Household 24V 100AH 2000 Cycles LiFePO4 Floor Scrubber Battery

24V 100AH Over 2000cycles LiFePO4 Floor Scrubber Battery Household Battery Pack

 

• 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)
• low self-discharge( <3% per month,<15% per year)

 

1. General Information

 

This specification  Describes the type and size, performance, technical characteristics, warning and caution of the rechargeable cell. If the user needs to support the parallel use, please charge the battery packs until output voltage difference is less than 0.2V.The non-professionals forbid performing this operation. It is strictly prohibited any series between the battery packs. If user needs to support the series use, please contact us and acquisition serial using pack.

 

2.

Specification

NO Items Description Normal Specification 1 Nominal Voltage 25.6V 2 Normal Capacity 100Ah 3 Internal Resistance ≤30mΩ Standard Charge 4 Battery operation temperature range @charging 0~45℃ 5 Normal charge voltage 29.2±0.2V 6 Recommended float charge voltage(for Standby use) 27.6±0.2V 7 Allowed MAX charge current 80A@Battery initial Temp 25±5℃ 8 Recommended charge current ≤50A Standard Discharge 9 Battery operation temperature range @discharging -20~60℃ 10 Output voltage range 20.0~29.2V 11 Allowed discharge current 175A withstand 30min @Battery initial Temp 25±5℃ 12 Pulse discharge current 300A withstand 3s 13 Discharge cut-off voltage 18.4V Mechanical Characteristics 14 Dimension Length 485±3mm Width 170±3mm Height 245±3mm 15 Weight Approx. 24.2Kg Storage 16 Storage Temperature & Humidity Range Short: within one month -20~35℃, 45~75%RH Long term: above one month -10~30℃, 45~75%RH 17 Self-discharge rate Residual capacity ≤3% per month; ≤15% per year Reversible capacity ≤1.5%per month; ≤8% per year

 

Customize Any of The Following Battery Packs as Required
Can be customized according to the requirements of 3.7V, 7.4V, 11.1V, 14.8V, 18.5V, 22.2V, 25.9V, 36V, 48V, 60V, 72V
 

 

BMS specification of  200Ah lithium battery 24 volts rechargeable​:
Cell overcharge detection voltage: 3.90V±50mV
Cell overcharge recovery voltage: 3.80V±100mV
Cell over-discharge recovery voltage: 2.30V±100mV
Rated operational charge current: 200 A
Over current detection: 100±30A
BMS impedance: ≤20mΩ

 

 

12V 50Ah advantage

 

1. Cycle life: More than 2000 cycle times

2. Very safe: It have the best safety and steady performance,no fire ,no exploding under the condition of over-charge.

3. Light weight and smaller dimension: The dimension compares with other battery.about 1/2-2/3 weight of lead acid

4. Great capacity and more powerful,rechargeable battery: We can install many single cells in series and in parallet and it can fully discharge

5. No memory effect: It can be recharged anytime,no reduction of the capacity

3.

Electrical Characteristics & Test Condition.

@Ambient Temperature 25±5℃ & Humidity 45%~75%.

 

NO	Items	Criterion		Condition
1	Internal Impedance	≤30mΩ		Test the internal resistance of 50% SOC battery pack with 1 kHz AC internal resistance test instrument.
2	Nominal Capacity	≥98Ah		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	/		Not allowed.
4	MAX charge Current	80A		Charging with this current for more than 0.5h and the added temperature of battery pack less than 20℃.
5	MAX discharge Current	100A		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 and record charge capacity. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage.
		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.

 

Safety Test

No fire, no explosion

Charing to 3.7v and do nail penetration test, there is no fire, no explosion, no any other obvious changes.

 

Nail Penetration Test and Overcharge Test

After testing, no fire and no explosion, that is definitely approved than our lithium batteries deserve you.

 

BATTERY PACK SAFETY TEST

.1 Testing condition (Unless Special Requirements)

Temperature:20±5℃ Relative Humidity: 45~75%

Atmosphere Pressure: 86~106kPa

All testing under full capacity

2 Battery Pack Safety Test

No.	Items	Standards	Testing Methods
1	Short-Circuit	The battery should be no remarkable breakage, distortion. And charge normally.	Use a resistor with less than 0.05Ω to make the battery short circuit for 1 hour. The appearance and characteristics are normal.
2	Over Discharge Protection Test	The battery should be no remarkable breakage, distortion. Appearance and charge are normal.	Discharge the battery at the rate of 0.2C with the load of 30Ω for 24h . Charging for 10sec with specified adapter , and check the voltage(≥27.6V)
3	Impact Test	The battery should be no explosion or catch fire	Place a full charged battery on a flat and put a stainless steel stick (Diamond 7.9mm) in the middle of the battery upright . Beat the steel stick with 9.1Kg

Battery Pack Reliability Test

4.1 Testing condition (Unless Special Requirements)

Temperature:20±5℃ Relative Humidity: 45~75%

Atmosphere Pressure: 86~106kPa

All testing under full capacity

4.2 Reliability Test

No.	Items	Standards	Testing Methods
1	Vibration Testing	The appearance of battery should not leakage, break or explosion	Fix a charged battery on a vibrating table, vibrate it for 90 minutes in three mutually perpendicular directions at the 0.8mm resonance. The frequency is to be varied at the rate of 1hz/min between 10 and 55 hertz.
2	High Temperature Discharge Testing	The battery should be no remarkable breakage, distortion. Discharge time should not less than 255mins	Place a full charged battery under the environments of 55℃ for 2 hours. Discharge it at the current of 0.2C to the cut-off voltage. Then keep it at 20℃±5℃ for 2 hours.
3	Low Temperature Discharge Testing	The battery should be no remarkable breakage, distortion. Discharge time should not less than 180 minute	Place a full charged battery under the environments of -20℃ for 15-24 hours. Discharge it at the current of 0.2C to the cut-off voltage. Then keep it at 20℃±5℃ for 2 hours.
4	Constant Humidity & Temperature Testing	The battery should be no remarkable breakage, distortion. Discharge time should not less than180mins	Place a full charged battery under the environments of 40℃ and 90% - 95%RH for 48 hours. And keep it in the room temperature for 2 hours. Then discharge it at the current of 0.2C to the cut-off voltage.
5	High & Low Temperature Storage	The battery should be no remarkable breakage, distortion. And charge/discharge normally	Place a full charged battery in a oven with 55±2℃ for2 hours, then keep it under 20±5℃ for 4hrs, then place it in a oven with -20±2℃ for 2 hours, then keep for 4 hours under 20±5℃, cycle as high temperature-normal temperature-low temperature-normal temperature-high temperature for 10 times

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	3.90±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	2.30±0.05V
	Over-discharge release for each cell	2.80±0.05V
	Over-discharge release method	Above the release value
Over current	Discharge over current protection	400±100A
	Protection delay time	50~200ms
	Over current release method	Release after cutoff the load.
Battery temperature	Battery Over temperature	Protection @65±5℃, Release @55±5℃
	Charge lower temperature	Protection @-10±5℃, Release @0±5℃

 

 

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

 

 

 

 

 

Warranty

• We offer 3 years warranty for battery packs in low discharge rate (below 1C) applications,
• We offer 2 years warranty for battery packs in high discharge rate (1~3C) applications.
• For charger / BMS, here are one year warranty.

 

Store

◆For long time storage ,the battery should be charged to Approx 60% SOC ,its corresponding voltage should be 1.05times of nominal voltage(24V,36V,60Vor72V),usually it's voltage in shipment .The battery should be kept in storage in dry and ventilated place.

◆ The battery pack and charger should be stored in clean, dry and ventilated place, avoid contacting with corrosive materials and be away from fire and heat.

 

Quality Control

We do below test before delivering

 

Capacity test, High current discharge test,Low temperature test, Short circuit test, Over charging test,

Over discharging test, Cycle performance test, Crush test, Impact test, Vibration test, High temperature test

 

Our Services

 

1. Special packaging design--We can provide packaging design services according to customers' guidance and experience, including Print the design of inner box and carton. no need to worry about design because we have professional designers working in our factory.
2. Within the warranty period, any defective products will be repaired or replaced free of charge.
3. Can design various sizes, capacity and logo customized.
4. Professional after-sales service system, When the batteries or BMS are broken during the warranty period, we provide a replacement.

 

FAQ

 

1. What's your advantage?

Small order is acceptable, zero risk, quality assurance.

 

2. Can you accept OEM and ODM services?
Yes, just tell me your requirements and we will provide you with the best solution.

 

3. What are your payment channels?
TT, L/C, West Union etc.

 

4. What service do you provide?
All our batteries have passed the safe test and performance test before shipment.
Support printing your logo on the battery.
Small order is acceptable.

 

5. Is your lithium battery reliable?
Yes. Overcharged, over-discharged, nail penetration test, all protected by our battery.

 

6. Can I get a lower price if I order large quantities?

Yes, very competitive prices with more quantity.

 

7. How you shipping the goods and how long it will take?
Normally FEDEX, DHL,UPS etc, around 4-7 days.

 

 

8. Can I just try samples for the first order?

Yes, 1 pcs sample and small trial order are acceptable.

 

 

 

24 hours customer service, waiting for your inquiry!