Connecting the samurai blade and powering up, Battery – Atomos Samurai Blade User Manual
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Atomos Samurai Blade – User Manual Edition 1: June 2013 7
Battery
 
The Samurai Blade is a battery powered device, and has a special 
feature to ensure that you never have to interrupt a recording to change a 
battery. We will come to this shortly.
Like all batteries, you will need to take care of them. Make sure that you 
don’t short circuit the connections because this can result in very high 
currents that can damage the cells and could pose a fire hazard.
Charge new batteries before using them, using the battery charger 
supplied.
Batteries do not charge in a linear way. At first they charge very quickly, 
and then the rate slows down to a trickle. While charging, one or more 
red lights will blink. When 90% charge is reached, all the lights will flash. 
It is perfectly OK to use the batteries at this point and we recommend 
stopping at this stage for the longest battery life. If you leave the 
batteries on charge after all four lights are flashing, the charger goes 
into trickle charging mode for the final 10%. Eventually, when trickle 
charging is complete, and the batteries are at 100% charge, all the 
lights will go out.
Before any type of disposal the battery should be discharged 
completely. Tape the contacts with electrical tape and package so 
as to prevent contacts accidentally coming together at any time. 
Incineration must be performed by an approved and permitted waste 
treatment facility that handles lithium ion batteries. If you are not sure 
if your waste facility can handle lithium ion batteries, contact them and 
verify if they are permitted or not.
Always use battery slot
for the first battery. This is effectively your
primary battery and the Samurai Blade will not start without it.
Battery slot No.2 is the secondary or back-up battery and is not marked. 
Once the Samurai Blade has been started from battery slot No. 1, it will 
operate on battery slot No. 2 alone. No. 1 is only required for start up.
To attach the battery, gently slide it down into the slot and lock into 
position. To remove a battery, push the latch to release it. Each battery 
has its own latch, which is located to the right of battery No. 1 and to the 
left of battery No. 2 as you look at the back of the Samurai Blade. Pull the 
latches towards the batteries to release them. 
Samurai Blade batteries and modular accessories (Connect 
Converters, etc) are held in place very tightly because they are on the 
outside of the device and there has to be no possibility whatsoever 
that they could work loose, so you will have to be quite firm with the 
battery latches. We suggest that you familiarise yourself with the force 
required to remove the batteries and accessories so that you can do 
this quickly in the field. Make sure that you hold the top and the bottom 
of the battery or accessory module when sliding it off to avoid dropping 
it when it is released from the main unit.
The Samurai Blade features an Atomos technology called Continuous 
Power which used battery looping. When power is running low on 
one battery, the Samurai Blade will automatically switch to the second 
battery, you can remove one of the batteries and replace it with a fully 
charged one. Samurai Blade will continue to operate as you do this. You 
can continue this process indefinitely. 
The Samurai Blade may be powered from NiMH & Li Ion 14.4V 
battery systems. Battery adaptor required.
Battery number 1 
Gently slide down 
into battery slot/s 
and lock into 
position.
Push latch to
release battery
4. Connecting the Samurai Blade and powering up
