Ampere TimeAmpere TimeAmpere Time

✅Like New✅ Ampere Time 12V 400Ah, 5120Wh Lithium LiFePO4 Battery & Built in 250A BMS

from $1,529.99

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

  • Our used batteries were bought by customers who found that they bought the wrong capacity or did not compatible with their application. But pls don’t worry, we have analyzed and tested the batteries before they’re ready to be sold. It is confirmed that there is no problem with the battery, only a little scratch on the battery's surface. And we provide a 4-year warranty for our used-like new batteries, and a 3-year warranty for the used-very good batteries.
  • 5.12kWh Larger Capacity | 3.2kW Higher Power: With 5.12kWh energy and max 3.2kW continuous load power (max 250A continuous charge & discharge current ), Ampere Time 12V 400Ah LiFePO4 battery meets your higher power and longer battery runtime at one time.
  • Grade A Cells | 8× Longer Life: Ampere Time LiFePO4 battery provides 4000+ deep cycles & a 10-year lifetime, extending the battery lifespan by 8× more than the lead-acid batteries.
  • 100% Protection | Using without Risk: Ampere Time 12V 400Ah lithium battery builds in 250A BMS to protect from overcharging & discharging, over current, short circuit, and over temp. Green energy, non-toxic.
  • 5 Hours Fast Charging: 5 hours fully charged by a 14.6V 80A dedicated LiFePO4 battery charger and Within one day by a solar panel more than 1800W.
  • 81.92 kWh Max. Energy Expansion: Ampere Time 12V 400Ah supports max 4P4S connection to reach up to 81.92kWh (51.2kW), perfect for off-grid applications, like solar or energy storage system, backup power, RV, security or surveillance systems.

Condition: Used - Very Good

  • Used - Very Good
  • Used - Like New
Will not ship until [19041994]
$1,699.99 $1,529.99
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


86.2 lb



Usable capacity


Nominal Voltage


Max. Continuous Charge/Discharge Current




Max. Continuous Load Power



≥4000 times

Waterproof Level


Vehicle Service Type


Battery Cell Composition


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

✅Like New✅ Ampere Time 12V 400Ah, 5120Wh Lithium LiFePO4 Battery & Built in 250A BMS

Used - Very Good
Used - Very Good
$1,699.99 $1,529.99