Standard shape is Flat (side by side) as shown in photo. Stick packs may also be constructed as a "Stick" for narrow use.

There is no optional length for XH balance ends - use XH extension.

Use only Lithium chargers with an A123/LithiumWerks mode limiting charge voltage to 3.6V per cell.

Cell is purple in color as in last photo, same size as the #18650 1100mAh orange cell. 

LithiumWerks AER18650M2A2 3.2 V 1.8 Ah Lithium Iron Phosphate (LiFePO4) Battery Specifications:

Manufacturers Part Number 320749-001

Nominal Ratings:

Voltage 3.2 V

Capacity @ C/5 Typical (Min) 1.8 Ah (1.7)

Energy 5.76 Wh

Specific Energy 133 Wh/kg

Energy Density 330 Wh/L

Impedance (1kHz ACIR) < 20 m?

Cycle Life at 0.5C/0.5C, 100% DOD > 4000 cycles

Discharging:

Max Continuous Discharge Current 5.4 A (3C)

Max Pulse Discharge Current, 10s 18 A (10C)

Minimum Voltage 2.0 V

Temperature -20 oC to 60 oC

Charging:

Recommended Charge Voltage 3.6 V

Recommended Charge Current <= 0.9 A (C/2)

Max Continuous Current, >10 oC 2.7 A (1.5C)

Terminate Charge @ 3.6 V < 36 mA

Float Voltage 3.5 V

Temperature 0 oC to 60 oC

Storage:

Temperature -30 oC to 70 oC

Mechanical:

Diameter O18.5 +/- 0.1 mm

Length 64.95 +/- 0.2 mm

Mass 43.4 g +/- 1.0 g

Certifications:

Transportation shipped @ <= 30% SOC UN 3480, UN 38.3

Safety UL 1973, IEC 62620

*pending early 2024

See A123/LithiumWerks 1800 Single Cells Above for all other available data.

Want a custom pack? See our custom pack listings, or email us at Sales@RadicalRC.com, and we can special make any kind of pack you require!

Note: Photo shows sample Rx pack with double lead option.

For checking pack voltage between flights, our best advice currently is: Leave model on after flight, plug loaded volt meter directly into pack balance plug (charge port ok but not preferred) hold load engaged, switch model off. Allow pack to drain into meter for 5 seconds, take your reading. See my blog post Checking A123 RX Packs For Recharge Point for help in this area.