12V MODULE WITH 8X A123 26650 LIFEPO4

Here are 12v Lifepo4 modules with 8 cells in 4s2p format. Every cell is tested and confirmed to have voltage. These packs are awesome because they line up nicely if you buy more than 1. Just $9.99 per pack already spotwelded in 4s little packs. These are the best Lifepo4 cells on the market. The M1B version is the newest 26650 version from A123 and trusted for both medical and military applications. 

ANR26650M1-B Specifications
 Nominal Ratings
  Voltage: 3.3 Volts
  Capacity: 2.5 Ah
  Energy: 8.25 Wh
  Specific Power: 2600 W/kg
  Impedance (1KHz AC Typical) 6 mΩ
  Cycle Life at 1C/1C, 100% DOD: > 4000 cycles
  Cell Type: 26650 Lithium Ion Power Cylindrical Cell

 Discharging
  Max Continuous Discharage: 50 A
  Max Pulse Discharge Current >50% SOC (10s): 120 A
  Minimum Voltage: 2 Volts
  Temperature: -30ºC to 55ºC

 Charging
  Recommended Standard Charge: 2.5 Amps
  Max Charge Rate: 10 Amps
  Max Pulse Charge Current <50% SOC (10s): 25 A
  Float Voltage: 3.45 Volts
  Recommended charge V & Cut-off Current: 3.6 Volts, taper to 125mA
  Temperature
    (reduce charging current to 250mA when under 0ºC): 0ºC to 55ºC

 Mechanical
  Diameter: Ø25.96 +/- 0.5 mm
  Length: 65.15 +/- 0.5 mm
  Mass: 76 g

 Certifications
  Transportation: UN 3480 (UN38.3), CIQ
  Safety: UL 1642, IEC 62133