Ultralife Batteries on Wednesday said it had received multi-year contracts valued at up to $US25 million from General Motors and one of its joint venture partners to supply back-up batteries for GM’s OnStar Telematics system, the Associated Press (AP) reported.

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The contracts call for the production and supply of custom-designed Ultralife HiRate non-rechargeable lithium back-up batteries for use in two of GM’s vehicle platforms.

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