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12V Medical Equipment Batteries Long Lifespan TB1220F-S115A_00

12V Medical Equipment Batteries Long Lifespan TB1220F-S115A_00

12V Medical Equipment Batteries Long Lifespan TB1220F-S115A_00

Product Details:

Place of Origin: China
Brand Name: Topband
Certification: MSDS, ISO9001, ISO14001
Model Number: TB1220F-S115A_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
Material: Nano LiFePO4 Nominal Voltage: 12.8V
Nominal Capacity: 20Ah Impedance: ≤50mΩ
Dimension: 180.5*76*166mm Weight: 1.6kg
Warranty: 2 Years Charging Current: 20A
Max Charging Discharge Current: 30A Peak Discharge Current: 68A

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1. General Information

This specification defines the performance of rechargeable LiFePO4 battery pack TB1212F-S120A 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 20Ah
3 Internal Resistance ≤50mΩ
Standard Charge
4 Battery operation temperature range @charging 0~45℃
5 Normal charge voltage 14.6±0.1V
6 Recommended float charge voltage(for Standby use) 13.9±0.1V
7 Allowed MAX charge current 20A@Battery initial Temp 25±5℃
8 Recommended charge current ≤10A
Standard Discharge
9 Battery operation temperature range @discharging -20~60℃
10 Output Voltage Range 8.0~14.6V
11 Allowed discharge current 30A withstand 30min @Battery initial Temp 25±5℃
12 Recommended discharge current ≤20A
13 Pulse discharge current 80A withstand 3s
14 Discharge Cut-off voltage 8.0V
Mechanical Characteristics
15 Dimension Length 180.5±2mm
Width 76±2mm
Height 166±2mm
16 Weight Approx. 3.0Kg
Storage
17 Storage Temperature & Humidity Range Short: within one month -20~35℃, 45~75%RH
Long term: above one month -10~30℃, 45~75%RH
18 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 Internal Impedance ≤50mΩ Test the internal resistance of 50% SOC battery pack with 1 kHz AC internal resistance test instrument.
2 Capacity ≥20Ah Rest for 1 hour after fully charged, then discharge with 0.33C current until the battery reaches the discharge cutoff voltage. Repeat above process for three times, if the discharge time is not less than 180 minutes, you can stop and define the Discharging current*time value (Ah) as battery capacity.
3

 

Short circuit protection

Automatically cutoff discharging when short circuit, and release after remove the lead. Connect the positive and negative of this battery pack through a lead with the resistance less than 5mΩ.
4 MAX charge Current 20A Charging with this current for more than 0.5h and the added temperature of battery pack less than 20℃.
5 MAX discharge Current 30A Discharging with this current for more than 0.5h and the added temperature of battery pack less than 35℃.
6

 

 

Cycle life (DOD%100)

≥2000cycle Discharge with the current of 0.5C until it can’t discharge, and then rest it for 1h. Charge the battery following CC(0.33C)/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.
7

 

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%
8 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 80~110A
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℃

 

5. Dimensional Drawing

12V Medical Equipment Batteries Long Lifespan TB1220F-S115A_00

 

Contact Details
Shenzhen Topband Battery Co., Ltd

Contact Person: Jerry Yang

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