Lenz lithium pack rcB 1400 (USB-C) BT smart - schwarz
Lenz lithium pack rcB 1400 (USB-C) BT smart - schwarz
(Product No.: LZ-1335-000)
Lenz lithium pack rcB 1400 (USB-C) BT smart - schwarz

Lenz lithium pack rcB 1400 (USB-C) BT smart - schwarz

172.00 CHF UVP 200.00 CHF

incl. 8.1% tax excl. Shipping costs

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Description

The Lithium Packs rcB 1400 provide reliable warmth for sports, work, and leisure, and are compatible with all Lenz Body Heat System products, including Heat Socks, Heat Gloves, Heat Vests, Heat Jacket, and Heat Pants. You can flexibly adjust your desired warmth and stay active and efficient even at low temperatures.

The compact and lightweight battery delivers up to 20 hours of warmth at the push of a button, attaches easily to the products via robust press studs, and is hardly noticeable when worn. The heat can be controlled directly on the battery (3 levels) or continuously via the Lenz Heat App, which is especially convenient when the battery is under other clothing layers. With the USB-C charging cradle, you can recharge the Lithium Packs comfortably and transport them safely. Enjoy extra warmth – anytime at the touch of a button.


Description:

• Rechargeable Lithium Packs for heated products

• Batteries connect easily to heated products via press studs

• Adjustable heating performance via free smartphone app (continuous) or directly on the battery (3 levels)

• Compact, lightweight design – only 95 g at 8.5 x 5.5 x 1.5 cm

• Charging cradle for convenient charging (with storage mode and quick charge function)

• Charging cable with USB-C (cradle) to USB-A (power supply)

• Compatible with chargers rcB 1200, rcB 1800, rcB 2000 and Heat Pack

• Batteries charge only when the ambient temperature is neither too cold nor too hot


Package contents

• 1 pair of Lithium Packs rcB 1400 (rechargeable)

• 1 charging cradle for 2 batteries

• 1 charging cable

• 2 contact protectors

• 3 pairs of colored elastic bands

• Free Heat App (Apple App Store & Google Play)

• Warnings & safety information



Find more products here
Specifications
Shopify tagsAkkus, Beheizbare Produkte, Body Heat System
Lenz Size Chart

Lenz Size Chart

This overview is based on official Lenz sizing information. Take body and hand measurements directly on the body where possible. If a product has its own specific size chart, that product-specific information takes precedence.

Heat Socks

Size system XS S M L XL
EU 31–34 35–38 39–41 42–44 45–47
UK 1–2 2.5–5 5.5–7 7.5–9.5 10–11.5
US 1–3 4–6 7–8 9–11 12–13

Gloves

Men

Measurement S M L XL
EU 8 9 10 11
Hand circumference (cm) 20–21 21–22 22–23 23–24

Women

Measurement XS S M L
EU 6 7 8 9
Hand circumference (cm) 17–18 18–19 19–20 20–21

Unisex

Measurement XS S M L XL
EU 6/7 7/8 8/9 9/10 10/11
Hand circumference (cm) 19–20 20–21 21–22 22–23 23–24

Moto

Measurement XS S M L XL 2XL 3XL
EU 7 8 9 10 11 12 13
Hand circumference (cm) 17.8 20.3 22.9 25.4 27.9 30.4 32.9

Measure hand circumference at the widest part of the hand.

Heat Vest 1.0

Men

Measurement S M L XL 2XL 3XL 4XL 5XL
EU 46 48 50 52 54 56 58 60
UK / US 36 38 40 42 44 46 48 50
Chest A (cm) 94–98 98–102 102–106 106–110 110–114 114–120 120–126 >126
Waist B (cm) 84–88 88–92 92–96 96–100 100–104 104–112 112–120 >120
Hip C (cm) 94–98 98–102 102–106 106–110 110–114 114–120 120–128 >128

Women

Measurement XS S M L XL
EU 34 36 38 40 42
UK 8 10 12 14 16
US 6 8 10 12 14
Chest A (cm) 82–86 86–90 90–94 94–98 98–102
Waist B (cm) 70–74 74–78 78–82 82–86 86–90
Hip C (cm) 84–88 88–92 92–96 96–100 100–104

Heat Vest 2.0

Men

Measurement S M L XL 2XL 3XL
EU 46 48 50 52 54 56
UK / US 36 38 40 42 44 46
Chest A (cm) 94–98 98–102 102–106 106–110 110–114 >114
Waist B (cm) 84–88 88–92 92–96 96–100 100–104 >104
Hip C (cm) 94–98 98–102 102–106 106–110 110–114 >114

Women

Measurement XS S M L XL 2XL
EU 34 36 38 40 42 44
UK 8 10 12 14 16 18
US 6 8 10 12 14 16
Chest A (cm) 84–88 88–92 92–96 96–100 100–104 104–108
Waist B (cm) 72–76 76–80 80–84 84–88 88–92 92–96
Hip C (cm) 86–90 90–94 94–98 98–102 102–106 106–110

Heat Pants

Measurement XS S M L XL 2XL 3XL
Men EU — 46 48 50 52 54 56
Men UK / US — 36 38 40 42 44 46
Women EU 34 36 38 40 42 — —
Women UK 8 10 12 14 16 — —
Women US 6 8 10 12 14 — —
Waist B (cm) 68–72 72–76 77–82 83–88 88–94 95–100 101–108
Hip C (cm) 84–88 88–92 93–98 99–104 105–110 111–116 117–124
Inseam D (cm) 88–92 92–94 94–96 96–98 98–100 100–101 101–102

Heat Jacket

Men

Measurement S M L XL 2XL 3XL
Chest A (cm) 92–98 98–104 104–110 110–116 116–122 122–128
Waist B (cm) 80–86 86–92 92–98 98–104 104–110 110–116
Hip C (cm) 91–97 97–103 103–109 109–115 115–121 121–127
Arm length E (cm) 67 68 69 70 71 72

Women

Measurement XS S M L XL 2XL
Chest A (cm) 84–90 90–96 96–102 102–108 108–114 114–120
Waist B (cm) 72–78 78–84 84–90 90–96 96–102 102–108
Hip C (cm) 86–92 92–96 96–102 102–108 108–114 114–120
Arm length E (cm) 63 64 65 66 67 67.5

Compression Socks and Compression Sleeves

Size S M L XL
Calf circumference (cm) 24–32 32–38 38–44 44–51

Measure calf circumference at the widest point.

Performance Wear

Men

Size S M L XL 2XL 3XL
EU 44 / 46 48 / 50 52 / 54 56 / 58 60 / 62 64 / 66

Women

Size XS S M L XL 2XL
EU 34 / 36 36 / 38 38 / 40 40 / 42 42 / 44 44 / 46

Kids Underwear Set

Age 5–7 years 8–10 years 11–13 years
Height (cm) 116–122 128–140 146–158

Heated Insoles

Heat Sole 1.0 and Heat Sole 2.0: according to Lenz, they can be flexibly trimmed to fit EU shoe sizes 36–48.

Source: Official Lenz size chart and official Heat Sole 1.0 / 2.0 product information. Research checked in August 2026.