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2 Years Warranty 12volts 28ah Sealed Deep Cycle SLA Battery
| US$20.00-31.00 | 1 Piece (MOQ) |
Port:
Shenzhen, China
Production Capacity:
2000PCS/Day
Payment Terms:
L/C, T/T, Western Union, Paypal, Money Gram
Guangzhou Future Green Machinery Co., Ltd
Guangdong, China
Last Login Date:
Jun 28, 2025
Business Type:
Manufacturer/Factory
Main Products:
Lead Acid Battery, Solar Energy System, AGM Battery, Car Battery, Solar System, Solar Panel, Gel Battery, Solar Power System, Solar Controller, Solar Inverter
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Product Description
Company Info
Basic Info.
Model NO.
SJ12V28AH
Type
Lead-Acid Batteries
Usage
UPS, Electric Power, Lighting, Storing Energy
Nominal Voltage
Discharge Rate
High Discharge Rate
Shape
Electrolyte
Installation
Rechargeable
Model No.
12V28ah Sealed Lead Acid Battery
Maintenance Type
Free
Size
177*165*126*126
Weight
8.6kg/PCS
Terminal Type
Copper/Lead
Warranty
2 Year
Safety
Explosion-Proof
Plate
Flat Plate
Certificate
Ce, UL. ISO. PV
Delivery
About 15 Working Days
Trademark
FGET
Transport Package
Safe Packing
Specification
12V28AH/20HR
Origin
Guangzhou, China
HS Code
85072000
Product Description
2 Years Warranty 12Volts 28AH Sealed Deep Cycle SLA Battery
General Feature:
1. Long battery life, high capacity, Superior of recovery after discharge.
2. ABS material: increase the strength of battery container. (Flame-retardant ABS is optional)
3. High purity raw material: ensure low self discharge rate.1. Long battery life, high capacity, Superior of recovery after discharge.
2. ABS material: increase the strength of battery container. (Flame-retardant ABS is optional)
4. Silver- coated copper terminals, brass insert terminals and lead terminals improve the electric conductivity.
5. Pb CaSn alloy for plate grids: less gassing, less self-discharging high quality.
6. Maintenance-Free Operation
7. Low Self-Discharge
12V28AH Battery Parameter:
| Nominal Voltage | 12V | ||
| Nominal Capacity (20 hour rate) | 28Ah | ||
| Capacity 25°C(77°F) | 20 hour rate (1.40A 10.5V) | 28.0Ah | |
| 10 hour rate (2.70A 10.5V) | 27.0Ah | ||
| 5 hour rate (5.01A 10.2V) | 25.05Ah | ||
| 1 hour rate (16.97A 9.6V) | 16.97Ah | ||
| Internal Resistance | Full Charged Battery 25°C(77°F) | 9mΩ | |
| Capacity affected by Temperature (20 hour ) | 40°C (104°F) | 102% | |
| 25°C (77°F) | 100% | ||
| 0°C (32°F) | 85% | ||
| -15°C (5°F) | 65% | ||
| Self-Discharge 25°C(77°F) | Capacity after 3 month storage | 90% | |
| Capacity after 6 month storage | 80% | ||
| Capacity after 12 month storage | 60% | ||
| Charge (Constant Voltage) 25°C(77°F) | Cycle | Initial Charging Current Less than 8.4A Voltage 14.6-15.0V | |
| Float | Voltage 13.5-13.8V | ||
Battery Out Size:
Battery Inside Structure:
Battery Use and Maintenance:
1) Please use constant-voltage charge.
2) In floating charge, the voltage is 2.23 to 2.27 per unit cell.
3) In cycle use, the voltage is 2.35 to 2.45 per unit cell, the max. Current is no more than 25%° C
4) Please do tighten the bolts to avoid sparkle and poor contact when the battery is in use.
5) Please do not use it near the heat source and open flame.
6) Please keep it at low temperature. Please change it while there is liquid leaking or damage.
Lead acid battery series:
| Model | Voltage | Capacity (20h) | Size (mm) | Plate Number | Weight (kg) |
| SJ6V4.5Ah | 6V | 4.5Ah | 70*47*101*107 | 18 | 0.71 |
| SJ6V7Ah | 6V | 7Ah | 151*34*94*100 | 24 | 1 |
| SJ6V10Ah | 6V | 10Ah | 151*50*94*100 | 36 | 1.5 |
| SJ12V1.3Ah | 12V | 1.3Ah | 97*43*51*57 | 30 | 0.56 |
| SJ12V4Ah | 12V | 4Ah | 90*70*101*107 | 36 | 1.4 |
| SJ12V7Ah | 12V | 7Ah | 151*65*94*100 | 48 | 2 |
| SJ12V9Ah | 12V | 9Ah | 151*65*94*100 | 54 | 2.6 |
| SJ12V12Ah | 12V | 12Ah | 151*98*95*101 | 78 | 3.5 |
| SJ12V17Ah | 12V | 17Ah | 181*77*167*167 | 48 | 4.9 |
| SJ12V24Ah | 12V | 24Ah | 177*165*126*126 | 66 | 7.3 |
| SJ12V30Ah | 12V | 30Ah | 177*165*126*126 | 78 | 8.8 |
| SM12V33Ah | 12V | 33Ah | 196*131*155*180 | 42 | 9.2 |
| SM12V36Ah | 12V | 36Ah | 196*131*155*180 | 42 | 10.6 |
| SM12V38Ah | 12V | 38Ah | 196*165*175*182 | 36 | 11.4 |
| SM12V42Ah | 12V | 42Ah | 196*165*175 | 42 | 12.8 |
| SM12V45Ah | 12V | 45Ah | 196*165*175 | 42 | 13.2 |
| SM12V55Ah | 12V | 55Ah | 229*138*208*227 | 48 | 15 |
| SM12V65Ah | 12V | 65Ah | 350*166*175 | 66 | 19 |
| SM12V70Ah | 12V | 70Ah | 350*166*175 | 72 | 21 |
| SM12V80Ah | 12V | 80Ah | 350*166*175 | 78 | 22 |
| SM12V100Ah | 12V | 100Ah | 307*168*208*227 | 66 | 28 |
| SM12V120Ah | 12V | 120Ah | 406*174*208*233 | 90 | 33 |
| SM12V120Ah | 12V | 120Ah | 406*174*222*238 | 78 | 34 |
| SM12V134Ah | 12V | 134Ah | 340.5*173*280(285) | 66 | 36 |
| SM12V145Ah | 12V | 145Ah | 340.5*173*280(285) | 78 | 40 |
| SM12V150Ah | 12V | 150Ah | 483*170*241*241 | 114 | 43 |
| SM12V180Ah | 12V | 180Ah | 532*207*215*240 | 126 | 52 |
| SM12V200Ah | 12V | 200Ah | 522*240*219*244 | 138 | 59 |
| SM12V210Ah | 12V | 210Ah | 522*240*219*228 | 150 | 61 |
| SM12V260Ah | 12V | 260Ah | 522*240*219*228 | 162 | 69 |
| Front Terminal Battery | |||||
| SM12V55Ah-F | 12V | 55Ah-F | 277*106*222.5*222.5 | 66 | 16 |
| SM12V75Ah-F | 12V | 75Ah-F | 562*114*188*188 | 78 | 18 |
| SM12V100Ah-F | 12V | 100Ah-F | 394*109*286*286 | 66 | 33 |
| SM12V105Ah-F | 12V | 105Ah-F | 507*109*223*238 | 66 | 35 |
| SM12V150Ah-F | 12V | 150Ah-F | 551*109*288*288 | 66 | 46 |
| SM12V150Ah-F | 12V | 150Ah-F | 551*105*288*288 | 66 | 45 |
| SM12V180Ah-F | 12V | 180Ah-F | 560*125*316*316 | 78 | 52 |
Factory Show:
Packing Details:
Our Services:
Quality is our culture!
Samples and OEM, Warranty and After-Sale Service
Sample can be provided for quality testing
OEM Welcomed
Warranty: 2 Year
After-Sale Service: 24 Hour-Hot Line for Consultacncy and Technical Support
Our Qualification:
Payment Terms:| Payment Terms | T/T | EXW | 30% T/T in advance, paid the balance before shipment |
| FOB | |||
| CFR(C&F) | 30% T/T in advance, paid the balance against copy of B/L | ||
| CIF | |||
| L/C | L/C amount above 50,000 usd, we can accept L/C at sight | ||
| West Union | Amount lower than 5000usd | ||
| Paypal | |||
| Delivery time | 15 working days after receiving payment for one container | ||
FAQ:
Q1: How to choose a right battery?
A1: Tell us your demand, then our sales will recommend a suitable battery to you.
Q2: How about the delivery time?
A2: 7 days for sample; 15 days for bulk order.
Q3: What is the warranty of lead acid battery?
A3: 2 years warranty on FGET-Solar product.
Q4: How to solve the technical problem?
A4: 24 hours after-service consultancy just for you and to make your problem to solve easily.
Q5: How to ssk for support if products failure in warranty?
A5: 1. Email us about PI number, serial number,Product S/N number, show us more details such as: pictures, your testing report or video, if it is the quality problem of product itself, we will resend a new one in next order. 2. we will submit your case to our after sales department, and solve it in 24 hours.
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