CSB EVH12390 12V 39Ah Sealed Lead-Acid Battery

What is the CSB EVH12390?

The CSB EVH12390 is a 12 V, 39 Ah valve-regulated lead-acid (VRLA) battery with absorbent glass mat (AGM) construction from the CSB EVH series (High Cycle, Extended Runtime). It is sealed and maintenance-free: it never needs water.

CSB designs this series for e-mobility and deep cycling. A flame-retardant case is available on request.

What are the specifications of the CSB EVH12390?

Figures published by CSB in the EVH12390 datasheet (2026 edition), with the CSB price list attributes marked:

Nominal voltage: 12 V
Nominal capacity (CSB price list): 39 Ah
Rated capacity, 20-hour rate to 1.75 V/cell, 25 °C: 39.2 Ah
Rated capacity, 8-hour rate to 1.75 V/cell, 25 °C: 35.68 Ah
Maximum charge current: 11.7 A
Maximum discharge current: 400 A
Internal resistance: approx. 8.9 mΩ
Terminal: B5 terminal for M6 bolt; CSB price list options: B5 / I
Container: ABS, UL 94-HB
Flame-retardant case: available on request (CSB price list)
Weight, approx.: 25.35 lb (11.5 kg)
Dimensions (L x W x H): 195.6 x 130 x 178.3 mm (7.7 x 5.12 x 7.02 in)
Case / group size (CSB price list): U1
Design life: 1800 cycles at 100% depth of discharge, 25 °C
Discharge temperature range: -15 to 50 °C
Equalize / cycle charging voltage: 14.4 – 15.0 V per battery at 25 °C (77 °F)
Standards (CSB datasheet): IEC 60254-1:2005 & IEC 60254-2:2008 UL1989 Recognized (MH14533)

How do I request a quote for the CSB EVH12390?

Request a quote by the part number EVH12390. Tell us the quantity you need and, where CSB lists more than one terminal or case option, which one. We confirm price, availability and lead time with the quote.