MISSON-READY POWER FOR EVERY LMP PLATFORM

The upcoming LMP programme requirements call for a modular BMS (Battery Management System) that handles charging of multiple battery banks, charge prioritisation, power export and sharing, flat battery protection and battery monitoring functions. Merlin Power provides a turn-key solution for all variants of the LMP.

Merlin power has been at the forefront of military BMS systems for over 20 years. We own the World’s most accurate battery monitoring technology. Our systems are MOTS, TRL-9 and fielded across multiple NATO platforms and fitted as standard on a Program of Recognition with the US Army.

Due to the wide scope of the LMP, we are able to combine our MOTS devices with their COTS equivalents to allow you to tailor systems to match both operational and conformity requirements as well as balancing budgets. Contact our Defence Team for more information.

SYSTEM OVERVIEW & KEY CAPABILITIES

DATACELL IIe: BATTERY MONITORING SYSTEM
When every second counts, knowing your exact power status can be the difference between success and failure. The DataCell IIe monitors up to four independent battery banks in real time, giving vehicle commanders the insight they need to keep critical systems online and operational.

Engineered for demanding defence environments, it maximises efficiency, eliminates guesswork, and ensures your fleet stays mission-ready without compromise.
Stand-alone battery monitor to provide both mission critical
battery information and diagnostics for engineers.
- Battery information includes: Volts, Net Amps, SoC% (State of Charge), AHrs and Battery Time Remaining until Flat.
- Battery SoH% (State of Health) for identification of failing batteries before they fail in theatre. Datalogging of all parameters.
- Independent tests by DSTL, TARDEC and EnerSys prove accuracy of >99% on SoC% and >99.9% on SoH%
- Lowest power consumption of any battery monitoring system (less than self discharge rate of batteries)
- Physical NVG compatible display panel and/or J1939/CAN/RS integration
- Multiple inputs/outputs for alarms, interlocks, black out etc
- Suitable for up to 4x independent battery banks
- MIL-STD 461-F, MIL-STD 810G, DEF-STAN 59-411 & DEF-STAN 00-35 Compliant
VBMS: VEHICLE BATTERY MANAGEMENT SYSTEM
When operational readiness is non-negotiable, the Vehicle Battery Management System (VBMS) delivers intelligent control and protection for every onboard battery bank. Using smart power gateways, it automatically manages charging, optimises power sharing during discharge, and shields batteries from over-discharge to extend their service life.

A centralised dash panel gives crews the power to switch banks on or off and maintain peak efficiency in the toughest environments—keeping fleets mission-ready without compromise.
Vehicle BMS to manage primary electrical system.
- Prioritised, zero loss split charging of multiple batteries
- Charge prioritisation
- Power sharing (eg jump start from auxiliary, augment silent watch with HVAC battery etc)
- System brownout protection for high current transient loads
- Battery isolation from multiple locations aboard vehicle
- Primary flat battery protection to prevent batteries being excessively discharged with optional commander over-ride
- Multiple programmable inputs/outputs for driving alarms, interlocks, other systems etc
- Datalogging and system health tool
- MIL-STD 461-F, MIL-STD 810G, DEF-STAN 59-411 & DEF-STAN 00-35 Complia
VBMS + DATACELL IIe: ONE INTEGRATED POWER SOLUTION
Merlin’s VBMS with integrated DataCell IIe delivers MIL-spec battery management and advanced real-time monitoring in one powerful solution. The result: maximum uptime, optimised power sharing, and extended battery life—no matter how tough the environment.

Proven in the field to extend silent watch times by 25–50%, minimise brownouts, cut fuel use, reduce idle time, and lower battery replacement costs—keeping fleets mission-ready without compromise.
Integrated VBMS and DataCell IIe which uses advanced battery monitoring information to further improve BMS performance.
- As per stand-alone VBMS/DataCell IIe products
- Interface between Monitoring & Management System for enhanced accuracy and control
- Optional NVG compatible panel with battery monitoring and battery control