A high quality and high capacity 18650 lithium ion battery. 18650 li-ion batteries are becoming very popular for many applications.
If your RAPT Pill Hydrometer has run out of juice then this is the battery you'll need. The RAPT Pill Hydrometer is specifically calibrated according to the weight distribution and density of this 18650 Li-ion battery ensuring that you can get accurate gravity measurements time and time again.
If your battery is showing any of the following signs then it is probably a good idea to replace it:
1: If it loses charge in a short period of time (such as a day or two or even less)
2: If it is reduced in capacity by 80% percent or more
3: You see a significant increase in recharging time.
4: If it gets hotter than normal when charging (note - all rechargeable batteroies will warm up when charging to some degree).
5: If there is any physical damage to the battery.
6: If it is more then 2-3 years old.
This Li-ion battery can also be used in any electrical device which requires an 18650 Li-ion battery.
18650 Lithium-ion Rechargeable Battery 3200mAh - 3.60V
If your RAPT Pill Hydrometer has run out of juice then this is the battery you'll need. The RAPT Pill Hydrometer is specifically calibrated according to the weight distribution and density of this 18650 Li-ion battery ensuring that you can get accurate gravity measurements time and time again.
This Li-ion battery can also be used in any electrical device which requires an 18650 Li-ion battery.
For more information on this Li-ion battery refer to the product specification sheet below
Lithium-ion rechargeable battery (18650) product specification