LiFePO4 Electric Forklift Battery 48V 75AH With Built - In BMS Protection
This specification defines the performance of rechargeable LiFePO4 battery pack describes the type, performance, technical characteristics, warning and caution of the battery pack.
Specifications
| NO | Items | Description | | Normal specification | | 1 | Nominal Voltage | 51.2V | | 2 | Normal Capacity | 75Ah | | 3 | Internal Resistance | ≤40mΩ | | Standard Charge | | 4 | Battery operation temperature range @charging | 0~45℃ | | 5 | Normal charge voltage | 58.4±0.4V | | 6 | Recommended float charge voltage(for Standby use) | 55.6±0.4V | | 7 | Allowed MAX charge current | 60A@Battery initial Temp 25±5℃ | | 8 | Recommended charge current | ≤40A | | Standard discharge | | 9 | Battery operation temperature range @discharging | -20~60℃ | | 10 | Output Voltage Range | 36.8~58.4V | | 11 | Allowed discharge current | 100A withstand 30min @Battery initial Temp 25±5℃ | | 12 | Peak discharge current | 350A withstand 3s | | 13 | Discharge Cut-off voltage | 36.8V | | Mechanical Characteristics | | 14 | Dimension | Length 520±3mm | | Width 269±3mm | | Height 221±3mm | | 15 | Weight | Approx. 37.7Kg | | 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
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±50A |
| Protection delay time | 50~200ms |
| Over current release method | Release after 8s. |
| Over & Lower Temperature | Battery over temperature | Protection @65±5℃ |
| Release @55±5℃ |
| Battery Lower temperature @charging | Protection @-5±5℃ |
| Release @5±5℃ |
Product advantage
a. Life 4500 cycles, more than 85%.
b. Large overcharge tolerance and safer performance.
c. Self balance.
d. Four times higher energy density than Lead-acid battery.
e. Light weight and smaller than Lead-acid battery.
f. High temperature performance.
g. Low self discharge
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).
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.
Electrical Characteristics & Test Condition
Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%.
| NO | Items | Criterion | Condition |
| 1 | Internal Impedance | ≤40mΩ | Test the internal resistance of 50% SOC battery pack with 1 kHz AC internal resistance test instrument. |
| 2 | Capacity | ≥73.5Ah | 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 | 60A | 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 10min 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. |
Applications for LiFePO4 Battery 12V:
· 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
Lighter Weight: About 30% of the weight of a comparable lead acid battery. A ‘drop in’ replacement for lead acid batteries.
Higher Power: Delivers twice power of lead acid battery, even high discharge rate, while maintaining high energy capacity.
Superior Safety: Lithium Iron Phosphate chemistry eliminates
the risk of explosion or combustion due to high impact, overcharging or short circuit situation.
Increased Flexibility: Modular design enables deployment of up to four batteries in series and up to ten batteries in parallel.
For the warranty and after-service for Vict LiFePO4 battery pack, we will follow the following principle.
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
The battery need to be charged every 6 months if out of use; No fall down, no pile up over 6 layers, and keep face up.
Warning
* Battery must be far away from heat source, high voltage, and no exposed in sunshine for long time.
* Never throw the battery into water or fire;
* Never reverse two electrodes when use the battery;
* Never connect the positive and negative of battery with metal;
* Never knock, throw or trample the battery;
* Never disassemble the battery without manufacturer's permission and guidance.
Never use mixed with other type of battery;
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
Battery Pack Delivery
• By Air Door to Door Service
• By Sea Door to Door Service
• By Express: EMS, TNT, UPS, FedEx
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!
Quick delivery
Fast delivery is key factor for clients to compete in the market. We attach much importance to quick delivery as much
as we do in our LiFepo4 lithium battery quality. We will keep our clients updated with tracking number all the time and latest tracking info until the order of LiFePO4 lithium Battery arrives at our clients safely.
Quick delivery
Fast delivery is key factor for clients to compete in the market. We attach much importance to quick delivery as much
as we do in our LiFepo4 lithium battery quality. We will keep our clients updated with tracking number all the time and latest tracking info until the order of LiFePO4 lithium Battery arrives at our clients safely.
Packing and shipping
• Fedex/DHL/UPS/TNT for sample . Door to Door
• By Air or by Sea for Bulk goods , for FCL . Airport Port receiving
• Customers specifying freight forwarders or negotiable shipping methods
• Delivery Time: 7-15 days for samples , 25-35 days for bulk goods time
Packing and shipping
• Fedex/DHL/UPS/TNT for sample . Door to Door
• By Air or by Sea for Bulk goods , for FCL . Airport Port receiving
• Customers specifying freight forwarders or negotiable shipping methods
• Delivery Time: 7-15 days for samples , 25-35 days for bulk goods time
Packing and shipping
• Fedex/DHL/UPS/TNT for sample . Door to Door
• By Air or by Sea for Bulk goods , for FCL . Airport Port receiving
• Customers specifying freight forwarders or negotiable shipping methods
• Delivery Time: 7-15 days for samples , 25-35 days for bulk goods time
Advantages of battery:
Advantages of battery:Longer Cycle Life: Offers up to 20 times longer cycle life and five times longer float/calendar life than lead acid battery, helping to minimize replacement cost and reduce total cost of ownership.
Lighter Weight: About 40% of the weight of a comparable lead acid battery. A 'drop in' replacement for lead acid batteries.
Higher Power: Delivers twice power of lead acid battery, even high discharge rate, while maintaining high energy capacity.
Superior Safety: Lithium Iron Phosphate chemistry eliminates the risk of explosion or combustion due to high impact, overcharging or short circuit situation.
Increased Flexibility: Modular design enables deployment of up to four batteries in series and up to ten batteries in parallel.
Wider Temperature Range: -20℃~60℃.
