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Comparison Braun Series 9 9260s vs Braun Series 9 9299s

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Braun Series 9 9260s
Braun Series 9 9299s
Braun Series 9 9260sBraun Series 9 9299s
from £199.99 
Outdated Product
from £390.00 
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Main
Titanium coated razor blade
Titanium coated razor blade
Typefoilfoil
Shavingwet and drywet and dry
Waterproof++
Nozzles
built-in trimmer
built-in trimmer
Specs
Shaving heads / foil5 pcs5 pcs
Number of cuts40000 cuts/min40000 cuts/min
Replacement nozzle model92M92M
Features
stubble auto-detection /AutoSense/
movable head / foil /10D Flex/
possibility of water rinsing
child lock
stubble auto-detection /AutoSense/
movable head / foil /10D Flex/
possibility of water rinsing
child lock
In box
charging stand
case /fabric case/
charging stand
case /leather/
Power source
Power supplybatterybattery
Battery typeLi-Ion
Operating time60 min60 min
Charging time1 h1 h
Charge level indicator
Voltage switchingautomaticautomatic
General
Display
Color
Added to E-Catalogoctober 2017january 2020

Battery type

— Li-Ion. Currently, the prevailing battery type is Lithium-ion (Li-Ion), known for its high energy density, compact size, and light weight. Li-Ion batteries offer approximately 400 charge-discharge cycles on average. These batteries exhibit minimal self-discharge and lack a significant "memory effect" (capacity reduction due to charging a partially drained battery). However, they are sensitive to cold temperatures and require high-quality charging currents.

— Li-pol. Lithium-polymer (Li-Pol) batteries maintain stable output voltage even during significant discharge. These batteries offer an average lifespan of about 800 charge-discharge cycles. Unlike some battery types, Li-Pol batteries don't exhibit a memory effect, and they operate reliably within a wide temperature range of -20 to +40°C. However, they are sensitive to deep discharge and overcharging. To address this, specialized chargers employing suitable power supply algorithms for the lithium polymer context are recommended for maintenance.

— Ni-Mh. Nickel-metal hydride (Ni-MH) batteries excel in managing substantial charge and discharge currents, making them suitable for power-demanding electric motors and rapid charging. These batteries now boast impressive longevity, enduring around 1000 to 1500 charge-discharge cycles, while maintaining an eco-friendly nature. In comparison to Li-Ion, Ni-MH batteries appear bulkier and add weight to the device, yet they offer a more economical option.
Braun Series 9 9260s often compared
Braun Series 9 9299s often compared