6±0.1V
8 Recommended float charge voltage(for Standby use) 13.8±0.1V
9 Allowed MAX constant charge current 80A@Battery initial Temp 25±5℃
10 Recommended charge current ≤80A
Standard Discharge
11 Discharge operation temperature range -20~60℃
12 Output Voltage Range 8.0~14.6V
13 Allowed MAX constant discharge current 80A @Battery initial Temp 25±5℃
14 Discharge peak current 100A/30min,350A/3s
15 Discharge end voltage 8.0V

NO Items Description
Mechanical Characteristics
16 Dimension Length 520±3mm
Width 269±3mm
Height 221±3mm
17 Weight Approx. 37.7Kg
Storage
18 Storage Temperature & Humidity Range Short: within one month -20~35℃, 45~75%RH
Long term: above one month -10~30℃, 45~75%RH
19 Self-discharge rate Residual capacity ≤3% per month; ≤15% per year
Reversible capacity ≤1.5%per month; ≤8% per year

3. Electrical Characteristics & Test Condition

Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%.

NO Items Criterion Condition
1 Min Capacity ≥291Ah Rest for 1 hour after fully charged, then discharge with 0.33C current until the battery reaches the cutoff voltage. you can stop and define the Discharging current*time value (Ah) as battery capacity.
2

Cycle life (DOD%100)

≥2000cycle

Charge / CC(0.33C)/CV(14.6V);

End current : 0.05C;

Rest time : 1h;

Discharge / CC(0.5C);

End voltage : 8.0V;

Repeat above process until discharge capacity is no more than 80% of normal value. Accumulated times is defined as cycle life.

3

Discharge Temperature

Characteristics

-20℃ ≥70% At 25±5℃ discharge the battery with the current of 0.33C to the cut-off voltage. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage. Record the ratio between discharging & charging capacity.
0℃ ≥80%
25℃ 100%
55℃ ≥95%
4 Charge Retention ability remain capacity≥90% Charge the battery to full capacity and store it for 28days, and then discharge it with 0.33C to the cut-off voltage.

4. Circuit Protection

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

Test item Content Criterion
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
Over discharge Over-discharge protection for each cell 2.00±0.05V
Over-discharge release for each cell 2.30±0.05V
Over-discharge release method Charging
Over current Discharge over current protection 350~550A
Protection delay time 10~40ms
Over current release method Release after cutoff the load.

Over

Temperature

Battery over temperature Protection @65±5℃
Release @50±5℃

Over

Temperature

Battery lower temperature Protection @100±5℃
Release @70±15℃

5. Dimensional Drawing

12V300AH Lithium Iron Phosphate Battery , over 2000 cycles @ 100% DOD

12V300AH Lithium Iron Phosphate Battery , over 2000 cycles @ 100% DOD


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