| Prod Model: |
3FM4.5 |
| Payment: |
T/T.Western Union |
| Warranty: |
12 Months |
| Weight: |
0.7-0.73kg |
| Shipment: |
by Sea |
| Certificate: |
SGS |
| Delivery: |
25 Days After Depoit |
| Positive Plate: |
Lead |
| OEM/ODM: |
Available |
| Self-Discharge: |
Low |
| Maintenance Type: |
Free |
| Type: |
Lead-Acid Batteries |
| Usage: |
Lighting |
| Nominal Voltage: |
6V |
| Discharge Rate: |
High Discharge Rate |
| Shape: |
Flat Battery |
| Rechargeable: |
Chargeable |
Product Description
Product Introduce
3FM4.5 Deep Cycle Maintenance Free Dongjin battery for solar 
Product Performance:
1.High Capacity: Outside Formation with real capacity more than 100%, specific energy reach 35-38 wh/kg.
2.Long Cycle Life: 10% longer than similar products with special grid and plate technology to extend cycle life.
3.Safety and Maintenance Free: Unique design of safety valve, arrangement of any direction does not cause leakage.
Product Application:
1.Electric Bikes, Electric Scooters, electric cars
2.Electric Motorcycles, Electric Tricycles, golf cars
3.Battery-powered wheelchairs, traction, mowers
4.Electric Tools, electric sweeper, electric cooler/heater, etc
5.Other electric devices requires DC power supply
6.Green energy like solar power, UPS and storage power
Product Parameters
| Battery Specification | Battery Characteristics |
| Nominal Capacity | 6V | Capacity | 20hr | 9AH |
| Nominal Capacity(2hr) | 4.5AH | 5hr | 7.5AH |
| Dimensions | L(mm) | 70 | 3hr | 5AH |
| W(mm) | 47 | 2hr | 4.5AH |
| H(mm) | 100 | Open-circuit Voltage | 13.1-13.5 |
| TH(mm) | 106 | Charging Voltage(V) | Float Charging | 13.5-13.8 |
| Weight(kgs) | 0.7-0.73 | Cycles V | 14.5-14.8 |
| Container Material | ABS | Max Discharging Current(A) | 60A(5S) |
| Internal Resistance(mΩ) | ≤20 | Max Charging Current(A) | 1.7A |
| Capacity at different temperature | 40ºC | 102% | Remain Capacity(2hr) | 1 Months | 90% |
| 25ºC | 100% | 3Months | 80% |
| 0ºC | 85% | 6 Months | 60% |
| Charging Curve | Battery Picture |
6V4.5(1pcs/set)
Phase I:The maximum charging current is 1.7A,voltage gradually increase to 14.4V.
Phase II:Charging voltage gradually increases from 14.4V to 14.7V,when charge current gradually decreases to around 0.40-0.50A,converted to float (trickle)charge.
Phase III:Constant charge Voltage13.75V. |
Main Products | Model | Voltage(V) | Capacity(AH) | Dimmension(mm) | Weight(KG) |
| 3FM4.0 | 6 | 4 | 70*47*100 | 0.71 |
| 3FM4.5 | 6 | 4.5 | 70*47*100 | 0.73 |
| 3FM5.0 | 6 | 5 | 70*47*100 | 0.82 |
| 6FM6.0 | 12 | 6 | 151*65*93.5 | 1.85 |
| 6FM6.5 | 12 | 6.5 | 151*65*93.5 | 2.05 |
| 6FM7 | 12 | 7 | 151*65*93.5 | 2.1 |
| 6FM7.2 | 12 | 7.2 | 151*65*93.5 | 2.2 |
| 6FM7.5 | 12 | 7.5 | 151*65*93.5 | 2.3 |
| 6FM9 | 12 | 7.5 | 151*65*93.5 | 2.66 |
| 6FM10 | 12 | 10 | 151*98*95 | 3.35 |
| 6FM12 | 12 | 12 | 151*98*95 | 3.5 |
| 6FM14 | 12 | 14 | 151*98*95 | 4.05 |
| 6FM15 | 12 | 15 | 181.5*77*167.5 | 4.4 |
| 6FM18 | 12 | 18 | 181.5*77*167.5 | 5.4 |
| 6FM20 | 12 | 20 | 181.5*77*167.5 | 5.78 |
Factory&Exhibition 
Why Choose Us
Dongjin group company was found in 1993,which adhere to the"quality first,integrity and innovation"as the guiding principle, with the excellent quality and first-class customer service to satisfy customer product quality requirements,from raw material procurement to made the process strictly and Dongjin Group has a weath of QC team,first-class advaned assembly line,strict management systerm,as we mve toward Europe ,North America,Asia,more than 50 countries and regions in tne middle-East and Africa customers provide quality and service
Our advantage:
1.Wide range of products: E-bike battery, Sealed Lead-Acid Batteries,MF Automotive Batteries,UPS/Solar Batteries,electric tricycle battery.
2.Guaranteed Quality: We use external chemical technology, battery life more than the average length of 10% to 15%
3.Your Reliable Supplier: We have almost 25 years experiences in producing battery products for various application.
FAQ
1.Q:May I take some samples to test before placing thhe order?
A:yes,we can send you a sample to you for test.
2.Q:Can you put my loge on the unit?
A:Yes,we can satisfy you to put the logo on the unit.
3.Q:Why our price competitive.
A:Because the lead plate,battery case ect,all battery accessories all from our produce.
4.Q:Can the price be cheaper?
A:Yes,you will be offered a good discount for big amount
Dongjin Group, found in 1993, specialize in research, development, manufacturing and sales of lead-acid battery including globally known KINON and DONGJIN brand batteries. In 2012, our company establish factory in Jiangxi covered area of more than 200, 000, and in 2016 start the biggest battery production factory in Bangladesh with totally area more than 40000 square meters.
With independent R&D team, company have adopted advanced production equipment and testing methods, and effectively guarantee the quality of products, products with high capacity small volume, light weight, long lifespan, high performance, with excellent performance won the majority of consumer recognition and dependence. Widely used in automobiles, electric vehicles, electric power, telecommunication, UPS system, EPS system, security, electric tools, emergency lighting and etc. Fields.
Dongjin Group adhere to the "quality first, integrity and innovation" as the guiding principle, with excellent quality and first-class customer service to satisfy customer product quality requirements, from raw material procurement to made the process strictly and Dongjin Group has the QC team, first-class advanced assembly line, strict management system, as we move towards Europe, North America, Asia, more than 50 countries and regions in the middle-east and Africa customers provide quality and services.
