WrineX

Hi Guys and Girls, it has been a while. Since i got quite some interest in my NP50 chargers i wanted to ask the following. I am creating a list of people that would like one of my 8 bay chargers, so i can then drop my current income and create a tiny buffer (i do a batch of 30-50 like a kickstarter but without the royalty free music, and without paying up front). I then would have a proper VAT number etc. Price ex VAT would be around 325-350 euro ex VAT and shipping. Just wondering if you would be still interested and if you wish to be on that list. of course it is just an indication for me if i can take that step. Without not being able to pay rent after one month. so i only go forward if im able to fill that list, just like a kickstarter. If you got any questions i would be happy to answer them by a private message , here , or on facebook whatever you like. Kind regards Joppe NP50 Charger V3.0 (own circuits with converter) Features/specs Smallest form factor of all NP50 chargers on the market. (HxWxL) 4.92 x 11.8 x 6.4 cm. Charges 8 NP-50's Simultaneous. Over sized Converter that can supply up to 2.5 times the current required, to run cool and increase reliability. Matched Charging chips within 1% accuracy. (all pcb's are tested manualy). Swiss made gold plated spring loaded battery contacts. External power supply from a well known brand. Passive cooling. A reset/on off switch with protection so you cant bump it by accident. Ability to be fed by a DC power source between 10-48 volts DC (Cart battery or your Car, or a laptop brick) Weight ~500 grams. (excluding power supply) Dual LED : On each side of the slot, green or a red LED so you can see witch slot is charging more clearly. Battery disconnect detection: While the charge ready light is lit(green), the red light blinks when there is no battery in the slot or the battery is disconnected (a feature Constantine wanted and accidentally was already in the new charger) so if it is blinking next day with a battery present, the battery might be faulty or did not connect properly. Power supply specifications Power 25 Watt Input range: 85~264 Vac Certificating: CE Cooling : Passive Protection : Short circuit Overload. Over voltage Charger specification Charge rate each slot : ~400mA Charge end voltage accuracy: Within 1 % accuracy (all manually tested, and chips replaced if they did not meet this 1% criteria) Protection : Overheat Protection: Charger will cycle down charge current if module reaches above 65+- degrees Celsius. Reverse Polarity Protection Output over/under voltage Over current protection Short circuit protection Thermal shutdown protection Soft start Weight : Charger 250 Grams Weight: Power supply 220 Grams I will make nicer picture for the website haha, this is my disability of taking nice pictures ! Here is a video of the different components that make up one of those chargers, just for fun.

Thanks allot for the kind words ! im glad it performs as it should. im pretty happy with it so far. none came back. so far ! knock on wood Yeah Constantin you where one of my first customers ! im glad you and some others got the thing going. if you ever want to replace that V1 with a V3 i bet we can arange something to save some costs. i mean someone has to take the plunge and you where one of them!.

i should have known that haha. wel enjoy the free time !!

thats awesome to hear , it really does do me good, you enjoy them, it really does !! im doing fine, hope you guys are able to work during these hard times ? Kind regards Joppe

i really dont want to be a sales person but if anyone is still interested in an 8 bay charger ? contact me. i got some parts left for a few There are a few that took the plunge before you (not gone name people here) but it would really help keeping another hobby up and i believe so far people are rather happy about the charger and service (one on one contact) I hate to write this but anyhow. Kind regards Joppe and keep save!

well fair enough

well yeah ur right they can be hurt in sub zero c , when charging. most often though ur not charging in such an environment and if you would they warm up really quickly being overall far above 0 C after 2 minutes. so even if you would (witch i cant recommend) they will be charged. time to form metallic lithium on the anode is only a short time.. as i said i would not recommend it by far. but if you have to record in this situation, you can either chose to have a charger that does not charge at all. or does its best. at the cost of batteries. no one cares if it will reduce life, if the choice would be no transmitters at all or having transmitters and maybe you shortened the life span of the battery permanently. thats my 2 cents not ideal by far so i do see the use of the sensor. but im debating if it is a downside or a pro. it is something to take into account when you are in this situation often, charge a bit more for wear and tear on the batteries or demand a 10c room where you can charge (same goes for all other persons that use lithium cells)

thats great to hear ! what was the 12 bay brand if i may ask ? im still excited by seeing stuff i made myself in a picture taken on the other side of the globe thanks !!!

well thank you so they are essentialy the new NP1 sort of? cool. i never seen them not weird since im out for a while haha. ill look them up, my guess is they are multisell though. do you always need a charger for it ? or can you dangle them on the apropiate power supply ? this tells me if they got a battery management in them or the charger is suplying that Oh i see they sell chargers so that one is awnsered haha they are rather fancy batteries and chargers ! they look nice and are a bit more complicated then an NP50 but nice they have a new king in town by the looks of it. (VS the Np1)

Thanks M8 !! smart batteries, never heard of those any specifik brand ? since they look to be any battery that holds a BMS

Hi there ! I get allot of questions can you make a charge peli ? Well the answer is usually ... i dont know depending on the chargers, i bet i can but i am not looking forward to make a charge case with 5 different chargers in there that are not at all made to be used into a case.... like no mounting options, rounded off and they all have there own separate power brick. i dont blame the producers i make chargers that are standalone to. But i thought many times, it would be so nice if all chargers had a sort of old mixer frame. with a front panel that can drop into a rectangular hole to make a case that houses all chargers and be fed with one power supply lead. So i though what batteries do you use ? Please let me know the list of different batteries YOU use daily in a charge case (except special recorder batteries, like a Cantar uses for instance) just to make a top 5 or something. and maybe there is a solution to make it fit in a charge a case more cleanly ? who knows. (things like AA (lithium or just the regular), Np50 , Np1 etc etc) Kind regards Joppe

So i finally decided enough is enough. the charger is done. thanks to all the people for the input and the persons that wanted to take the plunge on the first 2 that made it possible to start. Dont mind the pictures... i once more dont have a complete version myself to make new pictures.... ill update them when i finish one. but enough of me rambling here the specs and such. NP50 Charger V3.0 (own circuits with converter) Features/specs Smallest form factor of all NP50 chargers on the market. (HxWxL) 4.92 x 11.4 x 6.4 cm. Charges 8 NP-50's Simultaneous. Over sized Converter that can supply up to 2.5 times the current required, to run cool and increase reliability. Matched Charging chips within 1% accuracy. (all pcb's are tested manualy). Swiss made gold plated spring loaded battery contacts. External power supply from a well known brand. Passive cooling. A reset/on off switch with protection so you cant bump it by accident. Ability to be fed by a DC power source between 10-48 volts DC (Cart battery or your Car, or a laptop brick) Weight ~500 grams. (excluding power supply) Dual LED : On each side of the slot, green or a red LED so you can see witch slot is charging more clearly. Battery disconnect detection: While the charge ready light is lit(green), the red light blinks when there is no battery in the slot or the battery is disconnected (a feature Constantine wanted and accidentally was already in the new charger) so if it is blinking next day with a battery present, the battery might be faulty or did not connect properly. Power supply specifications Power 25 Watt Input range: 85~264 Vac Certificating: CE Cooling : Passive Protection : Short circuit Overload. Over voltage Charger specification Charge rate each slot : ~400mA Charge end voltage accuracy: Within 1 % accuracy (all manually tested, and chips replaced if they did not meet this 1% criteria) Protection : Overheat Protection: Charger will cycle down charge current if module reaches above 65+- degrees Celsius. Reverse Polarity Protection Output over/under voltage Over current protection Short circuit protection Thermal shutdown protection Soft start I removed the text from the front, i did not like it and does not serve a purpose. Pictures are not all that great i somehow never have a complete one when i think about making some decent ones (also i am not a photographer) Greetings Joppe

Hi might be a weird question. but i dont want tot waste materials ! so this was one of my prototypes and i made 2 of them. differences is clamping force (compared to the new one) and logo. i tried to find a balance of clamping force and easy of getting a battery out, they wont let go out of the blue. but still. They are in perfectly working order. maybe someone is interested in these for a mark off ? i dont want to waste the materials. electronics are the same as the final product. this one is just even a tad smaller. just let me know, ill keep them around. Kind regards Joppe Peelen

Well thank you ! might not be skill but more persistence thing there are 4 in the bin, with spring contacts that did not worked out (cheap chinese ones...it showed) Well thank god its not alumnium since i would have troubles to haha

I made my first test jig. since i made these PCB's and the tolerances of the charge chips, ar a bit bigger then i want i want to test them all before i use them. its a jig that has spring loaded pins that connect to all the points on the board when fixed down in the jig. a nice method to connect everything in one simple test without soldering. nothing new this technique, but i never made one since this is my first PCB heres a video where i explain some stuff if you might be interested.

hahah no if this was my work, would not buiy tghem to begin with but a nice set of DPA's Thonnman was even so nice to NOT refund they said we talked to our studio devision and they said your voice should sound less great they are made for ambient..... well little do they know

T100 soldering iron. could even be fed from the cart ! i myself have a weller station. but i still want this one

Small update !! i got my circuits in !,and well they work ! but i do need to replace some components. i did not expect it to be perfect from software to actually having it in your hand. so i do need to make replace a few components by hand (led brightness between green and red for instance) i got the correct values now after seeing it so. Well im working on the housing of the travel version V3 Np50 charger. i did change up the design. since previous one i posted actually had more components. and almost no one wants a 4 bay Pic 1 light guides line up test Pic 2 light guides line up test with one slot charging. (triggered externally) see how it looks. Pic 3 1/4 the of the Iterations of the modules with the fingers holding the battery. looking for the balance not falling out but not to hard to get them out. (holding them does have main priority) i also extended the fingers and the slots so it holds them more straight easily. The module at the front right is actually my previous smallest charger module Pic 4 some light guides. Slowly but surely the housing will be done. then testing begins.. already did some tests. The charge circuit charges up to 4.20v (witch is 100%) But it has a an accuracy of 1.5%, so far it has not gone beyond 4.20 (thank god, some fake ones do), but some chips do charge up to 4.15 witch is less then the 1.5%. now how does that translate into capacity ? well for the same battery that hols 847mAh @ 4.20 it will hold 818mAh.(tested not a calculation) if this battery would last 240 minutes @100% it would go 231Minutes if charged with that slot. so 9 minutes less. i dont own a larger capacity Np50 (i have to buy one ) but i can imagine that difference becomes even less when you use a higher capacity Np50. By the way a battery charged up to 4.15 volt can be charged 1.4 times more often then one at 4.20 volt, above the 4.20 volt the amount of charges degrades quickly. ur on the list thx m8 !

Well i thought i just rewire some Roland Roland WPM-10 Wear Pro to be used one a ZOOM, or antyhing with plugin power.... well so far so good but watch and listen what then happens... |

Well thank you ! i ordered my boards a few weeks ago ! i think i got the basics nailed by now but who knows hahah i always want them in my hands to be realy sure. i might have missed the brightness of the LED's or the position .. since those are rather critical in my design. if i cant manage anymore failures i will definitely contact ! thanks in advance !! a 12 way would maybe be possible i rather not make to many of them to be honest, one reason is it is on the limit of the DC converter, as well as i dont think its a good idea to put all your eggs in one basket when on set. 2 times 8 or 1 8 and one 4 would be a better fail save. but ofcourse its your choice, if i can make them and you really really want, im sure i can cook something up. Kind regards Joppe

Hi Guys and Girls I mentioned my own circuits for a while now and i just ordered some pcb's for a 4/8 Bay Np50 charger, i designed myself, took me some time since although people are willing to help. usually it ends up doing it yourself everyone is busy So my question is this. Anyone would be interested in a 4 bay or an 8 bay Np50 charger ? My electronics are ordered due to 2 willing people to take the plunge, without me or them knowing when i can deliver it since it might take some iterations. im low on finance so this was the only way possible. (without a job next month) i would like to take stock of what might be possible by my lonesome. without a boss. Anyhow, many already did let me know on previous occasion but since this is something different and there is another new charger on the market , i would like to make a new list It is still in like testing/development stage but whos interested in a 4 bay or a 8 bay version. i wont hold you to it and dont want any down payment (i dont like to feel owing anyone money/goods already paid for, stresses me out ) Here are the specs, for those that want to know it uses a TP4056 charge chip with a charge current of around 400-450 mAh, casing will be home made out of poly carbonate light guides, HDPE slots that hold the batteries and HPL matt black sides. The slightly larger slot size (8mm compared to battery thickness of 7mm) remains, i cant change that thats why i turned to single slot holders to improve ergonomics since it is all so compact. ~1.5% accuracy on charge voltage. Swish made gold plated contacts Smallest form factor available. Over voltage protection, reversed voltage protection. Short out protection. Ability to feed the charger with 10-30 volts (~12 volt 90%+ efficiency) so a cart battery should work and even a laptop brick could save your day. Dual indicator lights for each charge slot, so color blind could indicate if one is charged or charging without seeing the color. 12v DC brick Power supply from Meanwell, with enough power for at least a 8 bay. Dimensions 4 bay WxDxH 5.8 cm x 6.4~ cm x 4 cm (pictures are 10-1 ratio) Dimensions 8 bay WxDxH 5.8 cm x 10.4~ cm x 4 cm (pictures are 10-1 ratio) If your interested please let me know. and if you would wish some special cables to be able to connect it to you cart or power distribution please let me know. Last picture to let you know i dont only do sketchups and a video about the new DC-DC converter i use. tested on a 1/3 bigger load then i planned on using it on. (a 12 bay instead off a bay. but for those that have V2 i can do a retrofit if you like. Greetings Joppe Peelen there we go a little cleaner forum sorry !

Thanks for some info on the current drain of the SSM,i was looking for that , and it is not stated in teh manual but draining the np50 to 2.8.. is rather low. might not be a problem if without load it shoots up to 3v but 2.8 is not normal. in all my tests i always drained down to 3v. about savings. its far more interesting not to charge the battery up to 4.2 with would be the max saturation charge. while charging up to 1.18 or so would hurt duration of use by minutes (like 10-15 or so) but will increase lifespan allot. by almost 100 chargers. i need to buy one of the lectros just for testing to bad they are so expensive