scheduleOur stores and their opening hours
Localisation
Cycling Running Hiking and camping Mountaineering Ski mountaineering and skiing Lifestyle Nutrition and fitness
Categories
Bikes
E-bikes
Components
Tires and inner tubes
Wheels and rims
Cycling shoes
Apparel
Backpacks and bags
Electronics and lights
Accessories
Helmets and glasses
Indoor training
Bike maintenance
All product categories
Quick links
Deal of the week
New products
Sale
MTBIKER products
Why shop with us?
Shimano
SRAM
FORCE
Maxxis
Schwalbe
Continental
Kellys
Park Tool
BBB
Weldtite
Elite
MTBIKER
Thule
RockShox
Garmin
Castelli
Leatt
Marin
Categories
Running apparel
Running shoes
Running backpacks, vests and hip packs
Glasses
Headlamps and accessories
Microspikes
Running shoe covers
Running poles
Bottles, vacuum flasks and hydration packs
Sport watches and sport testers
Running earbuds
Canicross harnesses
All product categories
Quick links
Deal of the week
New products
Sale
MTBIKER products
Why shop with us?
Craft
Oakley
Garmin
Suunto
Fenix
Karpos
X-BIONIC
Julbo
uvex
FORCE
COMPRESSPORT
Devold
SILVINI
La Sportiva
inov-8
ORTOVOX
Sportful
Castelli
Categories
Hiking clothes
Hiking footwear
Hiking backpacks and bags
Baby carriers for hiking
Hiking accessories
Camping equipment
Via ferrata
Hiking and camping accessories
All product categories
Quick links
Deal of the week
New products
Sale
MTBIKER products
Why shop with us?
Karpos
Craft
La Sportiva
Oakley
Garmin
Fenix
OCÚN
SILVINI
Suunto
Julbo
ORTOVOX
X-BIONIC
Black Diamond
Fjällräven
uvex
FORCE
LOWA
Northfinder
Categories
Climbing shoes
Harnesses
Mountaineering clothing
Helmets for climbing
Climbing equipment
Climbing backpacks
Chalk and chalk bags
Ropes and slings
Glasses
Ice axes
Crampons
Via ferrata
Work equipment
Bags and covers
Rope bags
Accessories for climbing and skimo
Hangboards
Bouldering mats
All product categories
Quick links
Deal of the week
New products
Sale
MTBIKER products
Why shop with us?
Karpos
Craft
OCÚN
Oakley
Fenix
Petzl
Julbo
Black Diamond
ORTOVOX
Singing rock
La Sportiva
X-BIONIC
uvex
FOR
Devold
SILVINI
CamelBak
Northfinder
Categories
Apparel
Skis
Sets
Climbing skins
Ski boots and shoes
Bindings
Poles
Skimo equipment
Skimo backpacks
Avalanche equipment
Helmets
Goggles
Accessories
Bags and covers
All product categories
Quick links
Deal of the week
New products
Sale
MTBIKER products
Why shop with us?
Karpos
Oakley
Craft
Julbo
Fenix
ORTOVOX
X-BIONIC
SILVINI
uvex
Mammut
FOR
SCARPA
Devold
FORCE
Northfinder
CamelBak
Sportful
Haglöfs
Categories
Apparel
Footwear
Backpacks and bags
Bottles and vacuum flasks
Eyewear
Sports watches and sport testers
Other accessories
All product categories
Quick links
Deal of the week
New products
Sale
MTBIKER products
Why shop with us?
Garmin
Suunto
Craft
Fjällräven
Karpos
Sidas
Patagonia
CamelBak
uvex
Black Diamond
MTBIKER
On Running
Haglöfs
Oakley
SILVINI
Formthotics
Nikwax
Northfinder
Categories
Protein
Energy
Creatine
Regeneration and amino acids
Vitamins and minerals
Other supplements
Snacks, butters, coffee
Shakers and accessories
Multipack
Dehydrated and ready meals
Apparel
Footwear
Exercise tools
Body cosmetics
Tapes and pain relief
All product categories
Quick links
Deal of the week
New products
Sale
MTBIKER products
Why shop with us?
SiS
NUTREND
Kompava
Veloskin
PowerBar
ASSOS
Craft
Enervit
GymBeam
AONE Nutrition
Namedsport
Chimpanzee
Muc-Off
MARVA
FORCE
X-BIONIC
MTBIKER
QM Sports care
Cycling navigate_next Components navigate_next Batteries and accessories for e-bikes navigate_next Batteries and chargers navigate_next Kellys 611490 BMZ Downtube Panasonic Integrated Battery, 820 Wh, Removable
Kellys

Kellys 611490 BMZ Downtube Panasonic Integrated Battery, 820 Wh, Removable

989 €
Found a better price?
Add to list contact_supportProduct question
In-store pickup
From 08.09.2026 (Tuesday) Check availability
chevron_forward
delivery_truck_speed
By courier to your home Delivery by courier DPD Delivery by courier GLS
Delivery method on Wednesday 09.09.2026
location_on
At pick-up points
Delivery method on Wednesday 09.09.2026
replay
Extended return option up to 100 days More info
delivery_truck_speed
Free shipping
credit_score
Pay in instalments See how much you pay

MY24: Theos R, RX series. PAN 611490

Product details
product ID 270879
Product rating  (0 ratings)
0/5
(0 ratings)
(0 ratings)
(0 ratings)
(0 ratings)
(0 ratings)
(0 ratings)
How do you rate the product?
Add a review
Help others, earn points and shop better prices thanks to the loyalty program
Product questions
rivieraresort rivieraresort • 13 May 2025 at 14:45
thumb_up0thumb_down

Hi, I have a Kellys theos r30 bike, I currently have a 725 Wh BMZ Li-ion 10INR22/71-4 battery. Will this larger battery fit my bike?

Witam, mam rower Kellys theos r30, obecnie mam baterię 725 Wh BMZ Li-ion 10INR22/71-4 Czy ta większa bateria będzie pasować do mojego roweru ?

Show translationAutomatically translated
13 May 2025 at 14:45
thumb_up0thumb_down
gronkjear gronkjear Customer support • 4 June 2025 at 11:01 •replyrivieraresort
thumb_up0thumb_down

SK Cześć, tak, według specyfikacji Kelly, bateria będzie pasować.
Możesz znaleźć ją w innych modelach z tą samą ramą (https://kellysbike.com/e-fullsuspension/theos-r30-p-magic-green-29-27-5-820-wh_10735).

Translate by GoogleShow the original
4 June 2025 at 11:01
thumb_up0thumb_down
napravnik22 napravnik22 • 27 october 2025 at 15:05
thumb_up0thumb_down

Hello, I have a Kellys Theos R50 bicycle from you, will this battery fit me?

Dobrý deň, mám od Vás bicykel kellys theos R50, bude mi pasovať táto baterka?

Show translationAutomatically translated
27 october 2025 at 15:05
thumb_up0thumb_down
gronkjear gronkjear Customer support • 27 october 2025 at 20:59 •replynapravnik22
thumb_up1thumb_down

SK Dobry den, ano, podla specifikacie Kellys sedi bateria aj na 2023 Theos R modely s Panasonic motorom a povodne vybavene 730Wh bateriou.

Translate by GoogleShow the original
27 october 2025 at 20:59
thumb_up1thumb_down
Kellys
Batteries and chargers Kellys
Kellys is a popular Slovak brand of bicycles and accessories that was founded in 1991. Today, the brand's offer will satisfy both the recreational rider and the more demanding cyclist. It offers thousands of products, including more than 150 bicycle models, both classic and the increasingly popular electric bicycles. Kellys is known for its commitment to quality and performance, with an emphasis on innovation and modern design. They often use modern technology and materials to give riders the ultimate riding experience.
Contact information

Average brand rating in the category

5/5 Third most popular brand
Shopping FAQ

All the answers to questions about delivery, payment, security, returns, warranty and much else.

Similar products
You can try these searches
Batteries and chargers for electric bicycles, Kellys
You may find these products complementary
All products from the category
Tools for bicycle maintenance and service
Show all
Lubricants and oils for bike and chains
Show all
Hand pumps, floor pumps and CO2 for bicycles
Show all
Saddle bags for bicycle
Show all
Why shop with us?
Find out what makes us special
1 500 000+ orders

We are the largest cycling e-shop in Slovakia, verified by 100,000+ customers.

Unique customer service

We are available via e-mail, online chat, phone or in person at our MTBIKER stores.

We actively support the cycling community in Slovakia

Thanks to your order we can support cycling development.

Secure payment methods

The payment process is safe and we offer you a wide range of options.

Loyalty program

We will reward you for your purchase and also for quality contributions in the MTBIKER forum, e-shop, trips and photo gallery.

MTBIKER centre and showroom

Visit our store with a pump-track and trail access or our showroom in a historical bulding in central Bratislava.

navigate_beforeprevious navigate_nextďalší
keyboard_arrow_up