# Trojan 12-AGM · Solar battery 12V 140Ah ![Trojan 12-AGM · Solar battery 12V 140Ah](https://bateriasonline.es/9-home_default/trojan-12-agm.jpg) > Trojan 12-AGM: 140 Ah solar battery, 344×172×278 mm, AGM. VAT included and shipping cost shown before you pay. **Category:** [Solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries) → [Trojan](https://bateriasonline.es/en/trojan-batteries) - **Canonical URL**: https://bateriasonline.es/en/trojan-12-agm - **Language**: en - **Brand**: Trojan - **Reference**: BOL-TROJAN-12-AGM - **EAN**: 8404653001544 - **MPN**: 12-AGM - **Price**: 955,21 € (VAT incl., Spain) - **Last updated**: 2026-11-07 ## Technical specifications | Feature | Value | |---|---| | Brand | Trojan | | Range | TROJAN AGM | | Application | Solar and off-grid systems | | Technology | AGM | | Voltage | 12 V | | Capacity | 140 Ah | | Length | 344 mm | | Width | 172 mm | | Height | 278 mm | | Weight | 45 kg | ## Quick description Trojan 12-AGM: solar battery with 12 V and 140 Ah, measuring 344 × 172 × 278 mm. ## Description ## Who the Trojan 12-AGM is for The Trojan 12-AGM is made for stand-alone photovoltaic and off-grid systems. Its capacity is rated at 20 hours (C20); at slower discharge rates the usable capacity is higher. The 12-AGM belongs to the Trojan TROJAN AGM range. [See all Trojan batteries](https://bateriasonline.es/en/trojan-batteries) ## Equivalents and alternatives to the Trojan 12-AGM We have no other battery with exactly the dimensions and polarity of the 12-AGM. Browse the rest of our [solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries) to compare close options. ## Trojan 12-AGM vs SAGM 12 135 and SAES 12 135 What sets the 12-AGM apart from its neighbours in the Trojan range: | Model | Capacity | Dimensions (mm) | Weight | |---|---|---|---| | Trojan 12-AGM (this one) | 140 Ah | 344 × 172 × 278 | 45 kg | | Trojan SAGM 12 135 | 135 Ah | 329 × 179 × 278 | 38 kg | | Trojan SAES 12 135 | 134 Ah | 329 × 179 × 278 | 39 kg | - Trojan SAGM 12 135: 5 Ah less, a different case (329 × 179 × 278 mm). - Trojan SAES 12 135: 6 Ah less, a different case (329 × 179 × 278 mm). ## What it means that the 12-AGM is AGM Inside, the 12-AGM has glass fibre separators (AGM) that hold the electrolyte. It is fitted in cars with advanced Start-Stop and in deep-cycle equipment. ## What to look at before buying the 12-AGM - The 12-AGM needs 344 × 172 × 278 mm of space: measure it with the hold-down clamp in place. - Capacity of the 12-AGM: 140 Ah; the same as your current battery or slightly more is fine. ## Part numbers and codes for the Trojan 12-AGM Shops, garages and catalogues identify the 12-AGM with these codes: | Commercial reference | 12-AGM | |---|---| | EAN | 8404653001544 | | Not to be confused with | Trojan 22-AGM (50 Ah) | ## Frequently asked questions about the Trojan 12-AGM ### 12-AGM or SAGM 12 135: which one suits me? Compared with the 12-AGM, the Trojan SAGM 12 135 has 5 Ah less. With 140 Ah, the 12-AGM runs longer between charges than the SAGM 12 135 (135 Ah). Mind the space: the SAGM 12 135 measures 329 × 179 × 278 mm. ### How much does the Trojan 12-AGM weigh? 45 kg, with 140 Ah of capacity. For reference, the Trojan SAGM 12 135 (135 Ah) weighs 38 kg. ### Which charger does the Trojan 12-AGM need? A charger with an AGM mode that limits voltage to about 14.4-14.7 V. Never an old unregulated charger: overcharging dries out an AGM beyond repair. ## Other options if you are unsure about the 12-AGM - [Other solar batteries for off-grid systems](https://bateriasonline.es/en/off-grid-solar-batteries) - [The whole Trojan range](https://bateriasonline.es/en/trojan-batteries) - [Trojan SAGM 08 165](https://bateriasonline.es/en/trojan-sagm-08-165) · 165 Ah, 262×179×273 mm - [Trojan T875-AGM](https://bateriasonline.es/en/trojan-t875-agm) · 160 Ah, 262×179×273 mm - [Trojan T1275-AGM](https://bateriasonline.es/en/trojan-t1275-agm) · 140 Ah, 329×179×278 mm --- *bateriasonline.es — Batteries and accessories · 2026-11-10*