Where to Buy

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Manufacturer's Description

Visit Petzl's Accu 2 Ultra page.

Retailers' Descriptions

Here's what other sites are saying:

Petzl Camp & Hike Accu 4 Ultra Rechargeable Battery E55400 2 E554002.

- CampSaver.com

Features of the Petzl Accu 4 Ultra Rechargeable Battery Large capacity rechargeable battery Offers maximum battery lifeLithium-Ion Technology for excellent Performance at low temperatures Lithium-Ion Technology for excellent Performance at low temperatures Energy gauge on battery allows user to be awAre of remaining battery life Rechargeable Lithium Ion battery 4000 mAh Integrated electronic protection circuit to prevent overcharging or completely discharging the rechargeable batteries Test button with power level indicator

- Moosejaw

It never hurts to have a replacement or spare battery for those extended caving expeditions. The Petzl ACCU 2 and 4 Ultra Rechargeable batteries for Ultra Rush, Ultra Rush Belt, Ultra Vario, and Ultra Vario Belt headlamps hold enough power for 2 to 73 hours of light (depending on the headlamp and mode). When the energy gauge lets you know that you are about to be more blind than a bat hundreds of feet below the surface, you'll be grateful for the spare.

- Backcountry.com

Give your Petzl Ultra Rush Accu headlamp (sold separately) an extra boost of power with this Accu 4 Ultra rechargeable battery.