Ferei Li-ion Quad Battery Pack (10,400mAh)~
Professional lithium battery power pack, which can be used with the Ferei HL08, HL20 and HL40 head torches (plus the AA versions). Ideal for overnight or multi-night runs. We recommend also purchasing the 80cm extension cord so the battery can be placed in your backpack.
- Contains 4 x 18650 3.7V rechargeable Li-ion batteries in a sealed unit
- Pack is a whopping 10,400mAh
- Charges from the Ferei power adaptor that comes with every Ferei headlamp
- Weight - 235g
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