Ampere TimeAmpere TimeAmpere Time

✅Like New✅ Ampere Time 12V 50Ah, 640Wh LiFePO4 Battery & Built in 50A BMS

from $159.99

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.
  • Best Portable Power Supply for You: With 640W more efficient output & 640Wh energy, Ampere Time 12V 50Ah lithium battery provides adequate power for your camping life, lawnmowers, security devices, small Loads, etc. 
  • Perfect Replacement for 12V 100Ah Lead-acid Battery: Ampere Time 12V 50Ah lithium battery close to similar usable energy to 12V 100Ah lead-acid battery(12V×100Ah×60%DOD=720Wh) as depth of discharge of lead-acid under 1C discharging rate, but 8 times longer cycle life (4000+ cycles & 10-year life) than lead-acid.
  • 1/6 Lightweight | Even a 10-year-old Child may be Easy to Tow or Move: Ampere Time 12V 50Ah LiFePO4 battery has an extremely lightweight of 11.57lbs, only 1/6 of a 12V 100Ah lead acid battery (about 60lbs).
  • 100% Protection | Using without Risk: Ampere Time 12V 50Ah lithium battery builds in 50A BMS to protect from over charging & discharging, over current, short circuit, and over temp. Green energy, non-toxic.
  • Less than 1/2 the Price | The Best Investment for Your Money:  The cost of Ampere Time 12V 50Ah is $0.078/year/Wh and 0.294/year/Wh for 12V 100Ah lead-acid battery. Meanwhile, it is also 1/2 the price of portable power station.

Condition: Used - Very Good

  • Used - Very Good
  • Used - Like New
Will not ship until [19041994]
$199.99 $159.99
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11.57 lb



Usable capacity


Nominal Voltage


Max. Continuous Charge/Discharge Current




Max. Continuous Load Power



≥4000 times

Waterproof Level


Vehicle Service Type


Battery Cell Composition


Number Of Cells


    1. We recommend using 10AWG wires with 8mm terminal to connect our 12V 50Ah batteries in parallel.

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✅Like New✅ Ampere Time 12V 50Ah, 640Wh LiFePO4 Battery & Built in 50A BMS

Used - Very Good
Used - Very Good
$199.99 $159.99