In stock

Upgraded 51.2V 100Ah Server Rack LiFePO4 Battery [Receive in 8weeks]


Purchase from our Main Europe website:[ Here! ]


1. Communicate with Growatt/MPP/Sol-Ark/Victron/Luxpower/Deye Inverter

2. Power key (for BMS On/Off)

3. Size:442*462*170mm | Weight:45kgs

4. 4000 Times Cycle Life

5. Recommend <50A Charge | <100A Discharge

6. Capability 100A Max Charge Current | 110A Max Discharge Current

7. 4U Size | 19″ Rack Installation | Rack Stack Installation with Side Handler

8. Free Shipping Option (Buy >4 pcs)

Pre-Order, Receive in May

Due to the weight and nature of this product, it must be shipped by Freight.  The shipping price is 150Euro flat, and free shipping if buy 4 batteries or more.

Important Upgrades:

1.BMS On/Off Key 

2.Communication: Growatt/MPP/Sol-Ark/Victron/Luxpower/Deye Inverter

SKU: JK48V100 Category:
Pre-Order, Receive in May


  • Communicate with Growatt/MPP/Sol-Ark/Victron/Luxpower/Deye Inverter
  • >4000 Cycles at 80% depth of discharge
  • Power key (for BMS On/Off)
  • Create 48 Volt Storage Systems
  • Connect in parallel, up to 16 for 81,920 Watts
  • Automatic system cell balancing
  • All parameters available on LCD display
  • Temperature monitoring (high and low cut-off), 6 temperature sensors
  • Exceptional voltage stability
  • Maintenance-free
  • No hydrogen generation or gassing
  • <70% the weight of similarly sized SLA batteries

Additional information

Weight 100 lbs
Dimensions 21 × 20 × 12 in


Nominal Voltage Nominal Voltage

51.2 V

Nominal Capacity Nominal Capacity

100 Ah

Dimension (LxWxH) Dimension (LxWxH)

17.4 x 18.2 x 6.7″ (442x460x221mm)

Approx. Weight Approx. Weight

99 lbs ( 45 Kg )

Capacity @ 20A Capacity @ 20A

300 min

Energy Energy

5120 Wh

Resistance Resistance

< 50mΩ

Self Discharge Self Discharge

< 3%

Cells Cells

3.2V 100Ah Cells

Recommended Charge Current Recommended Charge Current

20 A

Maximum Charge Current Maximum Charge Current

100 A

Recommended Charge Voltage Recommended Charge Voltage

56 – 58.4 V

BMS Charge Cut-Off Voltage BMS Charge Cut-Off Voltage

> 59.2 V

Reconnect Voltage Reconnect Voltage

< 54 V

Balancing Voltage Balancing Voltage

(Cell > 3.4 V When Charging)

Maximum Continuous Dishcarge Current Maximum Continuous Dishcarge Current

100 A

BMS Discharge Current High Warning BMS Discharge Current High Warning

105 A

BMS Discharge Cut-Off Current 110 A (1000ms)
Low Voltage Warning 44.8 V ( 2.8 V/Cell*16)
BMS Discharge Cut-Off Voltage <40V( or Cell<2.5 V) (1 s)
Reconnect Voltage >42.5 V
Short Circuit Protection 300 μs
Terminal Type M8x4
Terminal Torque 106 ~ 132 in-lbs ( 12 ~ 15 N·m )
Case Material Steel
Recommended Connection Wire 6 AWG
Temperature Sensor Quantity 6 pcs
Discharge Temperature – 4 ~ 140 °F ( – 20 ~ 60 °C )
Charge Temperature 23 ~ 131 °F ( – 5 ~ 55 °C )
Recommended Storage Temperature 23 ~ 95 °F ( – 5 ~ 35 °C )
BMS High Temperature Cut-Off 149 °F ( 65 °C )
Reconnect Temperature 140 °F ( 60 °C )


JK48V100 BMS SOFTWARE V2.04 (1.66MB)

USB-232 Driver (48.62MB)

JK48V100 Anti-Theft (9.39MB)JK48V100 LiFePO4 Battery Specification (442KB)



All our products come with a 10-year limited warranty.

  • Covers any defects in materials or workmanship
  • Covers LiFePO4 cells failure over 10 year
  • Covers the original purchaser only, non-transferable.

Changing any settings in the BMS will VOID the warranty.  Only the factory set parameters are warranted.


Reply in 24 hrs

3 reviews for Upgraded 51.2V 100Ah Server Rack LiFePO4 Battery [Receive in 8weeks]

  1. Colby Cranford

    Saved as a favorite, I really like your blog!

    Was this review helpful to you?
  2. Kimberely Millis

    An intriguing discussion is worth comment. I think that you should write more on this subject, it may not be a taboo matter but typically people do not talk about these subjects. To the next! Many thanks!!

    Was this review helpful to you?
  3. Brett Trench

    Howdy! I simply want to give you a big thumbs up for your excellent information you have got right here on this post. I am coming back to your website for more soon.

    Was this review helpful to you?
Add a review

Your email address will not be published. Required fields are marked *