This is the Onyx 7.2V NiMH 5000mAh Stick Battery with Standard Plug.

FEATURES: Stick cell configuration
Ideal sport pack for cars, trucks and boats
2-year limited warranty-Onyx brand batteries are warranted to be
free from defects in materials and workmanship for a period of two
years from the date of purchase. During the first twelve months,
ONYX will, at our discretion, repair or replace without service
charge any product deemed inoperable due to those causes.
After the first full year of warranty coverage ONYX will provide
extended warranty coverage for another 12 months covering only
defects in materials and workmanship. Extended coverage is limited
and does not cover problems caused by abuse, misuse, and improper
maintenance, failure to follow instructions, ordinary wear, or use
past the battery's maximum rated number of cycles.

INCLUDES: Onyx 7.2V NiMH 5000mAh Stick Battery with Standard Plug

REQUIRES: NiMH compatible charger such as the Duratrax Onyx series

SPECS: Dimensions: 5.5 x 1.9 x 1.0" (140 x 48 x 25mm)
Weight: 15.1oz (427g)
Cell Size: Sub C
Capacity: 5000mAh
Max Charge Rate:
Number of Cells in Series: 6
Rated Voltage: 7.2V
Discharge Wire Gauge: 14AWG
Discharge Wire Length: 4.9" (125mm) not including connector