KSTAR Deep Cycle deep-discharge batteries, 2/12 V, 38–2000 Ah

Name: Deep Cycle deep-discharge batteries, 2/12 V, 38–2000 Ah
Brand: KSTAR

Supplied as an official KSTAR partner

Manufacturer: KSTAR · China · Model: Deep Cycle

Deep Cycle lead-acid batteries are built for cyclic duty, not for standby float service. The capacity is 38–2000 Ah and the cell voltage is 2 or 12 V. They are installed in solar plants with storage and in energy storage systems, where the battery gives up a noticeable share of its charge every day.

Capacity: 38–2000 Ah
Voltage: 2 and 12 V
Service life: 15 years (2 V), 10 years (12 V)
Operating temperature: −20…+50 °C

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Technical specifications

Capacity	38–2000 Ah
Voltage	2 and 12 V
Service life	15 years (2 V), 10 years (12 V)
Operating temperature	−20…+50 °C

Specifications are taken from the manufacturer’s technical documentation. Updated 11/06/2026.

Description

Deep-discharge batteries are made for regular charge and discharge cycles, so they serve solar installations and storage systems, where the battery works daily rather than once a year as emergency backup. The range has two cell types. The 2 V versions have a stated service life of 15 years, the 12 V monoblocks 10 years. The 2 V cells are assembled into a series string of the required voltage, which for capacities up to 2000 Ah is more convenient than paralleling many monoblocks. The 12 V monoblocks are easier to mount in small installations. With a range of −20…+50 °C, the battery is better placed in a heated room or a climate-controlled cabinet than on an open site.

How to choose

Start with cell voltage and the capacity within 38–2000 Ah. For large capacities and long life take 2 V cells (15 years), for small systems the 12 V monoblocks (10 years). For constant float charging the GEL series is closer, with 12 V gel batteries, −40…+65 °C and up to 20 years. For lithium chemistry with a built-in BMS and over 3500 cycles, look at the LFP, 12.8 V.

Request a price and lead time

Deep Cycle deep-discharge batteries, 2/12 V, 38–2000 Ah, KSTAR. We reply within one business day.

Or email office@usk.ua or call +38 (044) 339-50-20.

FAQ

What are the capacity and voltage of Deep Cycle batteries?

The capacity is 38–2000 Ah and the cell voltage is 2 or 12 V. The 2 V cells are connected in series to the required battery voltage.

What is the service life of Deep Cycle batteries?

15 years is stated for the 2 V cells and 10 years for the 12 V monoblocks.

Are these batteries suitable for solar plants and storage systems?

Yes, the series is made for cyclic operation in solar installations and storage systems. The operating temperature is −20…+50 °C, so choose an enclosed location.

How does Deep Cycle differ from GEL gel batteries?

The GEL is made for 12 V with a range of −40…+65 °C and a life of up to 20 years in float mode. Deep Cycle comes in two voltages, 2 and 12 V, but works in a narrower range of −20…+50 °C.