Customer Notices:

Due to tier 4 restrictions our Port Solent store will be closed from 20th December 2020. Our website, mail order and click & collect business will remain fully operational. Our Click and collect point is from our warehouse just outside Port Solent. See directions HERE

Any order that leaves the UK will now be sent EXCLUDING VAT and will likely be subject to import duties and taxes which are applied by the destination’s local authorities.

NASA Clipper Battery Monitor

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NASA Clipper Battery Monitor


RRP £105.00


Size: BM1



The BM-1 is designed to monitor performance of 12 volt lead acid battery systems with capacities of up to 650 Amp hours. It is supplied complete with a precision 100 AMP shunt and a prefabricated cable assembly to enable simple DIY installation. The unit continuously monitors voltage, current (charge or discharge), number of amp/hours (charge or discharge), the batteries state of charge and the time to charge or discharge. This information leads to more efficient use of the battery, which can enhance battery life and reduce the risk of failure. Specifications Supply voltage 8 - 16 Volts DC Supply current 3 milliamps Battery capacities 5 - 650 AMP Hour Load current 100 AMPS Maximum Charge current 100 AMPS Maximum Shunt Standard 50 millivolt @ 100 AMP Cables supplied: 100 AMP shunt link to M8 Ring terminal. 5 Metre from display unit to battery - fused and fitted with ring terminals for shunt, fuse holder and M8 ring terminal to battery. Display unit Standard 110mm square Clipper case. High contrast LCD, backlit for night viewing. Minimum voltage visual alarm Simple operation - 4 keys to select backlight, Volt/Amp/State of Charge screen, AMP hours or Time to run.
Size / ColourPart NumberStock AvailabilityPrice
BM1991382193 at 22/01 10:20 £89.95 Add to Basket