2S4000T: 7.4v 4000mAh Li-PO battery with Red T connector 400DX Square pack dimensions: 1 1/8"

Square pack dimensions: 1 1/8" long x 1 1/8" across x 5/8" tall

Can also be ordered with Red T Ultra connector

Toshiba Satellite M50-228

Insert size approximately 1

The overall dimensions of both shapes are similar

2S4000T: 7.4v 4000mAh Li-PO battery with Red T connector 400DX Square pack dimensions: 1 1/8"2S4000LPJR : 7. 4v 4000mAh rechargeable Li PO receiver battery for RC models. Dimensions: 2 3 4" across, 2" tall, 3 4" thick (68mm x 52mm x 19mm.). Weighs 5. 3 ounces (150gms). Replaces SPMB4000LP etc. Includes Balance charging connector, EC3 connector, and JR male connector (plugs into receiver). Suitable for use with SPEkTRUM, JR, HiTEC, Futaba, Airtronics Z receiver systems, and more. Re charges with smart Li PO charging systems (YT 0006, B3AC,