Customized Industrial Batteries 24V 225Ah Lifepo4 Lithium ion
Battery with Metal Casing
General Information of 24V 225Ah Lifepo4 Lithium ion Battery
This specification defines the performance of rechargeable LiFePO4
battery pack manufactured by TOPBAND.
Describes the type, performance, technical characteristics, warning
and caution of the battery pack.
Specifications
| NO | Items | Characteristics |
| 2.1 | Normal capacity | 225Ah |
| 2.2 | Nominal energy | 5.76KWh |
| 2.3 | Nominal voltage | 25.6V |
| 2.4 | Internal resistance | ≤30mΩ |
| 2.5 | Series/Parallel application | Not allowed |
| 2.6 | Normal charge voltage | 29.2±0.2V |
| 2.7 | Float charge voltage(for Standby use) | 27.6±0.2V |
| 2.8 | Allowed MAX charge current | 80A |
| 2.9 | Recommended charge current | ≤80A |
| 2.10 | Allowed MAX discharge current | 100A 30min |
| 2.11 | Pulse discharge current | Withstand the 350A/3s |
| 2.12 | End of discharge voltage | 18.4~22.4V |
| 2.13 | Dimension | Length: 477±2mm |
| Width: 385±2mm |
| Height: 282±2mm |
| 2.14 | Weight (No accessories) | 65±2Kg |
| 2.15 | Operation temperature | Charge | 0～45℃ |
| Discharge | -20～60℃ |
2.16 | Self-discharge rate | Residual capacity | ≤3%/Month; ≤15%/ year |
| Recover capacity | ≤1.5%/Month; ≤8%/ year |
| 2.17 | Storage environment | ≤1month | -20～+60℃,5～75%RH |
| ≥3month | -10～+45℃,5～75%RH |
| Recommend environment | 15～35℃,5～75%RH |
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 225Ah 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: 225 A
Over current detection: 100±30A
BMS impedance: ≤20mΩ
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
LiFePO4 battery Features
- High energy density
- No environment pollution
- No memory effect, more than 3000 times cycles life
- Safe and reliable, non-explosive under piercing, non-incinerated
under over voltage.
- Low self discharge
- About 1/3 the weight of lead-acid batteries
- Easy installation and carrying, can be carried and installed in any
direction
- Wide temperature performance
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 of 24V 225Ah
Lifepo4 Lithium ion Battery
Testing Conditions: Ambient Temperature: 25±5℃; Huminity:45%~75%
Normal charge:Charge battery under CC(0.33C)/CV( 29.2V) mode until
over charge protection or the charge current reduce to 0.05C, and
then rest for 1h.
| NO | Items | Criterion | Condition |
| 3.1 | Normal Capacity | 225Ah | After Normal charge, discharge @0.33C current to the end of
discharge voltage. |
| 3.2 | Internal Impedance | ≤30mΩ | @50% SOC @1kHz AC internal resistance test instrument. |
| 3.3 | Short circuit protection | Auto cutoff load when short circuit | Connect the positive and negative of this battery pack through a
lead with 0.1Ω resistance. |
| 3.4 | Cycle life @DOD100% | ≥2000 cycles | After Normal charge,discharge @0.33C current to the end of
discharge voltage. Repeat above process until discharge capacity
reduce to 80% of initial value. |
| 3.5 | Discharge temperature
characteristic@0.33C | -20℃(6h) | ≥70% | Ratio of Capacity @specified temperature
/Capacity @ 25℃ accord with Criterion |
| 0℃(6h) | ≥80% |
| 25℃(4h) | ≥100% |
| 55℃(4h) | ≥95% |
| 3.6 | Capacity retention rate | remain capacity
≥96% | After normal charge, store the battery @25±5℃ for 28days, then
discharge capacity @0.33C,the retention capacity accord with
criterion. |
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℃.
