Lenz Lithium Pack rcB 1400
CHF 159.00*
% CHF 199.90* (20.46% saved)Ready for immediate shipment, delivery in 1-3 working days
Product number:
AR16552
Product information "Lenz Lithium Pack rcB 1400"
The Lenz Lithium Pack rcB 1400 (USB-C) BT Smart are compact and lightweight rechargeable batteries for all Lenz Body Heat System products. They provide up to 20 hours of reliable heat and can be flexibly controlled via the battery itself or the free Lenz Heat app. Weighing just 95 g and with a practical charging cradle, they are ideal for sport, work and leisure.
Highlights of the Lenz Lithium Pack rcB 1400
- Up to 20 hours of heat at the touch of a button
- Compatible with all Lenz Heat Socks, Heat Gloves, Heat Vests, Heat Jacket and Heat Pants
- Control: directly on the battery (3 levels) or infinitely variable via the Lenz Heat app (Bluetooth)
- Lightweight, compact design: only 95 g, dimensions 8.5 × 5.5 × 1.5 cm
- Quick-charge function and storage mode via USB-C charging cradle
- Compatible with chargers from rcB 1200, rcB 1800, rcB 2000 and Heat Pack
- Temperature protection ensures safe charging
Package contents
- 1 pair of Lenz Lithium Packs rcB 1400 (rechargeable)
- 1 charging cradle for 2 batteries
- 1 USB-C to USB-A charging cable
- 2 contact protectors
- 3 pairs of colored rubber bands
- Free Heat App (Apple App Store & Google Play)
- Warnings & safety information
FAQ about the Lenz Lithium Pack rcB 1400
Which products are the batteries compatible with?
They are compatible with all heatable products in the Lenz Body Heat System - from socks to jackets.
How long do the batteries keep you warm?
The batteries provide heat for up to 20 hours, depending on the heating level and outside temperature.
How can I regulate the heat?
Directly on the battery in 3 levels or continuously via the Lenz Heat app via Bluetooth.
How does storage mode work?
In storage mode, the batteries are automatically charged to approx. 50 % and thus optimally prepared for longer storage times.
Properties "Lenz Lithium Pack rcB 1400"
| Age group: | Adults |
|---|---|
| Area of application: | Winter sports |
| Color: | Black |
| Exact color name: | Black |
| Manufacturer: | Lenz |
| Product type: | sports socks |
| Season: | Winter |
| Size: | One Size |
| Sports sock type: | Heated socks |
| Target group: | Gentlemen, Ladies |
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New Lenz batteries are here: RCB 1400 & RCB 2000 in focus
October 9, 2025
Lenz goes one step further with new generations of its lithium batteries: The rcB 1400 + rcB 2000 now available.
Ergänze Dein Setup
%
Lenz Lithium Pack rcB 2000
CHF 189.00*
CHF 239.90*
(21.22% saved)
The Lenz Lithium Pack rcB 2000 BT Smart are the most powerful batteries in the Lenz Body Heat System. They provide up to 23 hours of heat for Lenz Heat Socks, Heat Vest, Heat Gloves and Heat Pants. Thanks to USB-C Fast Charge, the packs are ready for use again in around half the usual charging time and are optimally prepared for storage with the storage function.
Highlights of the Lenz Lithium Pack rcB 2000
Up to 23 hours of heat output
Quick charge function: only 4.5 - 5.5 hours charging time
Control directly on the battery or via Lenz Heat App (Bluetooth)
Storage mode for a long service life
Small, light (115 g) and compact (8.5 × 5.5 × 1.5 cm)
USB-C connection and convenient charging cradle
Also compatible with rcB 1200, rcB 1800 and Heat Pack chargers
Package contents
2 × Lenz Lithium Pack rcB 2000 (rechargeable)
1 × USB-C charging cable
1 × charging cradle
FAQ about the Lenz Lithium Pack rcB 2000
Which products are the batteries compatible with?
The batteries fit all Lenz Heat Socks, Heat Vest, Heat Gloves and Heat Pants.
How is the heat regulated?
Either directly on the battery (3 levels) or via the free Lenz Heat app via Bluetooth (9 levels).
How does the storage function work?
At the touch of a button, the battery automatically charges to approx. 50 % and is thus optimally prepared for storage.
How long does it take to fully charge?
Normal: 9 - 11 hours, with quick charge function: 4.5 - 5.5 hours.
Lenz Shin Gel Pad 1.0
CHF 39.00*
The gel pad is worn under the sock against ski boot bruises. For pressure reduction on the shin, instep and calves. Works against friction in the ski boot shoe. Optimum adaptation to the shape of the foot thanks to infinitely adjustable edge. Reusable. One size fits all. Content: 2 pieces.
Lenz Heat Pads for Heat Vest 2.0
CHF 69.00*
The Lenz heating pads are an optional accessory for the Heat Vest 2.0, allowing you to attach two additional heating pads in addition to the two already fitted. They can be flexibly attached to the inner back area of the heating vest using a Velcro fastener. The battery is connected directly to the heating pad and stowed safely inside. One pair is supplied. Weight per pair approx. 50 g.
SET of wash bag and two heat pads
Replaceable heat pads for the Heat Vest 2.0
New
Lenz Charge Box incl. USB cord
CHF 24.90*
The Lenz Charge Box is the practical charging unit for your Lenz lithium smart batteries. It is ideal as a replacement or additional charging box so that your batteries are always ready for use. Thanks to the compact design and the included USB cable you can use the box flexibly at home, on the go or in a hotel.
Advantages of the Lenz Charge Box
Suitable for all new Lenz Lithium Smart batteries
Includes USB charging cable for easy charging
Compact design - also ideal as a replacement charger
Safe and reliable charging
Perfect for traveling or as an additional charging box
Package contents
1 × Lenz Charge Box
1 × USB charging cable
FAQ about the Lenz Charge Box
Which batteries is the Charge Box suitable for?
The Charge Box has been specially developed for the new Lenz Lithium Smart batteries.
Is a mains adapter included in the scope of delivery?
No, only the charge box with USB cable is included. You can use any commercially available USB power supply unit.
Can I use the Charge Box on the go?
Yes, the box can be used flexibly with a USB port or a power bank.
Dynafit Graphic Performance Frost
CHF 25.00*
Dynafit Graphic Performance Frost is a lightweight, versatile functional headband for mountain sports enthusiasts.The classic with graphic prints: The Magnet Performance Headband is a lightweight, wind-repellent functional headband for all mountain activities. Whether it's a ski tour on warm days, trail running or mountaineering - the Graphic Performance headband is always with you. The material is elasticated for a comfortable, close fit on the head. It is also very breathable and absorbs moisture quickly and reliably. The prints add that certain style factor. Made in Europe and from 100% recycled materials. Graphic Performance Headband - Proven function, new style.
Airwing Lake Visorsoc
CHF 19.90*
The Airwing Lake Visorsoc protects your visor helmet from knocks and scratches. Thanks to the fine workmanship of the material, you can easily use the visor protection as a goggle cleaning cloth. Thanks to the one size, the visor protection cloth fits almost any visor helmet.
Product advantage Airwing Lake Visorsoc:
High quality microfiber cloth
Protection from scratches
One Size - Stretch
Easy use
Recycling - Ecological sustainability
Washable up to 60 degrees
Dynafit Leopard Logo Headband Rock Khaki
CHF 30.00*
A classic from the Dynafit collection: the Leopard Logo Headband Rock Khaki keeps your head pleasantly warm when touring or other mountain activities. The headband is lined with Isofil®. The material wicks sweat away efficiently, keeping your head pleasantly dry even on demanding climbs.
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Leki Guide 3
CHF 139.00*
CHF 169.00*
(17.75% saved)
Stable and light at the same time - the three-piece Leki Guide 3 touring pole supports you on every ski tour. It is equipped with the new Aergon Air, which offers ski tourers even more comfort and control. The special cavity technology enables a lightweight construction. The large, supportive surfaces offer maximum support on the mountain. The back of the grip is fully rubberized. The large ergonomic support surface provides support on steep hairpin bends on the ascent. Thanks to Speed Lock 2, the length can be easily adjusted between 110 and 150 cm, even when wearing gloves. The ski touring pole is equipped with a large binding basket, which supports you when handling the climbing aid and skin.
POC Require Tortoise Brown Violet/Silver Mirror
CHF 249.00*
The Require combines classic design with high-performance materials to give you maximum flexibility and freedom on and off the bike. The Require offers a classic Look and is made from high-performance materials. The Grilamid frame with manually molded hinges is light, flexible and durable. The bridge plates remain grippy even when wet, so that the goggles stay on the nose with every movement, whether in rain or perspiration. The durable nylon lenses from Carl Zeiss offer outstanding optical performance. The lenses have a tint that has been specially developed for the best contrasts in an urban environment.
Matching Lenz products
%
Lenz Heat Pants 2.0
CHF 179.00*
CHF 199.90*
(10.46% saved)
Size:
S
The Lenz Heat Pants R2H 2.0 are the ideal heated pants for cold days, which can be worn perfectly under any leisure or sports trousers thanks to their thin design. The highly elastic 3D stretch fabric ensures an optimum fit and maximum flexibility, while the soft inner plush provides additional comfort and thermal insulation.
The heating elements are inconspicuously located in the front thigh area and provide targeted, pleasant warmth. The lithium packs are attached above the waistband and, depending on the battery type, provide up to 11 hours of heat. These heated trousers are therefore perfect for cold winter days, whether for sport or leisure.
Product features:
Insulated heating zone in the front thigh area
Soft inner plush for additional comfort and insulation
Highly elastic 3D stretch fabric for a perfect fit
Extremely stretchy and with less volume, fits under any trousers
Up to 11 hours of warmth depending on battery typeBattery not included - Fits models: RCB1800 | RCB2000
Material:
Outer fabric: 83 % polyamide, 17 % elastane
Inner fabric: 80 % polyamide, 20 % elastane
The Lenz Heat Pants R2H 2.0 provide long-lasting warmth and a comfortable fit - ideal for cool days on the slopes or in your free time!
%
Lenz Heat Sock 4.1 Toe Cap
CHF 79.00*
CHF 99.00*
(20.2% saved)
Size:
39-41
The 4.1 Toe Cap®-heat sock for normal shoes. This comes without protectors on the shin and fits perfectly in work shoes or hiking boots and many other types of shoes.
Cold feet are a thing of the past. The heatable socks from Lenz are the perfect companions! The socks are for all men's and women's feet who do not want to freeze on cold days and want to do without a
heated sole. The completely new heating elements enclose the toe areas and give off even more noticeable warmth. This also warms the upper part of the toes and guarantees better blood circulation at cold temperatures.
New features Lenz Heat Sock 4.1:
Ideal for hiking boots, work shoes, cycling shoes, etc.
Without protectors
Improved fit and higher elasticity
New high-quality fiber combinations for maximum wearing comfort
Machine washable up to 30°C
Press studs for attaching the PowerSock battery pack
Non-perceptible heating elements thanks to double-layer construction
Polygiene® guarantees active odor control
Maximum moisture transport thanks to high-quality materials
Ergonomic shape and ring bandages ensure a perfect fit
Footbed padding increases wearing comfort
Material: 50% polyester | 33% polyamide | 10% merino wool | 7% elastane
Lenz Heat Sock 4.1 Package contents:
1 pair Lenz Heat Sock 4.1 Toe Cap
Washbag with zipper
We recommend the
Hey Sport Microwash.
This detergent eliminates bacteria even at low temperatures.
FAQ about the Lenz Heat Sock 4.1
How long do the socks provide warmth?
In combination with the matching Lenz Lithium Packs, the socks provide warmth for up to 22 hours, depending on the heating level.
Are the socks washable?
Yes, the Heat Sock 4.1 is machine washable up to 30°C. Please remove the batteries first.
Can I also wear the socks without the battery?
Yes, they can be worn like normal functional socks and offer high comfort thanks to the merino content.
Which shoes are they suitable for?
The 4.1 Toe Cap models have been specially developed for normal shoes such as work, hiking or cycling shoes.
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Lenz Heat Sock 5.1 Slimfit Toe Cap
CHF 89.00*
CHF 109.00*
(18.35% saved)
Size:
35-38
Cold feet are a thing of the past. The heatable socks from Lenz are the perfect companion for anyone who doesn't want to freeze on cold days and doesn't want a heated sole. The new heating elements completely enclose the toe areas and give off noticeably more heat - even at the top of the toes. This improves blood circulation and effectively prevents cold.
New Lenz Heat Sock 5.1 Slimfit:
Specially designed for slim feet and calves
Improved fit and greater elasticity
New high-quality fiber combinations for maximum comfort
Machine washable up to 30°C
Press studs for attaching the PowerSock battery pack
Heating elements cannot be felt thanks to double-layer construction
Polygiene® guarantees active odor control
Maximum moisture transport thanks to high-quality materials
Ergonomic shape and ring bandages ensure a perfect fit
Special protectors protect the foot
Footbed padding increases comfort
Material: 50 % polyester, 15 % merino wool, 25 % polyamide, 2 % polypropylene, 5 % silk, 3 % elastane
Lenz Heat Socks 5.1 Slimfit - Package contents:
1 pair of Lenz Heat Sock 5.1 SlimFit Toe Cap
Washbag with zipper
We recommend the Hey Sport Microwash. This detergent eliminates bacteria even at low temperatures.
FAQ about the Lenz Heat Sock 5.1 Slimfit
How long do the socks give off heat?
In combination with the matching Lenz Lithium Packs, the socks provide heat for up to 22 hours, depending on the heating level.
Are the socks washable?
Yes, the Heat Sock 5.1 Slimfit are machine washable up to 30°C. Please remove the batteries first.
Can I wear the socks without the battery?
Yes, they can be worn like normal functional socks and offer a high level of comfort thanks to the merino content.
Who are the Slimfit models suitable for?
The Slimfit version has been specially developed for narrow feet and calves and therefore fits tighter and more comfortably.
%
Lenz Heat Sock 6.1 Toe Cap
CHF 99.00*
CHF 129.90*
(23.79% saved)
Size:
35-38
The first Toe Cap®-heat sock with compression and merino wool. This is extremely thin in volume and is therefore ideal for all fitted and close-fitting shoe types.
Cold feet are a thing of the past. The heatable socks from Lenz are the perfect companion! The socks are for all men’s and women’s feet who don’t want to freeze on cold days and do without a heated sole. The completely new heating elements enclose the toe areas and give off even more tangible warmth. This also warms the upper toe area and guarantees better circulation in cold temperatures.
Details Lenz Heat Sock 6.1:
Ideal for all fitted and close-fitting shoe types
Extremely thin in volume
With compression and merino wool
Improved fit and higher elasticity
New high-quality fiber combinations for maximum wearing comfort
Machine washable up to 30°C
Press studs for attaching the PowerSock battery pack
Non-noticeable heating elements thanks to double-layer construction
Polygiene® guarantees active odor control
Maximum moisture transport due to high-quality materials
Ergonomic shape and ring bandages provide a perfect fit
Special protectors protect the foot
Footbed padding increases wearing comfort
Material: 55% polyamide | 35% merino wool | 10% elastane
The lithium-ion batteries are quickly and easily fixed to the heated sock cuff and allow a heating time of up to 20 hours. The Lenz Heat Sock 6.1 Toe Cap heated socks are machine washable up to 30°C! The integrated heating elements can reach up to 60°C. The 3 heating levels can be set directly on the battery or via smartphone app for
Android or
iOS can be set.
Lenz heated socks 6.1 package contents:
1 pair Lenz Heat Sock 6.1 Toe Cap (WITHOUT BATTERY)
Washbag with zipper
We recommend the Hey Sport Microwash.
This detergent removes bacteria even at low temperatures.
FAQ about the Lenz Heat Sock 6.1
How long do the socks give off heat?
In combination with the suitable Lenz Lithium Packs, the socks provide heat for up to 20 hours depending on the heating level.
Are the socks washable?
Yes, the Heat Sock 6.1 are machine washable up to 30°C. Please remove the batteries beforehand.
Can I wear the socks without a battery?
Yes, they can be worn like normal functional socks and, thanks to the merino content, offer high comfort.
Which shoes are they suitable for?
The 6.1 Toe Cap models have been specially developed for fitted and close-fitting shoes.
%
Lenz Heat Vest 2.0 Unisex
CHF 199.00*
CHF 239.00*
(16.74% saved)
Size:
M
The heat vest 2.0 is the first heated product with flexible heating elements. Thanks to the Velcro fastening system, the heating elements can be attached exactly where the heat is needed: Neck, shoulders, kidneys, upper and lower back area. The vest is therefore the perfect source of warmth for sport, work or acute tension. Depending on the battery type, the elements heat for up to 11 hours.
Heatable vest with flexible heat pads
up to four heat pads can be attached variably
heats where the heat is needed: shoulders, neck, upper and lower back
lithium packs are attached under the chest ribs using press studs
compatible with all Lenz lithium packs (optionally available)
Machine washable at 30 degrees
Package contents:
1 heat vest 2.0 unisex + 2 heat pads (lithium packs not included)
Lenz Heat Pads for Heat Vest 2.0
CHF 69.00*
The Lenz heating pads are an optional accessory for the Heat Vest 2.0, allowing you to attach two additional heating pads in addition to the two already fitted. They can be flexibly attached to the inner back area of the heating vest using a Velcro fastener. The battery is connected directly to the heating pad and stowed safely inside. One pair is supplied. Weight per pair approx. 50 g.
SET of wash bag and two heat pads
Replaceable heat pads for the Heat Vest 2.0
%
Lenz heating vest Heat vest 1.0 Women
CHF 189.00*
CHF 229.00*
(17.47% saved)
Clothing sizes:
XL
Lenz heating vest Heat Vest 1.0 Women
The heated vest from Lenz for cold days outdoors, the heated vest can be used with all Lenz Smart batteries. Regularfit Stretchable material, the Lenz heating vest should fit close to the body for optimum heat dissipation from the heating elements.
Vest with 2 integrated heating elements in the kidney and back area
Package contents
1 Lenz heating vest heat vest 1.0
Outer fabric: 84 % polyamide, 16 % elastane
Inner fabric: 100 % polyester
Size: XS, S, M, L, XL
Color: black
%
Lenz heating vest Heat vest 1.0 Men
CHF 189.00*
CHF 229.00*
(17.47% saved)
Clothing sizes:
S
Lenz heating vest Heat Vest 1.0 Men
The heated vest from Lenz for cold days outdoors, the heated vest can be used with all Lenz Smart batteries. Regularfit Stretchable material, the Lenz heating vest should fit close to the body for optimum heat dissipation from the heating elements.
Vest with 2 integrated heating elements in the kidney and back area
Package contents
1 Lenz heating vest heat vest 1.0
Outer fabric: 84 % polyamide, 16 % elastane
Inner fabric: 100 % polyester
Size: XS, S, M, L, XL
Color: black