Mini bike battery 36V-6.4Ah-230Wh-bag frame-SG20 - DAUREMA

Sale price€264,00

Color: Bleu Daurema
Charger: Without charger
In stock

Data sheets

SG20 aluminum shell bicycle battery for frame bag 230Wh - 36V - 6.4Ah

This SG20 repairable bicycle battery of 36V - 230Wh - 6.4Ah , made up of 20 lithium-ion cells,
was specially designed to be placed in a fixed triangular bag
on the bicycle frame. These narrow dimensions - width of 5cm and length of 24cm - allow it to fit easily into a small or medium wheel bicycle frame bag.

Its polished aluminum shell gives it a unique, modern and refined design, which will highlight the
brand of any bicycle manufacturer.

Daurema attaches importance to the ecological and recyclable aspect of its batteries,
but also to the satisfaction of these customers in the long term. In this context,
this battery, which is manufactured in the Daurema production unit, in
Belgium, is repairable and reconditionable for life .

Capacity and Autonomy

The capacity of the SG20 36V battery is 230Wh , which allows you to travel approximately 36km
by bike
with a full charge.

Waterproofing and Durability

The SG20 battery is IP63 and is resistant to splashes, as well as moderate rain. It is not waterproof , and we recommend placing the battery in a waterproof bike bag.

Its aluminum shell with interior foam gives it good shock resistance .

Connectivity and Installation

SG20 has the following connections:

  • Supported: DC 2.1 power jack female
  • Discharge: DC connector XT60E-F (yellow tip)
  • Wireless: none. No wifi, no bluetooth. Non-communicating battery.

The SG20 battery is easy to install. Simply position it in a frame bag and connect the yellow discharge port on the bike's controller.

When charging, simply connect the charger's jack port.


The SG20 battery is compatible with all bicycles that have the following characteristics:

  • Motorization: 36V
  • Controller: 15A max, XT60E-F discharge port, non-communicating with battery
  • Controller discharge port: XT60E-F

Frame bag to house the battery

Check the technical data sheet and contact the bicycle manufacturer to confirm the

Buttons and Indicators

The SG20 battery is not equipped with an on/off button or a capacity indicator. The minimalist design increases durability and reduces the risk of problems.

Anti-theft system

The SG20 battery is not equipped with an anti-theft system. However, it is possible to padlock the zipper of the bag in which the battery is located.

Charger and charging time

A 36V - 2A charger , tested and certified, which does not overheat, is supplied with the battery. The charging time for a 230Wh battery is 3h30 .

Second life cells & circularity

Daurema uses sorted reused cells , at 95% capacity, in good condition, verified and tested, from used batteries, in order to manufacture this
battery with guaranteed capacity . This recycling allows us to use more
each lithium cell for a long time, avoids their premature crushing, and therefore reduces the quantity of greenhouse gases released by the battery.

Repairability & refurbishment

The SG20 battery is repairable and reconditionable for half the price

Its optimized interior design made up of 3D printed parts allows repairability
safe and fast

Belgian production

The SG20 battery is designed and assembled in Belgium , in the Daurema workshops.


Bag option

You will find a suitable bag to attach to the frame on this link.

Color option

Different colors are available. We will manufacture the battery in your brand color.

Certification & security

Safety is the priority for Daurema, both for our teams and for our customers.

All Daurema batteries are CE certified and therefore comply with the standards in
force, regarding the safety of lithium batteries. They notably meet the regulations on battery safety IEC-62133-2 ,
and on the transport of UN38.3 batteries.

Daurema also tests each battery leaving the production line, particularly for overload, over-discharge and short-circuit, to ensure that each battery delivered to our customers is reliable and safe.


battery is packaged in accordance with the regulations in force for the transport of lithium batteries. The battery is packaged, according to an ADR procedure, in antistatic film, then carefully placed in a double-corrugated cardboard box filled with vermiculite (fire-resistant) meeting UN3480 and UN3481 requirements, regulations which govern the packaging and labeling of batteries

The battery is then shipped via a carrier specializing in the transport of lithium batteries.


Each battery is guaranteed for 2 years . Beyond this period, Daurema reconditions or repairs your battery for half the purchase price .

Technical characteristics

This battery has the following characteristics. You will also find, on our sheet
downloadable technique, the entire technical description.

Electrical Specifications

Référence SG20
Tension nominale 36V
Energie 230Wh
Capacité 6,4Ah
Chimie Cellules 18650 lithium-ion de seconde vie
Configuration des cellules 10S2P
Courant de décharge max. 15A
Certifications CE; IEC 62133-2; UN38.3
Garantie 2 ans
Réparable / reconditionnable Oui

Mechanical characteristics

Dimensions L240 * W50 * H90 mm
Poids 1,8kg
Coque Aluminium poli et peint
Sécurité anti-vol Non
Bouton On/Off Non
Indicateur de capacité Non
Port de charge DC 2.1 power jack female
Port de décharge DC connector XT60E-F
Étanchéité IP63 (résiste à la pluie)
Résistance aux chocs IK08
Courant de décharge max. 15A

Learn more about Daurema, Belgian manufacturer of repairable and reconditionable lithium batteries

Concepteur et fabricant belge de batteries lithium réparables et reconditionnablesDaurema propose une gamme complète de batteries vélos électriques et de batteries domestiques. Engagés envers l’écologie et l’innovation technologique, nos batteries lithium vélo et maison sont conçues à partir d’une technologie d’assemblage sans soudure, offrant une réparabilité sans précédent, ainsi qu’une durée de vie inégalée sur le marché. Notre engagement écologique se traduit également par l’utilisation de cellules lithium-ion de réemploi pour la fabrication de nos batteries solaires pour maison et VAE

Avec Daurema, faites le choix d’une batterie sans soudure, réparable et fabriquée en Europe pour l’alimentation de votre vélo électrique ou de votre maison autonome, et ouvrez la voie à une énergie plus durable.