12V Lead-acid Replacement Battery Backup Power Supply
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USD631.610-99 Piece/Pieces
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USD588100-999 Piece/Pieces
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USD544.5≥1000 Piece/Pieces
- Payment Type:
- L/C, T/T, D/P, Paypal, Money Gram, Western Union
- Incoterm:
- FOB, CFR, EXW, FCA, CPT, CIP
- Min. Order:
- 10 Piece/Pieces
- Min. Order:
- 10 Piece/Pieces
- Delivery Time:
- 28 Days
- Transportation:
- Ocean, Land, Air
- Port:
- Shenzhen, HongKong
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Contact Now| Place of Origin: | China |
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| Productivity: | 10000 |
| Supply Ability: | 5000 |
| Payment Type: | L/C,T/T,D/P,Paypal,Money Gram,Western Union |
| Incoterm: | FOB,CFR,EXW,FCA,CPT,CIP |
| Certificate: | CE |
| Transportation: | Ocean,Land,Air |
| Port: | Shenzhen,HongKong |
This 12V Lead-acid Replacement Battery Backup Power Supply is 250ah Lithium Battery Energy Backup, Renewable Energy Batteries System, Lead-acid Replacement Battery(lifepo4), Lithium Ion Battery Bank for Solar, Lithium Battery Replacement for Lead Acid, Large Capacity Lithium Battery, Led Lithium Battery, 250Ah Lithium-Ion Battery, Lithium Battery Backup Power, Renewable Energy System, Lead-acid Replacement Solar, Lead-acid Replacement Battery, Battery for Renewable Energy Storage, 12v Solar Battery.
Introduction of lead-acid battery's structure:
(1) Positive electrode data: transition metal oxide or polyanionic compounds with a layered or spinel structure with high lithium potential and stable structure, such as lithium cobaltate, lithium manganate, lithium iron phosphate, Ternary data, etc.
(2) Negative data: The potential is close to the lithium potential, the structure is stable, and many lithium-plated layered graphite, metal elements and metal oxides, such as graphite, central phase carbon microspheres, lithium titanate, etc.
(3) Electrolyte: an organic solvent in which an electrolyte lithium salt is dissolved, and supplies lithium ions. The electrolyte lithium salt includes LiPF6, LiClO4, LiBF4, etc., and the organic solvent mainly consists of diethyl carbonate (DEC), propylene carbonate (PC), and carbonic acid. One or a mixture of vinyl ester (EC), dimethyl ester (DMC), and the like is composed.
(4) Barrier: placed between the positive and negative electrodes, avoiding direct contact between the positive and negative electrodes, and allowing the polyene microporous membrane through which Li+ ions pass, such as polyethylene (PE), polypropylene (PP), or their composite membrane, PP/PE/PP three-layer barrier.
(5) Housing: battery package, mainly aluminum shell, cover plate, tabs, insulation sheets, etc.
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Battery pack |
Pack Method |
4S7P |
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Nominal Capacity |
250Ah |
Cut-off voltage:10V |
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Nominal Voltage |
12.8V |
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Energy |
3200Wh |
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Charge Voltage |
14.6V |
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Discharge cut-off voltage |
20V |
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Charge Method |
CC/CV |
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Standard Charge Current |
50A |
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Max. Charge Current |
100A |
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Standard Discharge Current |
50A |
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Max. Continues Discharge current |
100A |
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Cycle Life |
2000 times |
80% |
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Internal Impedance |
≤60mΩ |
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Dimension Cycle Life |
L519.6xW267xH219.5mm |
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Output Wire |
/ |
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Output Connector |
M8 terminal |
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Weight |
Approx.27kg |
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Working Temperature Range |
Charge: 0°C--45°C Discharge: -20°C--60°C |
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Storage Temperature |
-10°C--50°C |
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