Petzl's high performance Accu 4 Ultra Rechargeable Battery is a 4000 mAh rechargeable battery for ULTRA and ULTRA BELT headlamps. Lithium Ion technology offers a greater capacity for reduced weight and excellent performance at low temperatures.
Features:
- Large scale capacity and excellent performance at low temperatures
- Prevent overcharging or completely depleting the batteries with the integrated electronic protection circuit
- Test button with power level indicator
Specifications:
- Weight: 9.3 ounces
- Maximum charges: approx 500
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