AAA 1.5V 1000mWh (approx. 667mAh) Lithium Ion Battery (Rechargeable via micro USB)

Item number: 12089

: Keeppower

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*gilt für Lieferungen innerhalb Deutschlands, Lieferzeiten für andere Länder entnehmen Sie bitte der Schaltfläche mit den Versandinformationen
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The widespread AAA/AA design based on Li-ion is revolutionising the mobile energy supply for many standard applications. A built-in Li-ion battery with a nominal voltage of 3.6V to 3.7V is regulated down to 1.5V with the help of electronics in the form of a PCB.

Li-Ion technology in LR3/AAA design and constant voltage of 1.5V

The stable and high output voltage makes the 1.5V lithium-ion batteries compatible with all devices that are optimised for operation with disposable batteries and where the low voltage of the NiMH battery causes problems. The high voltage results in high performance in many devices, e.g. many torches or fairy lights are brighter or motors (toys, kitchen appliances) run faster than with NiMH batteries.

Stable output voltage of 1.5V over the entire cycle.

In addition to the constant voltage of 1.5V, the battery offers great advantages due to the low-voltage cut-off. Most applications do not have their own low-voltage cut-off, but this does not damage the electronically regulated 1.5V Li-ion battery, as is the case with NiMH/NiCD batteries. 1000 charging cycles are therefore quite possible with the 1.5V lithium-ion battery under real conditions.

Ideally suited for: game cameras, fairy lights, model making, radios, photo equipment, flash units and much more.

Disadvantages: The electronic regulation only allows the discharge current specified in the key figures. The batteries can only be recharged via USB or a suitable charger.
Please note: Electric motors, e.g. in toy cars, require several times the current than the specified continuous load when starting up.

Important: Charging of Keeppower 1.5V Li-Ion batteries is only possible via the integrated micro USB socket. Charging with a conventional charger for NiMH/NiCD or Li-Ion batteries is not permitted.
Chargers for Li-Ion 1.5V batteries from other manufacturers are not compatible. Charging is possible via any USB 5V connection (smartphone, mains adapter, powerbank, laptop, etc.), so you remain flexible and always have a charging option at hand.

Model: P1044U1
Capacity in mWh 1000mWh
Capacity in mAh approx. 667mAh
Min. capacity in mAh 550mAh / 0.2C
Nominal voltage 1,5V
Charging voltage 5V USB
Standard charging current 0.14A (140mA)
Standard discharge current 0.255A (255mA)
max. discharge current 1.5A (1500mA)
Charging current 0.xx - 0.12A via USB
Positive pole increased (button top)
Achievable number of cycles approx. 1000 cycles
Diameter 10.35 mm ± 0.2 mm
Height 44.9 mm ± 0.5 mm
Weight 8 g ± 1 g
Download: Data sheet P1044U1

Further information: (very detailed information and comparison tests for the 1.5V batteries)

Safety instructions:

Please note that lithium cells should only be used by competent persons.
Incorrect handling or short-circuiting may result in fire or explosion.

Further characteristics:

Lithium-ion batteries are thermally stable and are not subject to memory effect.
They work on the basis of lithium and are characterised by a high energy density.

Scope of delivery:

1x 1.5V Li-ion rechargeable batteries
When ordered in pairs (2 pieces), a USB cable with two micro USB plugs and a battery storage box are included.

Charging current Normal
0.xx - 0.3A (300mA)
Operating temperature Charging
0 °C - 45 °C
Operating temperature discharging
-20 °C - 60 °C
Recommended storage temperature +25±5 ℃


Mode of operation:
When using a high-quality 3.7V Li-ion battery with 270mAh, the energy is up to 1000mWh. After the output voltage has been reduced by the electronics to a constant voltage of 1.5V, this corresponds to a capacity of 667mAh.


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Für die Länder Schweiz und Liechtenstein fallen lediglich die Nettopreise der jeweiligen Artikel an, ohne deutsche MwSt. Die Verzollungskosten werden separat berechnet. Bei Einfuhr müssen die Steuern des jeweiligen Landes beglichen werden.

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