No products in the cart.
Essential 12.8V 55Ah LiFePO4 Deep Cycle Battery
$299.99
🏆 Best Price Guaranteed*
🏆 Best Price Guaranteed*
Essential 12.8V 55Ah LiFePO4 Deep Cycle Battery. 0.7kWh storage. 12.8V nominal voltage and up to 55Ah capacity. Approximately 0.7kWh total energy and 0.6kWh usable energy. Recommended 90% depth of discharge. Recommended charge/discharge current of 25A and maximum current of 50A. Full NZ Manufacturer Warranty. Fast NZ-wide delivery from NZ Depot.
⚠️ Important Compatibility Notice
Please double-check the required specifications with your qualified technician or installer prior to ordering. Due to the technical nature of this product, incorrect orders cannot be exchanged, replaced, or refunded. Thank you for your understanding.
Essential 12.8V 55Ah LiFePO4 Deep Cycle Battery: Genuine Trade Supply
You are viewing the Essential 12.8V 55Ah LiFePO4 Deep Cycle Battery (SKU: BTL-12.8V55). This is a 100 percent genuine Lithium LiFePO4 Batteries product from our Solar Batteries range, chosen for New Zealand homes, baches, vehicles and off-grid sites. Every unit carries a full New Zealand warranty and is backed by NZ Depot support.
Product Details: BTL-12.8V55
Essential 12.8V 55Ah LiFePO4 is a heavy-duty deep cycle battery built for solar storage, RV, marine and off-grid use across New Zealand, offering 0.7kWh of storage. Designed for thousands of charge cycles, it delivers dependable power day after day.
The Essential 12.8V 55Ah LiFePO4 battery is a compact deep-cycle energy-storage battery for solar, RV, marine and general auxiliary-power applications. Its lithium iron phosphate chemistry provides long cycle life, high usable capacity and dependable everyday performance.
Key Features
- ✓ 12.8V nominal voltage and up to 55Ah capacity
- ✓ Approximately 0.7kWh total energy and 0.6kWh usable energy
- ✓ Recommended 90% depth of discharge
- ✓ Recommended charge/discharge current of 25A and maximum current of 50A
- ✓ Peak current of 100A for 500ms at 25 C
- ✓ Bluetooth communication for convenient battery monitoring
- ✓ At least 6,000 cycles under the datasheet test conditions
- ✓ Compact floor-mounted enclosure
- ✓ Use a compatible LiFePO4 charger and follow the installation and operating requirements supplied with the battery.
Essential 12.8V 55Ah LiFePO4: Full Specifications
| Specifications | |
| Model | NZ-1255 |
| SKU | BTL-12.8V55 |
| Battery chemistry | Lithium Iron Phosphate (LiFePO4) |
| Nominal voltage | 12.8V |
| Operating voltage | 10.8-14.4V |
| Capacity | Up to 55Ah |
| Total energy | 0.7kWh |
| Usable energy | 0.6kWh |
| Recommended current | 25A |
| Maximum charge/discharge current | 50A |
| Peak current | 100A for 500ms at 25 C |
| Recommended depth of discharge | 90% |
| Dimensions (W x D x H) | 229 x 138 x 208 mm |
| Actual weight | Approximately 8 kg (datasheet tolerance +/- 2 kg) |
| Communication | Bluetooth |
| Operating temperature | Charge 0 to 55 C; discharge -20 to 55 C |
| Storage temperature | 0 to 35 C |
| Operating humidity | 5%-95% |
| Maximum altitude | 2,000m |
| Cycle life | At least 6,000 cycles under specified test conditions |
| Installation | Floor-mounted |
| Certifications | SAA, IEC 62619 and UN 38.3 |
✔ Full NZ Manufacturer Warranty with full New Zealand support from NZ Depot. Questions? Talk to our team.
Order the Essential 12.8V 55Ah LiFePO4 Deep Cycle Battery online today for fast NZ-wide delivery, or get in touch for volume pricing and expert advice on solar batteries and complete solar systems. NZ Depot ships solar equipment to Auckland, Wellington, Christchurch and everywhere in between.
Need advice or a package deal? Contact NZ Depot or browse more solar power and energy deals at NZ Depot.
Pro Tip: Ensure this BTL-12.8V55 matches your installation. Sourced through official New Zealand supply channels for full compatibility and manufacturer warranty.
The NZ Depot Trade Supply Advantage
🏭
No Showroom Markup
Direct import pricing on every unit we sell. You pay for the product, not the overheads.
🚚
Nationwide Dispatch
From Cape Reinga to Bluff. Routed from the nearest distribution hub for fastest delivery.
Downloads and Documents
Trade and Installation FAQ
Is the Essential 12.8V 55Ah LiFePO4 Deep Cycle Battery suitable for New Zealand conditions?
Yes. The BTL-12.8V55 is built to handle New Zealand conditions and is fully supported by the NZ Depot team, with genuine manufacturer warranty cover.
Does this unit require professional installation?
Grid-connected solar systems, hybrid inverters and EV chargers must be wired in by a licensed New Zealand electrician. Portable panels, batteries and 12V accessories are plug-and-play, so no installer is needed.
How fast is delivery on the BTL-12.8V55?
Orders are dispatched quickly from local stock wherever possible, with delivery to most urban addresses in 2 to 5 working days and rural addresses shortly after. You will receive tracking as soon as it ships.
Looking for the best price on the Essential 12.8V 55Ah LiFePO4? NZ Depot supplies the Essential 12.8V 55Ah LiFePO4 New Zealand wide with fast dispatch, trade pricing and genuine manufacturer warranty support. Compare the Essential 12.8V 55Ah LiFePO4 Deep Cycle Battery with the rest of the Lithium LiFePO4 Batteries range, check the full specifications above, and order the Essential 12.8V 55Ah LiFePO4 online today or request a trade quote for volume supply.
Browse the full range of Solar Power available for NZ-wide trade and retail supply.
© 2026 NZ Depot Limited. All Rights Reserved. | 100% NZ Owned and Operated. | Your Solar Power Supply Specialists.
Additional information
| Weight | 8 kg |
|---|---|
| Dimensions | 208 × 229 × 138 mm |
| MPN | |
| Copper Pipe (mm) | |
| Series | |
| Unit Type |
Only logged in customers who have purchased this product may leave a review.



Reviews
There are no reviews yet