Ampere TimeAmpere TimeAmpere Time
-16%

Ampere Time 51.2V 90Ah Server Rack Battery, 4608Wh Lithium LiFePO4 Battery & Built-in 90A BMS

from $1,419.99

Free shipping, tax (vary by region) and discount codes calculated at checkout


  • Easy-Operation ON/OFF Button & 1/3 Space SavingAmpere Time rackmount 51.2V 90Ah with classic 4U dimension, it integrates a one-touch switching button makes the conduct simple. The compact design can save an appropriate 1/3 volume compared with the same capacity LiFePO4 battery and improve space utilization. It is easier to carry or move for RV, camping, and off-grid. This battery fits for outdoor camping power and indoor home energy storage with easy installation.
  • 【4.6kWh Sufficient Power Supply】Ampere Time 51.2V 90Ah LiFePO4 batteries have a 4.60kWh independent energy which is about four times larger than the regular 12.8V 100Ah battery, supporting you to build a large off-grid system and feel self-sufficient. Meanwhile, no need to connect 4*12.8V batteries in series, one single 51.2V 90Ah battery can meet a higher voltage requirement at one time. The consistency of the internal cell structure is better than 4*12.8V batteries in series connection.
  • Max. 18.43kWh Energy Expansion】Ampere Time 51.2V 90Ah battery enables combine 4 units for a gigantic 18.43kWh power (Parallel- connected only). Such a powerful energy expansion system could be widely used for home storage systems, off-grid systems, RV, trailers, and outdoor activities. The ultra-long service time allows you to carry out your RV trip perfectly without worrying about electricity. Much more flexible to DIY your own battery system accordingly.
  • Automotive Grade Lithium Battery & Intelligent 90A BMS】We adopt Automotive Grade LiFePO4 Cells with higher energy density in our battery pack, and integrate 90A BMS which is able to power 4608W loads at the same time. The sheet metal enclosure makes the battery to be exquisite and sturdy. All Ampere Time batteries pass CE certifications. The highest grade of the battery cell and highest-level safety certification enable the Ampere Time battery to be a trustworthy product.
  • Ideal Energy Storage BatteriesThe Ampere Time batteries are suitable for energy storage rather than start-up, we don’t recommend use the batteries for starting application, and pls do not use it for running as the golf cart batteries.


Size: 1 Pack 51.2V 90Ah

  • 1 Pack 51.2V 90Ah
  • 2 Pack (Save $28)
  • 4 Pack (Save $114)
Will not ship until [19041994]
$1,699.99 $1,419.99
Out of stock
Order now and get it between and hoursminutes

Fast & Free Delivery

Free shipping on all continental US orders

Support 24/7

Quick response online service within 24Hrs

30 Days Return

30-Day Money-Back Guarantee

100% Payment Secure

We ensure secure payment with PayPal and credit card

Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday
January,February,March,April,May,June,July,August,September,October,November,December
Not enough items available. Only [max] left.
Shopping cart

Your cart is empty.

Return To Shop

Add Order NoteEdit Order Note
Add A Coupon

Add A Coupon

Coupon code will work on checkout page

Ampere Time 51.2V 90Ah Server Rack Battery, 4608Wh Lithium LiFePO4 Battery & Built-in 90A BMS

1 Pack 51.2V 90Ah
1 Pack 51.2V 90Ah
$1,699.99 $1,419.99