The Dong Nai maintenance-free battery requires no maintenance throughout its service life. It utilizes continuous casting technology, ensuring high-quality and uniform lead plates. Its lead alloy composition and special additives make it highly suitable for engine starting applications.
□ Battery parts number and Outstanding Features of the Dong Nai CMF ・Battery parts number : 40B20 / 12V-35Ah(20Hr)
KMVL code
Parts number
BTB20L-40MF-DN
CMF 40B20L
BTB20LS-40MF-DN
CMF 40B20LS
BTB20R-40MF-DN
CMF 40B20R
BTB20RS-40MF-DN
CMF 40B20RS
・Battery parts number : 44B20 / 12V-43Ah
KMVL code
Parts number
BTB20L-44MF-DN
CMF 44B20L
BTB20LS-44MF-DN
CMF 44B20LS
BTB20R-44MF-DN
CMF 44B20R
BTB20RS-44MF-DN
CMF 44B20RS
・Terminal & Layout Guide
Parts number
Terminal type
Layout
Hold Down
CMF 40B20L
T1
C0
B2
CMF 40B20LS
T2
C0
B2
CMF 40B20R
T1
C1
B2
CMF 40B20RS
T2
C1
B2
CMF 44B20L
T1
C0
B2
CMF 44B20LS
T2
C0
B2
CMF 44B20R
T1
C1
B2
CMF 44B20RS
T2
C1
B2
・SIZE(L x W x H x TH) : 196 x 136 x 200 x 223mm ・Warranty : 9 month
Calcium-lead alloy – Eliminates water loss and minimizes self-discharge. Double-layer battery cover – Built-in vent tubes effectively reduce water evaporation. Indicator (Hydrometer) – Allows easy monitoring of battery status. Vibration-resistant design – Engineered to withstand Vietnam’s road conditions.
