ATOMIQUE BATTERIES

Atomique Batteries Hyperion 20-T6 Lithium-ion LiFePO4 12V high-performance 20Ah lithium battery

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Shipped between 2026-02-17 and 2026-02-18.
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Description


The Hyperion 12V starter batteries from Atomique Batteries are a range of ultra-lightweight and compact batteries developed for the automotive industry.

High-performance, they use LiFePO4 technology with internal BMS (which opens and closes the internal circuit in the event of overload, overheating, excessive discharge or short circuit).

Lightweight and high-performance, they offer a service life of up to 5,000 charge cycles or 50,000 starts, which is 10 times the service life of lead-acid batteries.

100% recyclable with 0% rare metals, 0% rare earths, 0% heavy metals and 0% cobalt, these batteries are more environmentally friendly than traditional batteries and are easy to use: install your lithium battery without modifying your installation and you're ready to go. Acid-free and maintenance-free.

The Hyperion range from Atomique Batteries comes with a full 5-year warranty against manufacturing defects under normal use and in accordance with the precautions for use, with after-sales service based in France.

Please note: HYPERION 20Ah and 20Ah T6 models are for racing use only (circuit/rally/drift). Engine 2.5L max, petrol.
The car must be equipped with a cut-out device for prolonged stops. The generator us dynamo must have a maximum current of 50A

For daily driving, an engine with a cubic capacity of more than 2.5L, or a diesel engine, choose the HYPERION 40Ah model


Capacity of 20Ah (equivalent to 40 to 70Ah lead)
• Starting current: 800A
• For cubic capacities up to 2.5L petrol
• Service life 5,000 cycles, 50,000 starts (10 times the service life of lead batteries)
• Integrated BMS (Battery Management System) ensuring cell balancing during charging and protection against short circuits, overcharging and deep discharges.

Compliant with FIA Annex J 2020.
• No lead, no cadmium, no cobalt: no heavy metals and 100% recyclable.
• No acid, therefore no maintenance, and can be installed in any position.
• Impact and vibration resistant.
• Same dimensions as conventional batteries: no need to change the battery location (L: 28 cm x W: 17 cm x H: 18 cm).

5-year warranty! After-sales service in France.

Features:
For: automotive / marine
Voltage: 12.0 V
Capacity: 20 Ah (Pb Eq 40 to 70Ah)
CCA: 800 A
Weight: 3.9 Kg
Lead equivalent: 40Ah -70Ah
Dimensions: L:278 x W:175 x H:175 mm

Information:
Lithium-ion batteries can be installed in place of your conventional lead batteries without modification.
The generator us dynamo must deliver a voltage between 13.8V and 14.4V for ideal operation.
Lithium-ion batteries must be recharged with a specific charger for LiFePO4 lithium-ion batteries.

Caution: Atomique batteries have a BMS reset button and must be protected from water splashes.
Tips from the GT2i Team: Consider purchasing the specific LiFePO4 lithium charger sold separately to ensure maximum charge. Ref: CTK-LITHIUM-XS / SHI-CHARGEUR

For vehicles equipped with screw terminals, mounting adapters for + and - terminals with M8 or M10 threads are available in the battery terminal section - references: EL-MP283xxx

Note: Renault/Alpine generators us dynamo with a charging system that is only active during braking and deceleration, with very high voltage and very high current. And almost no charge during acceleration. The generators are oversized (80A or even 120A) in order to reduce CO2 emissions. Therefore, for the Alpine A110 and Megane 3 RS, the HYPERION 40Ah model should be used to cope with the high charging currents of the generator us dynamo and also to check the charging voltage to ensure that it does not exceed 15V.

Products intended for vehicle adaptation for competition purposes may render them prohibited from use on roads open to public traffic, insofar as they significantly alter the characteristics of the vehicles as described in the approval certificate issued by the vehicle testing authority: noise, pollution, maximum revolutions per minute, tyre size, etc.
4.8923799860339
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ATBAT-HYP20-T6
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