CSB TPL12400TFR 12V 45Ah Sealed Lead-Acid Battery, Flame-Retardant Case

What is the CSB TPL12400TFR?

The CSB TPL12400TFR is a 12 V, 45 Ah valve-regulated lead-acid (VRLA) battery with absorbent glass mat (AGM) construction from the CSB TPL series (Telecom Front Access). It is sealed and maintenance-free: it never needs water.

CSB designs this series for float service standby power, such as telecom backup. This part number has a flame-retardant (UL 94-V0) case as standard.

CSB lists this part as a non-stock item, so availability and minimum order quantity are confirmed with your quote.

What are the specifications of the CSB TPL12400TFR?

Figures published by CSB in the TPL12400T datasheet (2026 edition), with the CSB price list attributes marked:

Nominal voltage: 12 V
Nominal capacity (CSB price list): 45 Ah
Rated capacity, 20-hour rate to 1.75 V/cell, 25 °C: 45.2 Ah
Rated capacity, 8-hour rate to 1.75 V/cell, 25 °C: 40.64 Ah
Maximum charge current: 12 A
Maximum discharge current: 400 A
Internal resistance: approx. 6.7 mΩ
Terminal: I2 threaded insert for M6 bolt
Container: flame-retardant ABS, UL 94-V0
Flame-retardant case: standard on this part number (CSB price list)
Weight, approx.: 33.06 lb (15 kg)
Dimensions (L x W x H): 280 x 105 x 195 mm (11.02 x 4.13 x 7.67 in)
Case / group size (CSB price list): FT (Tall)
Design life: up to 12 years in standby service at 25 °C; Eurobat (20 °C) classification: >12 years, very long life
Discharge temperature range: -15 to 50 °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) and UL1989 Recognized (MH14533)

How do I request a quote for the CSB TPL12400TFR?

Request a quote by the part number TPL12400TFR. 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.