RECHARGEABLE Powertech SB2216 Deep Cycle Battery 12.8V 120Ah Lithium SB2216

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Powertech SB2216 Deep Cycle Battery 12.8V 120Ah Lithium SB2216

This unit came to us sealed (case unopened) and as is in the images.

We charged it to 14.60v

Discharged it to our set cutoff 10.5v @ 5A it ran for 26.03Hrs and delivered 130Ah 1667.1Wh as per the images of our testing.

N.B. Cut off voltage is 9.2v. Unit is now @11.2v ready for shipping and will need charging prior to use………….

It has a discharge current of 100A.

150A discharge for 5 secs allowing for any inverter startup surge.

The next generation of power storage is here! These LiFePO4 batteries weigh less than half of their Lead Acid counterparts. They may look fairly similar to lead acid batteries, but internally they’re a totally different, next generation concept. They’re actually made up of regular prismatic LiFePO4 cells, which are in mass production for many portable devices.

An internal battery management system (BMS) ensures all cells are uniformly charged and discharged, as well as providing short circuit, over current, and reverse polarity protection. This provides you with a higher degree of protection than a traditional lead acid battery which is unprotected, and can discharge rapidly under short circuit conditions, causing fire and damage. The internal BMS will also limit discharge and manage cut-off voltage, to further protect the internal cells.

This 120Ah model can provide continuous current up to 50A with peaks of 100A. Absolutely perfect for portable power, and replacement of similar capacity lead acid / AGM battery.

  • Much lighter than Lead Acid and AGM Batteries
  • Robust LiFePO4 Cells
  • 10+ years life span
  • 1500+ cycles (>80% capacity)


  • Cut-Off Voltage: 10V approx.
  • Charge Type: Constant Current / Constant Voltage
  • Normal Current: 100A
  • Internal Cells: prismatic LiFePO4
  • Operating Temperature: 0-45°C (60°C max discharging)
  • Operating Humidity: RH < 85%
  • Storage Temperature: 0-40°C (15-25°C recommended)
  • Storage Humidity: RH < 50%


DC Voltage Rating
DC Voltage 12.8V
Product Availability
Battery Packs and Batteries
Battery Chemical Composition Lithium Ferrous Phosphate (LiFePO4)
Battery Peak Current 200A
20 Hour Capacity 125Ah
Amp Hour Rating 125Ah
Internal Resistance 220mΩ
Product Dimensions
Length 330mm
Height 215mm
Width 175mm
Weight 12kg
Classified as dangerous goods
Dangerous in Road Freight No
Dangerous in Air Freight Yes
DG UN Number 3480
DG Pack Group II – Medium Danger
DG Ship Name 3480 – Lithium Ion Batteries
DG Hazardous Chemical Code 4W
Battery Watt Hour Rating (Required for Lithium Batteries) 1536Wh

We do our best to sort out any swollen bad packs so it is likely that most of these cells will take a charge and cycle just fine. Our shipping calculator is designed to take into consideration weight and carton size with a max weight of 25Kg, however due to size and shape of the power packs the max number of packs is limited by weight, all this has been added into our NEW calculater and New shipping contracts negotiated to give you the best possible Shipping price to your destination.

We do everything we can to supply you what you ask for but we cant see inside the power packs so you may end up with an odd mis-match keep them to one side and we’ll fix it up with your next order. However nearly every time the cell is the same value just a different Brand mostly all grade “A”cells.

Manufacturers Data Sheets provide an excellent insight into the cells design capabilities and parameters and Google is a great tool to find them. Just look for the cell data on the cell wrapping and search accordingly. The images display an example of what the the power packs look like

The health of a battery is based on three fundamental attributes:

Capacity, the ability to store energy. Capacity is the leading health indicator of a battery Internal resistance, the ability to deliver current Self-discharge, indicator of the mechanical integrity When making these measurements you must consider type and accuracy of equipment used, as well as ambient and battery temperature. Our combined cell count over our range of products goes well beyond 76k refurbished cells. Free Local pickup is available. We will also combine postage with other items so as to reduce shipping costs. Due to the nature of our Lithium products we offer no guarantees as to their use by the end users skill set and do not warrant there end use in any way. We have loads of unlisted stock so if you need cells you dont see just ask!

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