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Description
NASA Battery Monitor BM2 Compact 12VDC 200ampFeatures Supply voltage 8 16 Volts DC. Supply current 1. 5 milliamps. Battery capacities 5 999 AMP Hour. Load current 199 AMPS Maximum. Charge current 199 AMPS Maximum. Shunt Standard 50 millivolt @ 200 AMP. Cables supplied: 200 AMP shunt link to M8 Ring terminal and 5 Metre from display unit to battery fused and fitted with ring terminals for shunt fuse holder and M8 ring terminal to battery. Compact size 125 x 62 x 23mm. BM 2 Compact is designed
Features
- Supply voltage 8 - 16 Volts DC.
- Supply current 1.5 milliamps.
- Battery capacities 5 - 999 AMP Hour.
- Load current 199 AMPS Maximum.
- Charge current 199 AMPS Maximum.
- Shunt Standard 50 millivolt @ 200 AMP.
- Cables supplied: 200 AMP shunt link to M8 Ring terminal and 5 Metre from display unit to battery - fused and fitted with ring terminals for shunt fuse holder and M8 ring terminal to battery.
- Compact size 125 x 62 x 23mm.
BM-2 Compact is designed especially for applications where space is at a premium. It fully monitors performance of 12 volt lead acid battery systems with capacities of up to 999 Amp hours. The package is supplied complete with a precision 200 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.
The minimum information required to monitor the state of charge of a battery is the terminal voltage and the charge/discharge current. The Nasa Clipper BM-2 Battery Monitor measures both these parameters and computes the state of charge using a complex well proven algorithm.
A simple and intuitive display shows the service battery voltage charge/discharge current state of charge and time to charge/discharge. Nasa Clipper BM-2 Baterry Monitor also warns the user when the charge level is too low so that load can be shed or charging commenced to protect the battery. A resettable Amp Hour counter is provided for checking the efficiency of the charging system or keeping a track of power consumption and a second input lets the user monitor the voltage of the starter batter. The simple display format does not mean the internal software is unsophisticated. In fact two separate algorithms are used. One based on integrating amp hours over the charge and discharge cycle the second based on an adaptive internal mathematical battery model.
A unique feature of the Nasa Clipper BM-2 Battery Monitor is its ability to use information from both algorithms during the charge/discharge cycles to continually update its performance. This means that unlike many other systems that rely solely on amp hour integration the Nasa BM-2 Battery Monitor never needs to be re-synchronised with the battery. The algorithm includes Peukert\'s equation to ensure accuracy over a wide range of load currents.
The Nasa Clipper BM-2 Battery Monitor does all this whist consuming a meagre one and a half milliamps. Nasa Clipper BM-2 is a true battery monitor easy to install and excellent value for money.
A simple and intuitive display shows the service battery voltage charge/discharge current state of charge and time to charge/discharge. Nasa Clipper BM-2 Baterry Monitor also warns the user when the charge level is too low so that load can be shed or charging commenced to protect the battery. A resettable Amp Hour counter is provided for checking the efficiency of the charging system or keeping a track of power consumption and a second input lets the user monitor the voltage of the starter batter. The simple display format does not mean the internal software is unsophisticated. In fact two separate algorithms are used. One based on integrating amp hours over the charge and discharge cycle the second based on an adaptive internal mathematical battery model.
A unique feature of the Nasa Clipper BM-2 Battery Monitor is its ability to use information from both algorithms during the charge/discharge cycles to continually update its performance. This means that unlike many other systems that rely solely on amp hour integration the Nasa BM-2 Battery Monitor never needs to be re-synchronised with the battery. The algorithm includes Peukert\'s equation to ensure accuracy over a wide range of load currents.
The Nasa Clipper BM-2 Battery Monitor does all this whist consuming a meagre one and a half milliamps. Nasa Clipper BM-2 is a true battery monitor easy to install and excellent value for money.
In The Box
Display; 200 AMP shunt link to M8 Ring terminal; 5 m cable.
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Exchange/Return Notes
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4.7 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Durable product.
Color: Grey
My dog loves it. Very durable.
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Reviewed in the United States on April 12, 2026
★★★★★ 1
15 Minutes….with update x2
Color: Orange
Within 15 minutes my 10-month old puppy had one of the moose antlers torn half off. I’ll see if he is able to destruct any more of this “indestructible” toy. If it holds up I’ll come back and upgrade the number of stars but for now…not impressed.
UPDATE:
Sadly he was able to rip it open via the appendages (the legs). The main body of the toy seems pretty tough but no dog is going to keep away from the legs. Downgrade to 1 star.
UPDATE #2:
I just received my second attempt at using this “indestructible” toy. This time I went with the rino since the legs are rope and not a sewn on leg. Well, in about 5 minutes my puppy had the horn torn and the horn provides direct access to the inside stuffing. As mentioned above, the legs are rope. The design was pretty smart in that both the front legs is one posted of rope going through a hole made in the stuffed toy. Same for the rear legs. This prevents the dog tearing them off and getting access to the stuffing. Sadly the horn being torn off right away makes this toy destructible.
I think the only way they may be successful calling this an indestructible toy would be if they made a ball out of the body material or perhaps something in the shape of a bone.
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Reviewed in the United States on October 9, 2023
★★★★★ 4
AWESOME TOY for aggressive chewers
My 4 legged fur baby has only had for a few days. Now we’ve purchased several others in the past and he LOVES them. EXTREMELY durable. He is a dachshund and loves to destroy his toys. It’s almost like it’s a mission to see how fast to get the stuffing and squeakers out of his toys and can say he has been unable to destroy any. Now the reason I gave this only 4 stars is because the end of the tail has hair like material and he did start tearing this apart. Was finding the hair on his blanket and hanging out of his mouth. So I just trimmed the tail and he is back to loving on his toy. I would highly recommend this to anyone.
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Reviewed in the United States on May 2, 2021
★★★★★ 5
Cute and my dog loves it
My dog loves toys she can play rough with both her teeth and paws and this one was loved the second it came out of the packaging. We liked that the eyes are sewn patches so nothing to swallow if it detaches (other than the material). The knotted ropes that form it’s arms and legs actually move through the body from side to side, which makes tugging games fun and interesting. We also liked that there were no dangling easy-to-chew off bits, for example, the ears are tiny nubs so she can’t get them off with her teeth easily. The stuffing is also firm and full so it’s like a soft toy to cuddle up with but with rope limbs to sink her teeth into. She rates it highly.
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Reviewed in the United States on July 9, 2021
★★★★★ 3
Chew proof except for stuffing
Color: Grey, Color: Grey
I left Sage with her new chew toy and was distracted by something in the other room. I came back not 5 minutes later, and this was what I saw! Stuffing all over the floor! And that was just the beginning. By the end of the day, I had cleaned up stuffing several times from separate sessions with the toy! The rest of the poor toy is holding together, except that it has lost a couple of squeakers. I don't know whether to recommend it or not. Sage is exceptionally, extraordinarily, extremely, immensely, and profoundly aggressive when she chews (on inanimate objects only -- no humans or other animals!).
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Reviewed in the United States on April 30, 2023