Lenz Lithium Pack rcB 2000
CHF 189.00*
% CHF 239.90* (21.22% saved)
Ready for immediate shipment, delivery in 1-3 working days
Product information "Lenz Lithium Pack rcB 2000"
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.
| 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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3 reviews
November 23, 2025 3:12 PM
Recommended
Charge quickly, are compatible with other products (vest, socks)
April 23, 2025 4:11 PM
Good service, good price, fast delivery
Good service, good price, fast delivery
December 19, 2023 10:43 AM
Leistungsstark.
Leistungsstark.
New Lenz batteries are here: RCB 1400 & RCB 2000 in focus
Ergänze Dein Setup
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)
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)
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!
The Lenz Padded Jacket R2H 2.0 Women is the perfect insulating jacket for women who want to stay warm even in cold temperatures. Equipped with Primaloft Gold Insulation the jacket offers outstanding warmth, whether you wear it on its own or in combination with the flexible heat pads. In extremely cold conditions, the heat pads can be attached to the wind flap in the kidney area to provide additional warmth. The jacket's adapted wind flap ensures natural heat build-up and prevents heat from escaping, while the hood offers protection from wind and weather. The wind and water-repellent surface also protects against moisture and cold, making this jacket the ideal choice for skiing, outdoor activities or everyday wear. Product features: "Ready to heat" - heat pads can be flexibly inserted and attached as required High-quality insulating jacket with Primaloft Gold Insulation Includes 2 heat pads (lithium packs not included) Adapted wind flap for optimum heat development and insulation With hood for additional protection from the elements Wind and water-repellent surface Package contents: 1 Primaloft Heat Jacket for women 2 heat pads Material: Outer fabric 1: 100% polyamide Outer fabric 2: 100% polyester Inner fabric 1: 100% polyester Inner fabric 2: 83% polyamide, 17% elastane The Lenz Padded Jacket R2H 2.0 Women offers flexible warmth and protection - ideal for extreme cold and active winter days!
The Lenz Padded Jacket R2H 2.0 Women is the perfect insulating jacket for women who want to stay warm even in cold temperatures. Equipped with Primaloft Gold Insulation the jacket offers outstanding warmth, whether you wear it on its own or in combination with the flexible heat pads. In extremely cold conditions, the heat pads can be attached to the wind flap in the kidney area to provide additional warmth. The jacket's adapted wind flap ensures natural heat build-up and prevents heat from escaping, while the hood offers protection from wind and weather. The wind and water-repellent surface also protects against moisture and cold, making this jacket the ideal choice for skiing, outdoor activities or everyday wear. Product features: "Ready to heat" - heat pads can be flexibly inserted and attached as required High-quality insulating jacket with Primaloft Gold Insulation Includes 2 heat pads (lithium packs not included) Adapted wind flap for optimum heat development and insulation With hood for additional protection from the elements Wind and water-repellent surface Package contents: 1 Primaloft Heat Jacket for women 2 heat pads Material: Outer fabric 1: 100% polyamide Outer fabric 2: 100% polyester Inner fabric 1: 100% polyester Inner fabric 2: 83% polyamide, 17% elastane The Lenz Padded Jacket R2H 2.0 Women offers flexible warmth and protection - ideal for extreme cold and active winter days!
The Lenz Padded Jacket R2H 2.0 Women is the perfect insulating jacket for women who want to stay warm even in cold temperatures. Equipped with Primaloft Gold Insulation the jacket offers outstanding warmth, whether you wear it on its own or in combination with the flexible heat pads. In extremely cold conditions, the heat pads can be attached to the wind flap in the kidney area to provide additional warmth. The jacket's adapted wind flap ensures natural heat build-up and prevents heat from escaping, while the hood offers protection from wind and weather. The wind and water-repellent surface also protects against moisture and cold, making this jacket the ideal choice for skiing, outdoor activities or everyday wear. Product features: "Ready to heat" - heat pads can be flexibly inserted and attached as required High-quality insulating jacket with Primaloft Gold Insulation Includes 2 heat pads (lithium packs not included) Adapted wind flap for optimum heat development and insulation With hood for additional protection from the elements Wind and water-repellent surface Package contents: 1 Primaloft Heat Jacket for women 2 heat pads Material: Outer fabric 1: 100% polyamide Outer fabric 2: 100% polyester Inner fabric 1: 100% polyester Inner fabric 2: 83% polyamide, 17% elastane The Lenz Padded Jacket R2H 2.0 Women offers flexible warmth and protection - ideal for extreme cold and active winter days!
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 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 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 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
Matching Lenz products
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!
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.
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.
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.
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 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 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