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Trail eXtender Batteries



Trail eXtender Bottle Batteries Now Available For Bikes with the Shimano Drive System.

Two Sizes

252 WH – 1.3Kg (50% Range Improvement Over a 504WH)
378 WH – 1.9Kg (75% Range Improvement Over a 504WH)

252WH 77mm Diameter & 180mm Length
378WH 77mm Diameter & 250mm Length

252WH Kit S700

378WH Kit $900

Installation and shipping charges not included In Kit Prices

Fitment Varies per bike depending on size of triangle

Batteries can not be used alone, They are used in conjunction with the main battery to provide an increased range.

Inquire directly to discuss options and fitment locations for you bike.

DIY Fitment is possible, However Motor needs to be dropped and two wires soldered together to complete fitment.

Please Note:

Does not plug into existing eBike charge port
Original Factory Loom Modification Required
Kit requires exchange of original Shimano Loom
Cannot be used individually must be used in conjunction with the internal Shimano battery

Available For Australia And New Zealand.

Additional information


252wh, 378wh


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