
GMB JMWD-8S of Hi-temp. Li-SOCl2 Battery Packs
The battery pack is rated at 29.0V and has a nominal capacity of 29.0Ah, providing consistent, reliable energy in even the most challenging environments. Its maximum pulse current of 1500mA ensures that it can meet the high requirements of LWD (logging while drilling) and MWD (measurement while drilling) tools, making it a must-have component for professionals in this field.
GMB JMWD-8 is able to withstand extreme temperatures, operating efficiently from -40°C to 150°C and even withstands conditions up to 180°C. This exceptional temperature resistance makes it ideal for high-temperature Li-SOCl2 battery applications, ensuring your devices keep running in the harshest conditions.
With compact dimensions of Ф 37.5mm × 1185.0mm, the GMB JMWD-8 is designed to be easily integrated into a variety of well-maintained tools, providing a seamless power solution without compromising space or performance.
In summary, the GMB JMWD-8 High Temperature ER Battery Pack is the ultimate choice for petroleum industry professionals looking for reliable, high-performance battery solutions. With its advanced technology and rugged design, it's ready to power your operations, ensuring efficiency and success on every drilling job. Choose the GMB JMWD-8 for your high temperature ER battery needs and experience the difference in performance and reliability.

Nominal capacity: 29.0Ah
Maximum pulse current: 1500mA maximum
Size: Ф 37.5mm × 1185.0mm
Working temperature: - 40 ℃~150 ℃/180 ℃
Mainly used for well-service tools, oil drilling service, LWD/MWD tooling
Other high-temperature li-SOCl2 battery packs
Type |
Voltage (V) |
Capacity (Ah) |
Out Diameter/ Length (mm) |
Max. Pules Working Current (mA) |
Working Temperature(℃) |
Gamma Battery pack |
36.5 |
14 |
38×900 |
1000 |
-40~150/180 |
JMWD-8S |
29.0 |
29.0 |
37.5 ×1185 |
1500 |
-40~150/180 |
JMWD-10S |
28.8-29.2 |
27.0 |
37.5 |
1200 |
-40~150/180 |
GE Battery pack |
29.0 |
29.0 |
37.5×1150 |
1500 |
-40~150/180 |
GE-MWD-QDT Battery pack |
28.8-29.2 |
29.0 |
37.5×1150 |
1500 |
-40~150/180 |
APS-MWD Battery pack |
36.5 |
29.0 |
37.0×1455.0 |
1500 |
-40~180 |
FE Battery pack |
21.9 |
9.0 |
50.5 × 190.2 |
300 |
-40—150/180 |
UTE Battery pack |
29.0 |
29.5 |
37.5×1190.0 |
1500 |
-40~150/180 |
EMW Battery Packs |
14.6 |
29.0 |
37×1805.0 |
1500 |
-40~150/180 |
Near-drill Battery Pack |
21.0 |
14.0 |
38.0×495 |
1000 |
-40~150/180 |
T40 Battery pack |
29.0 |
14.0 |
30×1010 |
10000 |
-40~150/180 |
FE-3S |
11.0 |
9.0 |
26.5×362 |
500 |
-40~150/180 |