LP12-100 12 V 100 Ah LiFePO4 battery pack
A drop-in replacement for a 100 Ah lead-acid battery that delivers roughly 90 Ah of usable energy instead of 50, at about one third of the weight.
Product image
- Brand
- HighIdea
- Type
- 12.8 V LiFePO4 pack, 4S BMS
- Typical applications
- RV, marine, off-grid cabinets, golf carts, solar backup
- Models in range
- LP12-100 standard case, LP12-100B with Bluetooth and RS485, LP12-100H with low-temperature charge protection
- Category
- Battery Packs
What you actually gain over lead-acid
A 100 Ah lead-acid battery is normally specified at 50 % depth of discharge to reach its rated cycle life, so it delivers around 50 Ah. This pack is designed for 90 % depth of discharge and delivers around 90 Ah — nearly double the usable energy from the same nominal rating.
Weight follows the same logic. Around 13 kg replaces 30–31 kg of lead-acid, which matters in a campervan, a boat or anything with a payload limit.
Sizing check before you order
Three things decide whether this pack suits the application:
- Inverter size. 100 A at 12.8 V is 1,280 W. A 1,000 W inverter is comfortably within the continuous rating. A 2,000 W inverter needs the 200 A peak continuously, which this pack does not provide — step up to the LP12-200 or specify a higher-current BMS.
- Charger profile. Confirm 14.2–14.6 V absorption is available, with no equalisation stage.
- Charging temperature. Below 0 °C, order the low-temperature protected variant.
Key Features
- 12.8 V nominal, 100 Ah rated, approximately 90 Ah usable at 90 % depth of discharge
- 1,280 Wh rated energy, 1,152 Wh usable
- 100 A continuous BMS with 200 A peak for 10 seconds
- LiFePO4 chemistry with a 3,000–6,000 cycle rating at 80 % depth of discharge
- Around 13 kg — roughly one third of the equivalent lead-acid capacity
- Four times the cycle life of lead-acid at the depth of discharge actually used
- Bluetooth monitoring app, optional RS485 for BMS data
- UN38.3 test report and MSDS issued with every shipment
Specifications
| Nominal voltage | 12.8 V (4S) |
|---|---|
| Rated capacity | 100 Ah / 1 |
| Usable capacity | approximately 1 |
| Charge voltage | 14.2–14.6 V absorption |
| Cut-off voltage | 10.0 V |
| Continuous discharge current | 100 A |
| Peak discharge current | 200 A for 10 s |
| Continuous charge current | 50 A recommended |
| Cycle life | 3 |
| Operating temperature | -20 °C to +60 °C discharge |
| Enclosure | ABS |
| Mass | approximately 13 kg |
| Terminals | M8 threaded |
| Communication | Bluetooth standard |
Specifications subject to the latest factory data. Final configuration is sized against the actual load, backup runtime and site power conditions — this table is for pre-selection only.
Applications
RV and camper conversion
Replaces a 100 Ah lead-acid leisure battery with nearly double the usable capacity in the same footprint, and removes the requirement to avoid discharging below half.
Marine house bank
Suitable where the house bank is not charged below 0 °C, or with the low-temperature protected variant.
Off-grid and solar cabinet
Pairs with a 14.2–14.6 V MPPT charge profile; deep daily cycling is within the design duty.
FAQ
Can I charge it with my existing lead-acid charger?
Is it a true drop-in replacement?
Can I charge it below 0 °C?
Can I connect four in series for 48 V?
Related Models
LP12-200
Twice the capacity of the standard 12 V 100 Ah pack for installations running a 2,000–3,000 W inverter or needing multi-day autonomy without recharging.
View detailsLP24-100
The 24 V entry point — same cells as the 12 V platform, half the current for the same power, and an enclosure that fits the standard 24 V group size.
View detailsLP48-100
5.12 kWh at 51.2 V with a 16S BMS that speaks the protocol most hybrid inverters and telecom rectifiers expect — configured at the factory to your equipment.
View details