CSB XTV1285F2 12V 8.5Ah Sealed Lead-Acid Battery

What is the CSB XTV1285F2?

The CSB XTV1285F2 is a 12 V, 8.5 Ah valve-regulated lead-acid (VRLA) battery with absorbent glass mat (AGM) construction from the CSB XTV series (Extreme Temperature Resistant). It is sealed and maintenance-free: it never needs water.

CSB designs this series for float service standby power in extreme temperature environments. A flame-retardant case is available on request.

What are the specifications of the CSB XTV1285F2?

Figures published by CSB in the XTV1285 datasheet (2026 edition), with the CSB price list attributes marked:

Nominal voltage: 12 V
Nominal capacity (CSB price list): 8.5 Ah
Rated capacity, 20-hour rate to 1.75 V/cell, 25 °C: 8.8 Ah
Rated capacity, 8-hour rate to 1.75 V/cell, 25 °C: 8 Ah
Maximum charge current: 2.55 A
Maximum discharge current: 130 A
Internal resistance: approx. 20.9 mΩ
Terminal: F2, Faston tab 0.250 in
Container: ABS, UL 94-HB; flame-retardant UL 94-V0 case available on request
Flame-retardant case: available on request (CSB price list)
Weight, approx.: 5.77 lb (2.62 kg)
Dimensions (L x W x H): 150.9 x 64.8 x 98.6 mm (5.94 x 2.55 x 3.88 in)
Case / group size (CSB price list): M7
Design life: up to 12 years in standby service at 25 °C
Float charging voltage: 13.5 – 13.8 V per battery at 25 °C (77 °F)
Equalize / cycle charging voltage: 14.4 – 15.0 V per battery at 25 °C (77 °F)
Standards (CSB datasheet): IEC 60896-21/22:2004 UL1973 Listed (MH66728) UL1989 Recognized (MH14533)

How do I request a quote for the CSB XTV1285F2?

Request a quote by the part number XTV1285F2. 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.