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Shenzhen Topband Battery Co., Ltd

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Portable Mart Battery Lithium , Rv Lithium Battery TB-BL1220F-S115D

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Brand Name :	Topband
Model Number :	TB-BL1220F-S115D
Certification :	CE, UN38.3, ISO9001, ISO14001
Price :	Negotiable
Payment Terms :	L/C, T/T
Supply Ability :	450Mwh/year
Delivery Time :	2~4weeks for samples; 4~6weeks for mass production

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Portable Mart Battery Lithium , Rv Lithium Battery TB-BL1220F-S115D

Bluetooth function smart Lithium battery with Nano LiFePO4 12V 20Ah

1. Smart Lithium battery 12V 20Ah Specification

1	Nominal Voltage		12.8V
2	Normal Capacity		20Ah
3	Internal Resistance		≤50mΩ
4	Series application		Not allowed
5	Communication function		Bluetooth
6	Operation temperature range @charging		0~45℃
7	Standard charge voltage		14.6±0.1V
8	Float charge voltage(for Standby use)		13.9±0.1V
9	Allowed MAX charge current		20A
10	Recommended charge current		≤10A
12	Output Voltage Range		8.0~14.6V
13	Allowed MAX discharge current		20A
14	Pulse discharge current		55A withstand 3s
15	Discharge Cut-off voltage		8.0V
16	Dimension		Length 181±2mm
			Width 76±2mm
			Height 165±2mm
17	Weight		Approx. 3.0Kg
18	Storage Temperature & Humidity Range	Short: within 1 month	-20~35℃, 45~75%RH
		Long term: above 1 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

2. Smart Lithium battery 12V 20Ah dimension

3. Electrical Characteristics & Test Condition
@Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%.

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. Product feature

Perfect replacement for VRLA battery

Operation at wide temperature
Less than half the weight of lead acid
Up to 10 times the cycle life of Lead acid
No corrosive electrolyte
Operable in any orientation
Good performance and safety
Maintenance free

5. Bluetooth Function

6. Typical Application

Energy Storage Systems (ESS)
Hybrid Grid back-up
Remote area power systems
Communications systems
Electric vehicles
Marine environments
Military & Aviation
Industrial Machinery
Uninterruptible Power Supplies
CCTV & Data Transfer

Product Tags:

Rv Lithium Battery

Lithium Phosphate Battery

Portable Mart Battery Lithium , Rv Lithium Battery TB-BL1220F-S115D

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