# Genesis G42EP · High-rate UPS battery 12V 42Ah

![Genesis G42EP · High-rate UPS battery 12V 42Ah](https://bateriasonline.es/3907-home_default/genesis-g42ep.jpg)

> Genesis G42EP: 42 Ah high-rate UPS battery, 196.6×165.1×169.9 mm, positive terminal on the right, TPPL. Equivalent to Ritar HR12-150W.

**Category:** [High-rate UPS batteries](https://bateriasonline.es/en/high-rate-ups-batteries) → [Genesis](https://bateriasonline.es/en/genesis-batteries)

- **Canonical URL**: https://bateriasonline.es/en/genesis-g42ep
- **Language**: en
- **Brand**: Genesis
- **Reference**: BOL-GENESIS-G42EP
- **MPN**: G42EP
- **Last updated**: 2026-10-27

## Technical specifications

| Feature | Value |
|---|---|
| Brand | Genesis |
| Range | Genesis EP Pure lead |
| Application | High-rate UPS systems |
| Technology | TPPL |
| Voltage | 12 V |
| Capacity | 42 Ah (C10) |
| Length | 196.6 mm |
| Width | 165.1 mm |
| Height | 169.9 mm |
| Weight | 14.9 kg |
| Polarity | Positive terminal on the right |
| Terminal type | M6 hembra |

## Quick description

The Genesis G42EP is a high-rate UPS battery with 12 V and 42 Ah, measuring 196.6 × 165.1 × 169.9 mm, with the positive terminal on the right.

## Description

## Who the Genesis G42EP is for

The Genesis G42EP is designed for power UPS systems. Its key figure is watts per cell over 15 minutes, not amp-hours.
The G42EP belongs to the Genesis Genesis EP Pure lead range. [The full range of Genesis batteries](https://bateriasonline.es/en/genesis-batteries)

## Equivalents and alternatives to the Genesis G42EP

Other AGM batteries that fit the G42EP's tray with the same polarity: an AGM can only be replaced by another AGM.

| Model | Technology | Capacity | Dimensions (mm) |
|---|---|---|---|
| Ritar HR12-150W | AGM | 40 Ah | 198 × 166 × 169 |

## Genesis G42EP vs G26EP

How the G42EP compares with Genesis batteries of similar size and capacity:

| Model | Capacity | Dimensions (mm) | Positive | Weight |
|---|---|---|---|---|
| Genesis G42EP (this one) | 42 Ah | 196.6 × 165.1 × 169.9 | right | 14.9 kg |
| Genesis G26EP | 28 Ah | 166.1 × 175 × 125 | right | 10.1 kg |

- Genesis G26EP: 14 Ah less, a different case (166.1 × 175 × 125 mm).

## What it means that the G42EP is TPPL

Inside, the G42EP uses thin plates of pure lead (TPPL). It is the technology behind ODYSSEY, GENESIS and PowerSafe.

## What to look at before buying the G42EP

- Length, width and height of the G42EP: 196.6 × 165.1 × 169.9 mm.
- Polarity of the G42EP: positive terminal on the right (if yours has it on the other side, the cables will not reach).
- Your current battery should say about 42 Ah; a little more is also fine.

## Part numbers and codes for the Genesis G42EP

Shops, garages and catalogues identify the G42EP with these codes:

| Commercial reference | G42EP |
|---|---|
| Terminal type | M6 hembra |

## Frequently asked questions about the Genesis G42EP

### G42EP or G26EP: which one suits me?

Compared with the G42EP, the Genesis G26EP has 14 Ah less. With 42 Ah, the G42EP runs longer between charges than the G26EP (28 Ah). Mind the space: the G26EP measures 166.1 × 175 × 125 mm.

### How much does the Genesis G42EP weigh?

14.9 kg, with 42 Ah of capacity. For reference, the Genesis G26EP (28 Ah) weighs 10.1 kg.

### Which battery is equivalent to the Genesis G42EP?

Only other AGM batteries with its dimensions and polarity: Ritar HR12-150W. Neither an EFB nor a conventional battery replaces the G42EP.

### Which side is the positive terminal on the Genesis G42EP?

On the G42EP, the positive terminal is on the right with the terminals facing you: compare it with your current battery, because with reversed polarity the cables will not reach.

### Which charger does the Genesis G42EP need?

A charger with an AGM mode able to deliver high current: TPPL batteries charge fast and accept up to 40% of their capacity in amps. Absorption voltage 14.4-14.7 V.

## More batteries to compare with the G42EP

- [Other high-rate UPS batteries](https://bateriasonline.es/en/high-rate-ups-batteries)
- [The whole Genesis range](https://bateriasonline.es/en/genesis-batteries)
- [Fulbat FPH12-1100W](https://bateriasonline.es/en/fulbat-fph12-1100w) · 46.5 Ah, 197×165×170 mm
- [Genesis G70EP](https://bateriasonline.es/en/genesis-g70ep) · 72 Ah, 328.7×166.1×174 mm
- [Genesis G200EP](https://bateriasonline.es/en/genesis-g200ep) · 200 Ah, 580.9×125×316.5 mm

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*bateriasonline.es — Batteries and accessories · 2026-11-10*