Batteries. Expressions of Interest are invited from interested suppliers for the supply of small battery cells. There are three types of cell required, the specifications of which can be found below.

Cell 1.

Dimensions in mm (LxHxW): 20 x 45 x 4 The width must not exceed 4 mm, however minor variations in the Length and Height may be acceptable.

Rated Capacity 850 mAh.

OCV 3.65 Volts.

Max Current 22 mA (pulse).

Pulse Current of 34 mA for >5 s.

Chemistry Lithium Thionyl Chloride (Li/SOCl2).

Cell 2.

Dimensions in mm (LxHxW): 29 x 29 x 4.

The width must not exceed 4 mm, however minor variations in the Length and Height may be acceptable.

Rated Capacity 300 mAh.

Voltage 3.7.

Current 300 mA.

Chemistry Lithium Polymer or equivalent.

Cell 3.

Dimensions in mm (LxHxW): 17 x 36 x 1.96 The width must not exceed 2 mm, however minor variations in the Length and Height may be acceptable.

Rated Capacity 225 mAh.

OCV 3.65 Volts.

Max Current 215 mA (pulse).

Pulse Current of 34 mA for >5 s.

Chemistry Lithium Thionyl Chloride (Li/SOCl2).

Requirements.

Cells will have an expected shelf life of around 2 years.

Cells are to be pre charged.

This requirement is subject to financial approvals and dates may be subject to change.