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Gallery View: Up to 200Ah sealed lead-acid batteries from China
Global SourcesUpdated on 2023/12/01
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China suppliers of sealed lead-acid batteries are working to release types with higher specific energy and longer life span.
Efforts to update lead-acid batteries, including sealed types, have yielded types that boast high specific energy and long operating life span. One is based on lead and activated carbon, with the latter used as negative electrode therefore lowering the lead content, and the other combines battery and ultracapacitor technologies.
In China, manufacturers of sealed lead-acid batteries hope to pursue these kinds to capitalize on the expanding market fueled by the fast-developing automotive, telecom and networking industries.
Such advanced variants have specific energy as high as 60 to 80Wh/kg and 600 to 700W rated power, or nearly comparable with lithium counterparts, while life span reaching 4,500 cycles surpasses that of their rival.
So far, only Narada is reportedly engaged in R&D on hybrid units that employ activated carbon, while there have yet to be local releases adopting ultracapacitors.
At present, China companies leverage traditional lead-acid batteries' advantages over lithium types in terms of safety and prices. They are expecting higher total sales value, which hit $25.9 billion in 2015. The rate of increase in the next five years is projected between 5 and 10 percent, according to the China Industrial Association of Power Sources.
The products in this gallery have been handpicked by our China-based market analyst for representing current trends in sealed lead-acid batteries.
12Ah capacity for solar power systems, UPS
Model CS12-12 sealed lead-acid battery from CSPower Battery Tech Co. Ltd is designed for solar power systems and UPS. It provides 12Ah capacity at a 20-hour rate. Initial current is less than 3.6A.
The 12V unit requires a constant voltage of 14.4 to 15V at 25 C for cyclic use charging, and 13.6 to 13.8V at 25 C for standby use charging.
The minimum order is 50 units for delivery within 15 days.
7Ah capacity for solar power systems, UPS
CSPower Battery Tech Co. Ltd's CS12-7 model is a sealed lead-acid battery that can discharge 7Ah over a 20-hour period. It has rated voltage of 12V and initial current of less than 2.1A. Cyclic and standby use charging are supported respectively at 14.4 to 15V and 13.6 to 13.8V in 25 C. The unit suits solar power systems and UPS.
An order of at least 500 units is required. Delivery lead time is 15 days.
Delivers 4 to 4.5Ah at 20-hour rate
This sealed lead-acid battery from Kaiying Power Supply & Electrical Equip Co. Ltd, 3FM4 (6V4Ah/20Hr) model, has 4 to 4.5Ah capacity at a 20-hour rate. Its nominal voltage is 6V.
The unit measures 70x47x99mm, with total height reaching 105mm. It weighs 660g.
The minimum order quantity is 1,000 units and the delivery lead time 15 days.
7 to 7.5Ah capacity over 20-hour period
Kaiying Power Supply & Electrical Equip Co. Ltd's 6FM7 (12V7AH/20HR) model has nominal voltage of 12V and can discharge 7 to 6.5Ah over a period of 20 hours. Dimensions are 151x65x94mm and total height is 100mm. The unit weighs 2kg.
The minimum order of 1,000 units has a delivery lead time of 15 days.
200Ah capacity, 7 to 9-year float life span
The SW122000 (12V200AH) model from Shenzhen Sunnyway Battery Tech Co. Ltd provides 200Ah capacity and is designed with a float life expectancy of seven to nine years at 25 C. It has low self-discharge and float current, and supports -40 to 65 C operating temperature.
The ABS case and cover are flame-retardant and comply with UL 1778. The battery comes in 59, 60.8 and 62kg variants. It is priced at about $168. This may change depending on the cost of lead.
The maker requires a minimum order of 50 units. Delivery is within 25 days.
100Ah capacity, 7 to 9-year float life span
Shenzhen Sunnyway Battery Tech Co. Ltd offers this SW121000 (12V100AH) model, a sealed lead acid battery with 100Ah capacity. Its designed float life span is 7 to 9 years at 25 C.
The $82.50 unit boasts low self-discharge and float current. It operates in as low as -40 C to as high as 65 C. Its flame-retardant ABS case and cover meet UL 1778 requirements. The battery comes in 28.5, 29.5 and 30.5kg versions.
The minimum order is 50 units, which are delivered within 25 days.
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