Batteries


48V LiFePo4 Batteries

These are some great value and high quality sources for 48V server rack solutions. 48V server rack battery systems are the lowest cost and easiest way to build a powerful battery backup system. I recommend LiFePo4 battery chemistry, you will get the most cycles and longest life.


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NEW BUDGET VERSION!! - SOK Battery 100Ah 48v Server Rack Battery
This is supper exciting! Get an SOK quality serviceable battery at the lowest price on the market. Currently $1,350!! This budget no frills version has built in BMS with 2 temperature sensors and built in circuit breaker. There is no pre-charge circuit, so be sure to use a pre-charge resistor when connecting to inverters. All cells have bolted connections. This will save you $1,500 on a full server rack! This battery is not UL listed, so keep that in mind if you will need to get an inspection.

Purchase through Current Connected. SOK SK48V100-NCBTopen_in_new
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SOK 100Ah 48v Server Rack Battery
Quality construction. Built in BMS with temperature sensors and built in pre-charge circuit. Built in screen for easy monitoring and control. Best 48V battery for serviceability. All cells have bolted connections. If you are just getting one battery and don't want to have a separate battery monitor this is the best solution. This battery is UL1973 & UL9540A certified, UL9540 pending.

Purchase through Current Connected.open_in_new
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Fully Loaded 25kWh SOK 48v Server Rack Battery Kit
Bundle & Save by purchasing batteries and racking together. Includes cables for connecting the batteries. Quality construction. Built in BMS with temperature sensors and built in pre-charge circuit. Built in screen for easy monitoring and control. Best 48V battery for serviceability. All cells have bolted connections.

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EG4-LifePower4 Lithium Battery | 48V 100AH | Server Rack Battery | UL1973
Best value solution. Quality construction. No screen interface. Built in BMS with temperature sensors.

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EG4-LifePower4 Lithium Batteries Kit | 30.72kWh | 6 Server Rack Batteries With Free Pre-Assembled Enclosed Rack | With Door & Wheels
Bundle & Save by purchasing batteries and racking together. This is the best price for the capacity.

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EG4-LL Lithium Battery (V2) | 48V 100AH | Server Rack Battery | UL1973
Similar to SOK battery. Quality construction. Built in BMS with temperature sensors. Built in screen for easy monitoring and control.

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EG4-LL Lithium Batteries Kit (V2) | 30.72kWh | 6 Server Rack Batteries With Free Pre-Assembled Enclosed Rack | With Door & Wheels
Bundle & Save by purchasing batteries and racking together. This package includes the batteries with built in screens like the SOK system.

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12V LiFePo4 Batteries

There are lots of options for 12V batteries. The ones listed below are ones that I have high confidence in and are either great value or high quality solutions. I recommend LiFePo4 battery chemistry, you will get the most cycles and longest life.


Get an additional 3% off site wide at LiTime with code: Dave3

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LiTime (used to be AmpereTime)
Good value for money. I've tested their 12V 100Ah batteries with great results. 3% OFF Site Wide CODE: Dave3

LiTime direct site and use coupon code.open_in_new

You can also purchase LiTime/AmpereTime batteries from Amazon

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Ampere Time 12V 100Ah LiFePO4 Battery
Great Value 12V 100Ah LiFePO4 Battery

Purchase on Amazon.open_in_new
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Ampere Time 12V 200Ah Plus Lithium LiFePO4
Great Value 12V 200Ah LiFePO4 Battery

Purchase on Amazon.open_in_new
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EG4-WP Waterproof Lithium Battery | 12V 100AH | Bluetooth
EG4 always has great value for the money.

Purchase from Signature Solar. open_in_new
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SOK Battery | 100Ah 12v | LiFePO4 Battery
SOK batteries cost more, but are very high quality.

Purchase from Current Connected.open_in_new
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SOK Battery | 206Ah 12v | LiFePO4 Battery
Higher capacity, or you can put multiple 100Ah batteries in parallel.

Purchase from Current Connected.open_in_new