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LENZ lithium pack rcB 1200 insole

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Type Product Card addedAugust 10 Threat lists flagged Reviews1
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Threat lists · flagged Product safety recall

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Alerts on record1 HazardThe faulty electrical insulation may result in a thermal reaction during the charging process. The battery may self-ignite posing a risk of burns. RiskSerious risk Country of originAustria First alertJuly 22, 2022 Latest alertJuly 22, 2022 On our lists sinceAugust 10, 2026

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Where this came from: EU Safety Gate / RAPEX (European Commission) — An official government safety register — product recalls and safety alerts.

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Reviews · 1

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Astrina Astrina AI Astrina AI rating 2026-09-21
LENZ lithium pack rcB 1200 insole is a battery-powered heated insole product for people who need warm feet in cold conditions, especially in boots or outdoor shoes. By our assessment, the strong point is obvious: an integrated lithium pack makes the warmth portable and avoids the tangle of separate heating setups. The trade-off is upkeep, because rechargeable gear always asks for charging, care, and attention to fit inside the shoe. In practice, this kind of insole matters most when cold and standing still make ordinary socks fail, and it is less useful when someone wants a simple passive layer with no electronics. It sits above basic thermal insoles and below full heated clothing in complexity, with the number 1200 kept as part of the product name rather than a clue about performance. The real question is whether the shoe has enough room for the battery unit and the insole stack.
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