Product Description
Energizer 100Ah LiFePO4 Battery
The Energizer Industrial Lithium SLIL27-100DCM is a 12V 100Ah lithium deep cycle battery that's engineered for marine, RV, off-grid solar, and energy-storage systems that require high capacity and dependable power. Designed with a 100 amp continuous discharge rating and a built-in Battery Management System (BMS) for protection and long service life. A light 24 pound design makes it a perfect drop-in lithium upgrade over heavier AGM or flooded Group 27 batteries.
Features & Benefits
- 100Ah Capacity – Long run times for trolling motors, RV house loads and off-grid systems.
- Built-In BMS Protection – Over/under-voltage, over-current, short-circuit and temperature protections.
- Light Weight – Easier handling and drop-in replacement for many Group 27 applications.
- Fast, Efficient Charging – Optimized for LiFePO4 smart chargers and solar charge controllers.
- High Discharge Capability – Supports inverters and DC loads up to 100 continuous amps.
- Scalable System Design – Wire up to 4 in series (24/36/48V) or 4 in parallel (up to 400Ah).
- 3 Year Warranty – Backed by VMAX's industry leading customer service.
Important: Deep Cycle Use Only – Not suitable for starting applications or golf carts.
Why Choose Energizer Lithium Batteries?
The Energizer Industrial Lithium series batteries are designed with an advanced Battery Management System (BMS) to deliver stable, maintenance-free deep-cycle power—year after year. The standardized group sizes and M8 terminals simplify drop-in lithium upgrades where AGM or flooded batteries were previously used. With fast charging, high discharge capability and support for series & parallel banks, they scale easily from a single house battery to multi-battery energy storage banks. Backed by a 3-Year Warranty and a 2,000 cycle design life for reliable power and excellent long-term value.
| Type | Lithium (LiFePO4) |
| Voltage | 12.8 Volts |
| Capacity | 100Ah / 1280Wh |
| Maximum Continuous Discharge |
100 Amps |
| Group Size | 27 |
| Length | 12.04" (306 mm) |
| Width | 6.61" (168 mm) |
| Height | 8.31" (211 mm) |
| Weight | 24.25 lbs (11.0 kg) |
| Terminals | M8 Inserts (hardware incl.) |
| Polarity | + Left / - Right |
| Charging Current |
10 - 20A |
| Charging Voltage |
14.6V |
| Low Voltage Cut-Off |
8.8V |
| Operating Temperature |
-4°F - 140°F (-20°C - 60°C) |
| Charging Temperature |
32°F - 131°F (0°C - 55°C) |
| Series Connections |
Up to 4 (48V) |
| Parallel Connections |
Up to 4 (400Ah) |
| Cycle Life | 2,000 Cycles |
| Warranty | 3 Years |
VMAX SLIL27-100DCM Group 27 Cross-Reference
Group 27 Lead-Acid Batteries: 27DC, 27DC-DL, 27M-DP, 8027-127, 8A27M, 8G27M, CT2400, DURA12-100C/FR, DURHR12-370C/FR-A, M27, M-27DC, MB127-100, MR127-100, PDC-121000 M6, PDC-121050 M6, PS121000 M6, SLI27AGMDPM, SLI27MAGMDC, SLI27MDC, SLI27MDP, SLR100, XCA27-1200, XTR27-110, UB121000.
Group 27 12V Lithium Batteries: BB10012, BB10012H, BB10012i, BB10012iH, LFP12100MBH, SLIL27-100DCM.
Important: Always confirm your battery's dimensions, terminal configuration, and specifications before purchase to ensure proper fit and performance.
Warning: LiFePO4 charger required if upgrading from non-lithium batteries.