Manufacturer Description

This is the Onux 4.8V NiMH 2000mAh AA Flat Receiver Battery Pack
with Universal Connector.

FEATURES:
Ideal for .40 size and larger aircraft, nitro 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 4.8V NiMH 2000mAh AA Receiver Flat Battery Pack with
    Universal connector

REQUIRES:
Compatible Battery Charger such as the Hobbico Accu Cycle Elite,
    Hobbico 12V DC Quick Field Charger MkII, or the Great Planes
    ElectriFly Triton EQ

SPECS:
Rated Voltage: 4.8V
Capacity: 2000mAh
Max Charge Rate: 2.0A
Dimensions: 2.2 x 2.02 x 0.58" (57.2 x 51.5mm 14.8mm)
Weight: 4.05oz (115g)
Lead: 22AWG, 4.8" (122mm) with Universal connector

BOX DIMENSIONS: 2.50" W. X 1.38" H. X 3.63" L.
BOX WEIGHT: .37 LBS.